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EP0082706A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Reel type slot machine

Assignee: Universal KK
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Filing: 1982-12-20
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Granted: —
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Expires: 2002-12-20
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Abstract

Abstract A slot machine has a micro-computer 25 comprising a look up table memory for storing information of symbol arrangements on reels 3,4,5 rotatably mounted side by side, respectively, and a memory for storing information as to the numbers of coins or token to be paid out according to predetermined prize-winning combinations of symbols. When the reels are stopped, individually, the look up table memory is accessed with address signals indicating the stopped positions of the respective reels which are detected by counters associated therewith so as to determine the combination patterns of symbols which occur in prize-awarding rows in such a way that all of the symbols read out from the look up table memory are compared with a respective one of said predetemined symbols read out one after another.

Inventors

  • 👤 Kazuo Okada

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 21:19
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; G07F17/34

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 192 words
A slot machine having a plurality of reels each provided with series of various symbols around its periphery, said reels being rotatably mounted side by side, wherein, upon occurrences of predetermined prize-winning combinations of symbols in prize-awarding rows, coins or tokens are paid out, said slot machine comprising: means for detecting the positions at which the respective reels stop rotating; table memory means for storing information as to the symbol arrangement on each of the respective reels; memory means for storing information as to the numbers of coins or tokens to be paid out for the predetermined prize-winning combinations of symbols; means for paying out coins or tokens as prizes; and a microprocessor for accessing said table memory means using, as address signals, signals representing the stopped positions.of the respective reels, to read out particular combinations of symbols which occur in the prize-awarding rows when the reels stop so as to determine coincidences of said particular combinations of symbols with the predetermined prize-winning combinations of symbols from said memory means and so as to thereby control said pay out means to pay out a given number of coins or tokens as prizes.
Claim 2
Dependent Claim 192 words
A slot machine having a plurality of reels each provided with series of various symbols around its periphery, said reels being rotatably mounted side by side, wherein, upon occurrences of predetermined prize-winning combinations of symbols in prize-awarding rows, coins or tokens are paid out, said slot machine comprising: means for detecting the positions at which the respective reels stop rotating; table memory means for storing information as to the symbol arrangement on each of the respective reels; memory means for storing information as to the numbers of coins or tokens to be paid out for the predetermined prize-winning combinations of symbols; means for paying out coins or tokens as prizes; and a microprocessor for accessing said table memory means using, as address signals, signals representing the stopped positions.of the respective reels, to read out particular combinations of symbols which occur in the prize-awarding rows when the reels stop so as to determine coincidences of said particular combinations of symbols with the predetermined prize-winning combinations of symbols from said memory means and so as to thereby control said pay out means to pay out a given number of coins or tokens as prizes.
Claim 3
Dependent Claim 19 words
A slot machine as defined in claim 1, wherein said reels are driven to rotate individually by pulse motors.
Claim 4
Dependent Claim 58 words
A slot machine as defined in claim 2, wherein each of the stop position detecting means comprises a pulse counter for counting pulses which are supplied to said pulse motor, and a photo-interrupter arranged to detect the passage of a light-shielