A slot machine (American), fruit machine (British), or poker machine (Australian) is a type of casino game. The Trump Taj Mahal Casino Resort is located at 1000 Boardwalk Avenue in Atlantic City, New Jersey, in the bustling Casino area along the shore Phonology North American English regional phonology In many ways compared to English English, North American English is conservative in its Phonology. British English or UK English ( BrE, BE, en-GB) is the broad term used to distinguish the forms of the English language used in the Australian English ( AuE, AusE, en-AU) is the form of the English language used in Australia. Games available in most Casinos are commonly called casino games. Traditional slot machines are coin-operated machines with three or more reels, which spin when a lever on the side of the machine is pulled. A machine is any device that uses Energy to perform some activity A reel is an object around which lengths of another material (usually long and flexible are wound for storage The machines include a currency detector that validates the coin or money inserted to play. A currency detector is a device that determines if a piece of currency is or is not counterfeit main - title Coin keywords numismatics coin review (The slot machine is also known informally as a one-armed bandit because of its traditional appearance and its ability to leave the gamer penniless. ) The machine pays off based on patterns of symbols visible on the front of the machine when it stops. Modern computer technology has resulted in many variations on the slot machine concept. Slot machines are the most popular gambling method in casinos and constitute about 70 percent of the average casino's income. A casino is in the modern sense of the word a facility that houses and accommodates certain types of Gambling activities [1]
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History
Sittman and Pitt of Brooklyn, New York, U.S.A. developed a gambling machine in 1891 which was a precursor to the modern slot machine. Brooklyn (named after the Dutch town Breukelen) is one of the five boroughs of New York City. The United States of America —commonly referred to as the It contained five drums holding a total of 50 card faces and was based on poker. Poker is a type of Card game in which players bet on the value of the card combination (" hand " in their possession by placing a bet into This machine proved extremely popular and soon many bars in the city had one or more of the machines bar-side. A bar (also called a Pub or Tavern) is a business that serves drinks especially Alcoholic beverages such as beer liquor and mixed drinks for consumption Players would insert a nickel and pull a lever, which would spin the drums and the cards they held, the player hoping for a good poker hand. The United States five- cent Coin, commonly called a nickel, is a unit of Currency equaling one-twentieth or five hundredths of a There was no direct payout mechanism, so a pair of kings might get the player a free beer, whereas a royal flush could pay out cigars or drinks, the prizes wholly dependent on what was on offer at the local establishment. To make the odds better for the house, two cards were typically removed from the deck: the ten of spades and the jack of hearts, which cut the odds of winning a royal flush by half. A playing card is a piece of specially prepared heavy paper thin card or thin plastic figured with distinguishing motifs and used as one of a set for playing Card games Analogues in other suits German suits: leaves (Laub Blatt Gras Grün Swiss German suits Shields (Schilten A jack or knave is a Playing card with a picture of a young man on it The drums could also be re-arranged to further reduce a player's chance of winning.
The first one-armed bandit was invented in 1887 by Charles Fey of San Francisco, California, U. Charles Fey (born August Fey in Vöhringen Bavaria) ( February 2, 1862 or February 2, 1861 &ndash November 10 The City and County of San Francisco is the fourth most populous city S. A, who devised a much simpler automatic mechanism. [2] Due to the vast number of possible wins with the original poker card based game, it proved practically impossible to come up with a way to make a machine capable of making an automatic pay-out for all possible winning combinations. Charles Fey devised a machine with three spinning reels containing a total of five symbols – horseshoes, diamonds, spades, hearts and a Liberty Bell, which also gave the machine its name. The Liberty Bell, in Philadelphia, Pennsylvania, is a bell that has served as one of the most prominent symbols of the American Revolutionary By replacing ten cards with five symbols and using three reels instead of five drums, the complexity of reading a win was considerably reduced, allowing Fey to devise an effective automatic payout mechanism. Three bells in a row produced the biggest payoff, ten nickels. Liberty Bell was a huge success and spawned a thriving mechanical gaming device industry. Even when the use of these gambling devices was banned in his home state after a few years, Fey still couldn't keep up with demand for the game elsewhere.
Another early machine gave out winnings in the form of fruit flavoured chewing gums with pictures of the flavours as symbols on the reels. For songs called "Chewing Gum" see Chewing Gum (song Chewing gum is a type of Confectionery traditionally made of Chicle The popular cherry and melon symbols derive from this machine. The BAR symbol now common in slot machines was derived from an early logo of the Bell-Fruit Gum Company. In 1964, Bally developed the first fully electromechanical slot machine called Money Honey. This article is about the Bally company a manufacturer of slot machines and pinball machines The new electromechanical approach allowed Money Honey to be the first slot machine with a bottomless hopper and automatic payout, of up to 500 coins, without the help of an attendant. [3]
The first video slot machine to offer a second-screen bonus round was Reel 'Em In developed by WMS Industries Inc. in 1996. WMS Industries Inc ( is a long-standing American electronic gaming and amusement company based in Waukegan Illinois.
Description
A person playing a slot machine purchases the right to play by inserting coins, cash, or in newer Ticket-In, Ticket-Out machines, a bar-coded paper ticket, into a designated slot on the machine. Ticket-In Ticket-Out (TITO is a technology used in more modern Slot machines Originally developed by International Game Technology (IGT and Casino Data Systems The machine is then activated by means of a lever or button, or on newer machines, by pressing a touchscreen on its face. The game itself may or may not involve skill on the player's part — or it may create the illusion of involving skill while only being a game of chance. A skill is the learned capacity or talent to carry out pre-determined results often with the minimum outlay of time energy or both. An illusion is a distortion of the senses revealing how the Brain normally organizes and interprets sensory stimulation
The object of the game is to win money from the machine. The game usually involves matching symbols, either on mechanical reels that spin and stop to reveal one or several symbols, or on a video screen. The symbols are usually brightly colored and easily recognizable, such as images of fruits, and simple shapes such as bells, diamonds, or hearts.
Most games have a variety of winning combinations of symbols, often posted on the face of the machine. If a player matches a combination according to the rules of the game, the slot machine pays the player cash or some other sort of value, such as extra games.
There are many different kinds of gambling slot machines in places such as Las Vegas. Las Vegas ( Spanish: "The Meadows" is the most populous City in the state of Nevada, the seat of Clark County, and an internationally Some of the most popular are the video poker machines, in which players hope to obtain a set of symbols corresponding to a winning poker hand. Video poker is a Casino game based on Five-card draw Poker. It is played on a computerized console similar in size to a Slot machine. Poker is a type of Card game in which players bet on the value of the card combination (" hand " in their possession by placing a bet into Depending on the machine, players can play one, 100, or more hands at one time.
Becoming more popular now are the multi-line slots. These slots have more than one payline. Reel slots commonly have three or five paylines, while video slots have 9, 15, 25, or even 100 different paylines. Video slots are themed slots, with graphics and music based on popular entertainers or TV programs (The Addams Family, I Dream of Jeannie, etc. The Addams Family is an American Television series based on the characters in Charles Addams ' ''New Yorker'' cartoons. I Dream of Jeannie is a 1960s American sitcom with a Fantasy premise ) with a bonus round. Most accept variable amounts of credit to play with 1 to 5 credits per line being typical. The higher the amount bet, the higher the payout will be. There are also standard 3 - 5 reel slot machines, of various types. These are the typical "one-armed bandits".
One of the main differences between video slots and reel slots is in the way payouts are calculated. With reel slots, the only way to win the maximum jackpot is to play the maximum number of coins (usually 3, sometimes 4, or even 5 coins per spin). With video slots, the fixed payout values are multiplied by the number of coins per line that is being bet. In other words: on a reel slot, it is to the player's advantage to play with the maximum number of coins available. On video slots, it is recommended to play as many individual lines as possible, but there is no benefit to the player in betting more than one credit per line with regards to calculating the payout amounts. There are some isolated cases where a video slot machine requires the maximum number of credits per spin to be inserted to win the largest payout, but those are the exception.
As an example, on the "Wheel of Fortune" reel slot, the player must play 3 coins per spin to be eligible to trigger the bonus round and possibly win the jackpot. On the Wheel of Fortune video slot, the chances of triggering the bonus round or winning the maximum jackpot are exactly the same regardless of the number of coins bet on each line.
Larger casinos offer slot machines with denominations from $. 01 (penny slots) all the way up to $100. 00 or more per credit. Large denomination slot machines are usually cordoned off from the rest of the casino into a "High Limit" area, often with a separate team of hosts to cater to the needs of the high-rollers who play there.
Slot machines common in casinos at this time are more complicated. Most allow players to accept their winnings as credits, which may be "spent" on additional spins.
In the last few years, new slot machines commonly known as "multi-denomination" have been introduced. In a multi-denomination slot machine, the player can choose the value of each credit wagered from a list of options. Based upon the player's selection, the slot machine automatically calculates the number of credits the player receives in exchange for the cash inserted and displays the amount of available credits to the player. For example, a player could choose to wager one dollar per game on a nickel slot machine. This eliminates the need for a player to find a specific denomination of a particular slot machine; they can concentrate on simply finding the machine and setting the denomination once they decide to play.
Recently, some casinos have chosen to take advantage of a concept commonly known as "tokenization," where one token buys more than one credit. A casino can configure slot machines of numerous different denominations to accept the same type of token. For example, all penny, nickel, quarter, and dollar slot machines could be configured to accept dollar tokens. This significantly reduces a casino's inventory costs and coin handling costs. A tokenized slot machine automatically calculates the number of credits the player receives in exchange for the token inserted and displays the amount of available credits to the player. When a player chooses to collect his credits (by pressing a "Cash Out" button), the slot machine will automatically divide the number of credits on the credit meter by the value of one token and return the result to the patron. Any remainder is known as "residual credits" and cannot be collected. Residual credits must be either played or abandoned.
Terminology
Bonus is a special feature of the particular game theme, which is activated when certain symbols appear in a winning combination. In the bonus, the player is presented with several items on a screen from which to choose. As the player chooses items, a number of credits is revealed and awarded. Some bonuses use a mechanical device, such as a spinning wheel, that works in conjunction with the bonus to display the amount won.
Candle is a light on top of the slot machine. It flashes to alert the operator that change is needed, hand pay is requested or a potential problem with the machine.
Carousel refers to a grouping of slot machines, usually in a circle or oval formation.
Coin hopper is a container where the coins that are immediately available for payouts are held. The hopper is a mechanical device that rotates coins into the coin tray when a player collects credits/coins (by pressing a "Cash Out" button). When a certain preset coin capacity is reached, a coin diverter automatically redirects, or "drops", excess coin into a "drop bucket" or "drop box".
Credit meter is a visual LED display of the amount of money or credits on the machine.
Drop bucket or drop box is a container located in a slot machine's base where excess coins are diverted from the hopper. Typically, a drop bucket is used for low denomination slot machines and a drop box is used for high denomination slot machines. A drop box contains a hinged lid with one or more locks whereas a drop bucket does not contain a lid. The contents of drop buckets and drop boxes are collected and counted by the casino on a scheduled basis. Hard count is one process for counting Coins in a Casino or Bank.
EGM is used as a short-hand for "Electronic Gaming Machine".
Hand pay refers to a payout made by a slot attendant or cage, rather than the slot machine. A hand pay occurs when the amount of the payout exceeds the maximum amount that was preset by the slot machine's operator. Usually, the maximum amount is set at the level where the operator must begin to deduct taxes. A hand pay could also be necessary as a result of a short pay.
Hopper fill slip is a document used to record the replenishments of the coin in the coin hopper after it becomes depleted as a result of making payouts to players. The slip indicates the amount of coin placed into the hoppers, as well as the signatures of the employees involved in the transaction, the slot machine number and the location and the date.
Low Level or Slant Top slot machines include a stool so you can sit and play. Stand Up or Upright slot machines are played while standing.
Optimal play is a payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game.
Payline is a straight or zig-zagged line that crosses through one symbol on each reel, along which a winning combination is evaluated. Classic spinning reel machines usually have up to nine paylines, while video slot machines may have as many as one hundred.
Rollup is the process of dramatizing a win by playing sounds while the meters count up to the amount that has been won.
Short pay refers to a partial payout made by a slot machine, which is less than the amount due to the player. This occurs if the coin hopper has been depleted as a result of making earlier payouts to players. The remaining amount due to the player is either paid as a hand pay or an attendant will come and re-fill the machine.
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Tilt In the old mechanical days, slot machines had tilt switches. While modern machines no longer have tilt switches, any kind of mechanical failure (door switch in the wrong state, reel motor failure, etc) is still called a "tilt".
Theoretical Hold Worksheet is a document provided by the manufacturer for all slot machines, which indicates the theoretical percentage that the slot machine should hold based on adequate levels of coin-in. The worksheet also indicates the reel strip settings, number of coins that may be played, the payout schedule, the number of reels and other information descriptive of the particular type of slot machine.
Weight count is an American term, referring to the dollar amount of coins or tokens removed from a slot machine's drop bucket or drop box and counted by the casino's hard count team through the use of a weigh scale. Hard count is one process for counting Coins in a Casino or Bank.
For a complete listing of slot machine terminology please refer to http://www.slotmachinecash.com/glossary.shtml
Pay table
Each machine has a table that lists the number of credits the player will receive if the symbols listed on the pay table line up on the pay line of the machine. A pay table is the name for the list of payouts on a Slot machine or a Video poker machine Some symbols are wild and will pay if they are visible in any position, even if they are not on the pay line. Especially on older machines, the pay table is listed on the face of the machine, usually above and below the area containing the wheels. Most video machines display the pay table when the player presses a "pay table" button or touches "pay table" on the screen; some have the pay table listed on the cabinet as well.
Technology
Random number generator
It is a common belief that the odds on a machine have something to do with the number of each kind of symbol on each reel, but in modern slot machines this is no longer the case. Modern slot machines are computerized, so that the odds are whatever they are programmed to be. In modern slot machines, the reels and lever are present for historical and entertainment reasons only. The positions the reels will come to rest on are chosen by a Random Number Generator (RNG) contained in the machine's software. A random number generator (often abbreviated as RNG is a computational or physical device designed to generate a sequence of Numbers or symbols that lack any
The RNG is constantly generating random numbers, at a rate of hundreds or maybe thousands per second. As soon as the lever is pulled or the "Play" button is pressed, the most recent random number is used to determine the result. This means that the result varies depending on exactly when the game is played. A fraction of a second earlier or later, and the result would be different.
Some professional gamblers observe that the RNG does not actually generate random numbers. Indeed, most RNGs (so-called pseudorandom number generators or PRNGs) will eventually repeat their number sequence. A pseudorandom number generator ( PRNG) is an Algorithm for generating a sequence of numbers that approximates the properties of random numbers This behavior is due to poor programming, as it is relatively easy to build PRNGs with periods so long no computer could complete a single period in the expected lifetime of the universe. Having access to the PRNG code and seed values Ronald Dale Harris, a former slot machine programmer, discovered equations for specific gambling games like Keno that allowed them to predict what the next set of selected numbers would be based on the previous games played. Ronald Dale Harris is a Computer programmer who worked for the Nevada Gaming Control Board in the early 1990s and was responsible for finding flaws and This article describes the lottery game For the radio station see KENO.
Payout percentage
Slot machines are typically programmed to pay out as winnings 82–98% of the money that is wagered by players. This is known as the "theoretical payout percentage". The minimum theoretical payout percentage varies among jurisdictions and is typically established by law or regulation. For example, the minimum payout in Nevada is 75%, and in New Jersey, 78%. Nevada ( is a state located in the western region of the United States of America. New Jersey ( is a state in the Mid-Atlantic and Northeastern regions of the United States. The winning patterns on slot machines—the amounts they pay and the frequencies of those pay-outs—are carefully selected to yield a certain fraction of the money played to the "house" (the operator of the slot machine), while returning the rest to the players during play. Suppose that a certain slot machine costs $1 per spin. It can be calculated that over a sufficiently long period, such as 1,000,000 spins, that the machine will return an average of $950,000 to its players, who have inserted $1,000,000 during that time. In this (simplified) example, the slot machine is said to pay out 95%. The operator keeps the remaining $50,000. Within some EGM-development organizations this concept is referred to simply as "par". "Par" also manifests itself to gamblers as promotional techniques: "Our 'Loose Slots' have a 93% pay-back! Play now!" It is worth noting that the "Loose Slots" actually may describe a very few anonymous machines in a particular bank of EGMS.
A slot machine's theoretical payout percentage is set at the factory when the software is written. Changing the payout percentage after a slot machine has been placed on the gaming floor requires a physical swap of the software or firmware, which is usually stored on an EPROM but may be loaded onto non-volatile random access memory (NVRAM) or even stored on CD-ROM or DVD, depending on the capabilities of the machine and the applicable regulations. In Computing, firmware is a computer program that is Embedded in a hardware device for example a Microcontroller. An EPROM, or E rasable P rogrammable '''''R'''ead-'''O'''nly '''M'''emory'', is a type of memory chip that retains its Non-volatile Random access memory ( NVRAM) is the general name used to describe any type of random access memory which does not lose its information CD-ROM (an initialism of "Compact Disc Read-Only Memory " is a pre-pressed Compact Disc that contains data accessible to but not writable DVD (also known as " Digital Versatile Disc " or " Digital Video Disc " - see Etymology)is Based on current technology, this is a time-consuming process and as such is done infrequently. In certain jurisdictions, such as New Jersey, the EPROM has a tamper-evident seal and can only be changed in the presence of Gaming Control Board officials. Tamper-evident describes a device or process that makes unauthorised access to the protected object easily detected Gaming Control Board or " GCB " is a governmental body or agency charged with regulating Casino and other types of gaming in a defined geographical Other jurisdictions, including Nevada, randomly audit slot machines to ensure that they contain only approved software. The most general definition of an audit is an evaluation of a person organization system process project or product
In many markets where central monitoring and control systems are used to link machines for auditing and security purposes, usually in wide area networks of multiple venues and thousands of machines, player return must usually be changed from a central computer rather than at each machine. A range of percentages is set in the game software and selected remotely.
In 2006, the Nevada Gaming Commission began working with Las Vegas casinos on technology that would allow the casino's slot manager to change the game, the odds, and the payouts remotely. The change cannot be done instantaneously, but only after the selected machine has been idle for at least four minutes. After the change is made, the machine must be locked to new players for four minutes and display an on-screen message informing potential players that a change is being made. [4]
Linked machines
Often machines are linked together in a way that allows a group of machines to offer a particularly large prize, or "jackpot". Each slot machine in the group contributes a small amount to this progressive jackpot, awarded to a player who gets, for example, a royal flush on a video poker machine or a specific combination of symbols on a regular or nine-line slot machine. A progressive jackpot is a Jackpot (highest payoff for a gaming machine (usually a Slot machine or Video poker machine where the value of the jackpot The amount paid for the progressive jackpot is usually far higher than any single slot machine could pay on its own.
In some cases multiple machines are linked across multiple casinos. In these cases, the machines may be owned by the manufacturer, who is responsible for paying the jackpot. The casinos lease the machines rather than owning them outright. See also Leasing, Renting A lease is a Legal document, but can be an oral arrangement which confers a right on one person (called Megabucks may be the best known example of this type of machine. Megabucks Nevada starts at $10,000,000 after a jackpot. (Prior to September 2005, Megabucks Nevada reset to $7,000,000. ) The new penny Megabucks video game also has a jackpot that starts at $10,000,000. A penny (pl pence or pennies) is a Coin or a unit of Currency used in several English -speaking countries
Near-miss programming
Because the reel display of modern slot machines is controlled by computer software, it is possible to make the slot machine frequently display combinations that are close to winning combinations. For instance, if the jackpot combination is "7-7-7", a slot machine could be programmed to frequently display "7-7-(non-7)". Triple Seven is also a common name used for the Boeing 777 airliner and the M777 howitzer. This can fool the player into thinking they "almost won", teasing them into playing more often. A jester, joker, jokester, fool, wit-cracker, prankster, or buffoon is a member of a profession that came into popularity Teasing is a word with many meanings In human interactions teasing comes in two major forms playful and hurtful.
This practice of showing combinations that are similar to winning combinations more frequently than would occur randomly is called "near-miss" programming. It has been ruled illegal in the U. S. states of Nevada and New Jersey. The Nevada Gaming Commission did review some machines with this type of programming and refused to authorize them.
There is a related phenomenon that is also sometimes called "near-miss". The chance of a winning combination appearing on a payline is controlled by the winning percentages programmed into the slot machine. However, the combinations appearing above and below the payline are all roughly equally randomly distributed. This means it is much more likely that a "winning combination" will appear above or below a payline than on the payline. Using the same example above, it is much more likely that a "winning combination" of "7-7-7" would appear on a line above or below the payline than the chance that it would appear on the payline. This phenomenon only occurs where abbreviated physical reels are used to display a win pattern based upon the RNG. In video slot machines, virtual reels are used and the symbols that appear around the winning line are usually an accurate depiction of how the reels were mathematically modeled.
The issue of a near-miss above or below the payline was also investigated by the Nevada Gaming Commission. They ruled that this was legal, so long as the "near-miss" above or below the payline was not specially programmed. In other words, the "near-miss" must be just as likely to occur as any other combination. The machine cannot be specially programmed to show "winning combinations" more frequently than other combinations above or below the payline. [5]
The calculation is more complicated than implied here. The stops are not 'programmed' in the sense that their outcome is the result of a calculation. In fact, the reel strips (like a mechanical poker machine) are designed so that the machine will pay according to the relevant RTP.
Near-miss programming, where a near miss is inaccurately displayed (i. e. the player is shown something that is not an accurate representation of the reelstrips) is not allowed in Australia either. Due to this, regulators use stop motion cameras to audit manufacturer's practices.
Fraud
Mechanical slot machines and their coin acceptors were sometimes susceptible to cheating devices and other scams. One historical example involved spinning a coin with a short length of plastic wire. The weight and size of the coin would be accepted by the machine and credits would be granted. However, the spin created by the plastic wire would cause the coin to exit through the reject chute into the payout tray. This particular scam has become obsolete due to improvements in newer slot machines.
Modern slot machines are controlled by EPROM computer chips and, in large casinos, coin acceptors have become obsolete in favor of bill acceptors. These machines and their bill acceptors are designed with advanced anti-cheating and anti-counterfeiting measures and are difficult to defraud. Early computerized slot machines were sometimes defrauded through the use of cheating devices, such as the "slider" or "monkey paw" used by notorious slot cheat Tommy Glenn Carmichael. Tommy Glenn Carmichael ( July 5, 1950) is considered one of the greatest Slot cheats After being introduced to the "top-bottom joint" by his friend However, more recent attempts at defrauding slot machines involve manipulating the EPROM, such as by directing microwaves toward it to disrupt its proper functioning. Casino insiders such as Ronald Dale Harris have also been discovered manipulating the software in slot machines in order to defraud casino operators. Ronald Dale Harris is a Computer programmer who worked for the Nevada Gaming Control Board in the early 1990s and was responsible for finding flaws and
Regional variations
United States
In the United States, the public and private availability of slot machines is highly regulated by state governments. Many states have established gaming control boards to regulate the possession and use of slot machines. Gaming Control Board or " GCB " is a governmental body or agency charged with regulating Casino and other types of gaming in a defined geographical Nevada is the only state that has no significant restrictions against slot machines both for public and private use. Nevada ( is a state located in the western region of the United States of America. In New Jersey, slot machines are only allowed in hotel-casinos operated in Atlantic City. New Jersey ( is a state in the Mid-Atlantic and Northeastern regions of the United States. Several states (Illinois, Indiana, Iowa, and Missouri) allow slot machines (as well as any casino-style gambling) only on licensed riverboats or permanently-anchored barges. The State of Illinois ( roughly ill-i-NOY is a state of the United States of America, the 21st to be admitted to the Union. The State of Indiana ( was the 19th US state admitted into the union The State of Iowa ( is a state in the Midwestern region of the United States of America. Missouri ( or) is a state in the Midwestern region of the United States bordered by Iowa, Illinois, Kentucky, Tennessee A riverboat is Ship designed for Inland navigation. These vessels are usually less sturdy than ships built for the open seas with limited navigational and BARGE, the Big August RecGambling Excursion is a yearly convention held in Las Vegas during the first weekend of August Since Hurricane Katrina, Mississippi has removed the requirement that casinos on the Gulf Coast operate on barges and now allows them on land along the shoreline. Mississippi ( is a state located in the Deep South of the United States Delaware allows slot machines at three horse tracks; they are regulated by the state lottery commission. Delaware ( is a state located on the Atlantic Coast in the Mid-Atlantic region of the United States. For a list of state-by-state regulations on private slot-machine ownership, see U.S. state slot machine ownership regulations. Here is a list of potential restrictions and regulations on private ownership of Slot machines in the United States on a state by state basis
Native American casinos
Native American casinos located in reservations are not permitted to have slot machines unless the tribe first reaches a pact with the state in which it is located (per Indian Gaming Regulatory Act). Native Americans in the United States are the indigenous peoples from the regions of North America now encompassed by the continental United States An Indian reservation is an area of land managed by a Native American Tribe under the United States Department of the Interior's Bureau The Indian Gaming Regulatory Act ( et seq) is a 1988 United States federal law which establishes the Jurisdictional framework that presently governs Typically, a pact entitles the state to receive a fraction of the gross revenue from slot machines.
Slot machine classes
The following statements are generalities, not actual laws for every jurisdiction. There is no federal law governing slot machines, so these classifications may vary from state to state.
Some states have restrictions on the type (called "class") of slot machines that can be used in a casino or other gaming area. "Class III" (or "traditional") slot machines operate independently from a centralized computer system and a player's chance of winning any payout is the same with every play. In telecommunications a centralized system is one in which most communications are routed through one or more major central hubs Class III slots are most often seen in Nevada or Atlantic City and are sometimes referred to as "Vegas-style slots".
"Class II" slot machines (also known as "video lottery terminals" or "VLTs") are connected to a centralized computer system that determines the outcome of each wager. A Video Lottery Terminal or VLT is a gaming machine that allows gamblers to bet on the outcome of a Video game. In this way, Class II slot machines mimic scratch-off lottery tickets in that each machine has an equal chance of winning a series of limited prizes. Either class of slot machines may or may not have a player skill element.
In general a game must have all characteristics of a Class II game to be a Class II game. Any characteristic of a Class III game makes it a Class III game. The casino pays a fee to the state for each Class III game and can only purchase so many Class III licenses. There is no such restriction for Class II games. Class II games are not so tightly regulated by the state.
Class II game characteristics
- The player is playing against other players and competing for a common prize.
- There is necessarily a winner in each game. The game continues until there is a winner.
- In a given set there are a certain number of wins and losses. Once a certain combination has occurred it cannot occur again until a new batch is initiated. This is most obvious in scratch-card games using cards that come in packs. Once a card has been pulled from a pack, the combinations on that card cannot occur again until a new pack of cards is installed. One game is dependent on previous games.
- The player must be an active participant. They must recognize events as they occur and must recognize when they have won and announce their winning. Bingo is an excellent example here.
- All players play from the same set of numbers as the numbers are announced.
Class III game characteristics
- The player is playing against the house.
- Each game is independent of previous games. Any possible outcome can occur in any game.
- Wins are announced automatically.
Slot clubs
Many American casinos offer free memberships in "slot clubs", which return a small fraction of the amount of money that is bet in the form of "comps" (complimentary food, drinks, hotel rooms, or merchandise), or sometimes as cash or a promise to pay cash at a later date. These clubs require that players use cards that are inserted into the slot machines, to allow the casinos to track the players' "action" (how much each player bets and for how long), which is often used to establish levels of play that may make players eligible for additional comps. Comps or "cash back" from these clubs can make significant differences in the maximum theoretical returns when playing over long periods.
Australia
Slot machines in Australia are generally referred to as "video poker", "poker machines" or "pokies", but are officially termed Gaming Machines. For a topic outline on this subject see List of basic Australia topics. Australian-style gaming machines frequently use video displays to simulate physical reels, usually five. These machines have additional bonusing and second-screen features such as free games and bonus levels. They also allow for multiple lines (up to 50) or multiple ways (up to 243) to be played.
The laws regulating the use of gaming machines in Australia are a matter for State governments, and as such they vary between States.
Gaming machines in are found in casinos (approximately one in each major city) as well as pubs and clubs in some states (usually sports, social, or RSL clubs). The Returned and Services League of Australia (often abbreviated to RSL) is a support organisation for men and women who have served or are serving in the Australian The first Australian state to legalize this style of gambling was New South Wales in 1956 when they were made legal in all registered clubs in the state. There are suggestions that the proliferation of poker machines has led to increased levels of "problem gambling"; however, the precise nature of this link is still open to research. [6]
In 1999 the Australian Productivity Commission reported that Australia had nearly 180,000 poker machines, more than half of which were in New South Wales. This figure represented 21% of all the gambling machines in the world, and on a per capita basis, Australia had roughly five times as many gaming machines as the United States. Revenue from gaming machines in pubs and clubs accounts for more than half of the $4 billion in gambling revenue collected by state governments in 2002-2003 [7]
In Queensland, gaming machines in pubs and clubs must provide a return rate of 85% while machines located in casinos must provide a return rate of 90% [1]. Queensland is a state of Australia, occupying the north-eastern corner of the mainland continent Most other states have similar provisions.
Western Australia only permits the use of particular forms of gaming machine in Burswood casino, and no gaming machines may be used elsewhere. Western Australia is a state occupying the entire western third of the Australian continent. The Burswood Entertainment Complex is located on the Swan River some five minutes from the city of Perth Western Australia, and is owned by Crown Limited This policy (the most restrictive in Australia) had a long historical basis, and was reaffirmed by the 1974 Royal Commission into Gambling:
| “ | . . . poker machine playing is a mindless, repetitive and insidious form of gambling which has many undesirable features. It requires no thought, no skill or social contact. The odds are never about winning. Watching people playing the machines over long periods of time, the impressionistic evidence at least is that they are addictive to many people. Historically poker machines have been banned from Western Australia and we consider that, in the public interest, they should stay banned. | ” |
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—Report of the Royal Commission into Gambling 1974, p. 72 |
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United Kingdom
Slot machines are usually known as fruit machines, one-armed bandits and AWP (Amusement with Prizes) in Britain. The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom, the UK or Britain,is a Sovereign state located Fruit machines are commonly found in pubs, clubs, arcades, and some take-away food shops. A video arcade (also known as an amusement arcade in the United Kingdom in Japan or as an "arcade" is a venue where people play arcade video games These machines commonly have 3, but can be found with 4 or 6 reels with around 16 or 24 fruit symbols printed around them. These reels are spun, and if certain combinations of fruit appear, winnings are paid from the machine, or subgames are played. These are very similar to slot machines seen in casinos and elsewhere around the world, but the term "fruit machine" is usually applied to a type of machine more commonly found in pubs and arcades. These games have lots of extra features, trails and subgames with opportunities to win money, usually more than can be won from just the reels. However, the jackpots from these fruit machines are strictly limited. An old-fashioned word for these machines can be 'Didlers'.
Fruit machines in the UK also almost universally have the following features, generally activated or not on a random basis:
- A player may be given the opportunity to hold one or more reels before spinning, meaning that a held reel will not be spun, but instead retain its result from the previous spin. This can sometimes increase the chance of winning.
- A player may also be given a finite number nudges following a spin (or, in some machines, as a result in a subgame); a nudge is a single-step rotation of a reel of the player's choice.
Currently in the UK, the cost of an individual game (i. e. a single spin of all of the reels, together with the playing of any subgame that may be triggered by the result of it) may not exceed 50p. The maximum payout for an individual game depends on the type and the location of the machine, but is typically £35 in pubs where people under the age of 18 are not allowed entry. It is known for machines to pay out multiple jackpots, one after the other (this is known as a streak) but each jackpot requires a new game to be played so as not to violate the maximum payout. The minimum payout percentage is 70% in Britain, with pubs often setting the payout at around 78%. Private members' clubs are allowed "club machines", which have higher jackpots and are allowed to charge more per game.
These machines also operate in a different fashion to American slot machines. The latter are programmed to pay a percentage over the long-run. There is no reason why a jackpot cannot be paid straight after one has already been won, or that it must be paid because it has not been paid in a while. The probability of getting the jackpot in each game is independent of any other game, and these probabilities are all equal.
In the UK, though, the [8] states that "The target percentage payout (which must not be less than the minimum agreed or defined for the machine type) shall be achieved within any 10000 games for S. 34 (AWP) machines or 100000 games for S. 31 (casino machines). " This means that, in the case of AWP, if the return for the last 10K games approaches the legal minimum, the machine is likely to increase the jackpot percentage to avoid ever falling below it.
This type of fruit machine is popular across Europe (in the countries where they are legal), and very popular in countries such as the Czech Republic, Russia, and Ukraine. The Czech Republic ( ˈt͡ʃɛskaː ˈrɛpuˌblɪka short form in Česko ˈt͡ʃɛskɔ also called Czechia, Russia (Россия Rossiya) or the Russian Federation ( Rossiyskaya Federatsiya) is a transcontinental Country extending Ukraine (Україна Ukrayina, /ukrɑˈjinɑ/ is a country in Eastern Europe.
It has been alleged by the Fairplay campaign that UK fruit machines employ fraudulent techniques in which gambles and chances which appear to be random are in fact pre-determined and cannot be affected by player choices. [9]
. . . at this point, you'll have gambled the win up to £25. However, the machine doesn't want you to gamble any further. If from the 5 you select "High", the machine will spin in a 3 and you'll lose. If, on the other hand, you select "Low", the machine will spin in a 9 and you'll lose. . .
The claims centre around the emulation of fruit machine hardware on Windows-based computers, which can allow for a fruit machine's RAM state to be saved at a particular point and replayed making a different choice. Although there was only two practical example demonstrating this which the end user could replicate, there was a lot of debate between fairplay campaigners and the fruit machine emulation authors about the reliability of these claims. The authors suggested that the emulators did not have 100% complete core emulation and does not lead or prove the assumption that fruit machines "cheat"; The fairplay campaign, led by Stuart Campbell rubbished these claims publicly on various internet forums. After some TV and radio coverage on behalf of the fairplay campaign on this issue, the fruit machine industry has hit back at the allegations through BACTA, releasing a statement on the issue.
BACTA at the time, issued guidance to provide voluntary notices are to be put in place on a sticker for older machines or integrated on the "top glass" artwork, most fruit machine manufacturers have done this for circa 2005 machines. This is in fact the law now in the UK, and all machines carry a notice informing the user that the machine may at times offer the player a choice in which they have no possible chance to win. You can often find messages on the artwork on machines also stating not to reproduce the software, artwork, etc in any way, shape or form without permission. The newest UK machines are called 'section 16's' - these are 20 lines, across 5 reels of 3 symbols high, playable from 1 or 5 lines minimum (10p-50p spin) up to £2 which is 10p for all 20 lines. Like the RNG comments state, the RN sequence repeats itself, as anybody who plays on autoplay will note. Some machines let you play £4-10 for all 20 lines, on the pretext of upping the percentage from 92-94 or 96,
Japan
Japanese slot machines, known as pachisuro, are a descendant of the traditional Japanese pachinko game. For a topic outline on this subject see List of basic Japan topics. is a Japanese gaming device used for amusement and prizes Although pachinko machines were originally strictly mechanical modern pachinko machines are a cross between a Slot machines are a fairly new phenomenon and they can be found in mostly in pachinko parlors and the adult sections of amusement arcades, known as game centers. A video arcade (also known as an amusement arcade in the United Kingdom in Japan or as an "arcade" is a venue where people play arcade video games
The machines are regulated with IC chips, and have six different levels changing the odds of a "777". The levels provide a rough outcome of between 90% to an astonishing 160% (200% if using skills). Indeed, the Japanese slot machines are "beatable". The parlor operators, naturally set most of the machines to collect money, but intentionally place a few paying machines on the floor so that there will at least someone winning, encouraging players on the losing machines to keep gambling.
Despite the many varieties of the machines, there are certain rules and regulations put forward by the "Security Electronics and Communication Technology Association", an affiliate of the National Police Association (NPA). For example, there must be three reels. Also, all reels must be accompanied by buttons which stop these reels, no more than 15 coins can be paid out per plays, credit meter cant go higher than 50, 3 coin maximum bet, etc.
Although a 15 coin payout may seem ridiculously low, the regulations allow "Big Bonus" (~400-->711 coins) and "Regular Bonus" modes (~110 coins) where these 15 coin payouts occur nearly continuously until the bonus mode finished. While the machine is in bonus mode, the player is entertained with special winning scenes on the LCD display, and energizing music is heard, payout after payout.
Three other unique features of Pachisuro machines are "Stock", "Renchan", and tenjō (天井?). On many machines, when enough money to afford a bonus is taken in, the bonus is not immediately awarded. Typically the game merely stops making the reels slip off the bonus symbols for a few games. If the player fails to hit the bonus during these "standby games", it is added to the "Stock" for later collection. Many current games, after finishing a bonus round, set the probability to release additional stock (gained from earlier players failing to get a bonus last time the machine stopped making the reels slip for a bit) very high for the first few games. As a result, a lucky player may get to play several bonus rounds in a row (a "Renchan"), making payouts of 5000, even 10,000 coins possible! The lure of "Stock" waiting in the machine, and the possibility of "Renchan" tease the gambler to keep feeding the machine. To tease him further, there is a tenjō (ceiling), a maximum limit on the number of games between "Stock" release. For example, if the tenjō is 1500, and the number of games played since the last bonus is 1490, the player is guaranteed to release a bonus within just 10 games.
Because of the "Stock", "Renchan", and tenjō systems, it is possible to make money by simply playing machines on which someone has just lost a huge amount of money. This is called being a "hyena". They are easy to recognize, roaming the aisles for a "Kamo" ( "sucker" in English) to leave his machine.
In short, the regulations allowing "Stock", "Renchan", and tenjō has transformed the Pachisuro from a low-stakes form on entertainment just a few years back to the hard-core gambling it has become in 2006. Many people may be gambling more than they can afford, and the big payouts also lure unsavory "hyena" types into the gambling halls. Debt is that which is owed usually referencing Assets owed but the term can cover other obligations
To address these social issues, a new regulation (Version 5. 0) has been adopted in 2006 which caps the maximum amount of "Stock" a machine can hold to around 2000--3000 coins worth of bonus games. Moreover, all Pachisuro machines must be re-evaluated for regulation compliance every 3 three years. Version 4. 0 came out in 2004, so that means all those machines with the up to 10000 coin payouts will be removed from service by 2007. Only time will tell how these changes will affect the Japanese Pachisuro industry.
Skill stops
'Skill stop' buttons were added to some slot machines by Zacharias Anthony in the early 70s. These enabled the player to stop each reel, allowing a degree of 'skill' so as to satisfy the New Jersey gaming laws of the day which required that players were able to control the game in some way. New Jersey ( is a state in the Mid-Atlantic and Northeastern regions of the United States. The original conversion was applied to approximately 50 late model Bally slots and is the first known use of the skill stop on slot machines. This article is about the Bally company a manufacturer of slot machines and pinball machines Because the typical machine stopped the reels automatically in less than 10 seconds, weights were added to the mechanical timers to prolong the automatic stopping of the reels. By the time the New Jersey Alcoholic Beverages Commission (ABC) had approved the conversion for use in New Jersey arcades the word was out and every other distributor began adding skill stops. The machines were a huge hit on the Jersey Shore and the remaining unconverted Bally machines were destroyed as they had become instantly obsolete. The Jersey Shore is a term used in the mid-Atlantic region of the United States to refer to the both Atlantic coast of New Jersey and the adjacent resort
References
- ^ Cooper, Marc (December 2005). How slot machines give gamblers the business. The Atlantic Monthly Group. Retrieved on 2008-04-21. 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 753 BC - Romulus and Remus found Rome ( traditional date)
- ^ Charles Fey article
- ^ Bally Technologies, Inc. | Company Information
- ^ Article on 2006 changes to video slots
- ^ Description of how Near-Miss works
- ^ http://www.pc.gov.au/inquiry/gambling/finalreport/index.html|See Chapter 8, Productivity Commission Report no. 10
- ^ http://www.pc.gov.au/study/ageing/finalreport/technicalpapers/technicalpaper10.pdf Productivity Commission, Economic Implications of an Ageing Australia, April 12, 2005, Technical Paper No. 10, "Gambling revenue"
- ^ Consolidated UK Machine Guidelines
- ^ Fairplay campaign
Bibliography
- Brisman, Andrew. The American Mensa Guide to Casino Gambling: Winning Ways (Stirling, 1999) ISBN 0-8069-4837-X
- Grochowski, John. The Slot Machine Answer Book: How They Work, How They've Changed, and How to Overcome the House Advantage (Bonus Books, 2005) ISBN 1-56625-235-0
- Legato, Frank. How to Win Millions Playing Slot Machines! . . . Or Lose Trying (Bonus Books, 2004) ISBN 1-56625-216-4
See also
- Online slot games
- Pachinko
- Progressive jackpot
- Quiz machine
- Video Lottery Terminal
- Video poker
- United States state slot machine ownership regulations
- European Gaming & Amusement Federation
External links
- HowStuffWorks: Slot Machines
- How Slot Machines Work
- Slot Machines explained
- Slot Machines database from 1898 to today
Dictionary
slot machine
-noun
- Any machine operated by placing a coin or token into a slot.
- A gambling machine so operated; a fruit machine or one-armed bandit.
- A vending machine.
- (poker slang) three of a kind sevens
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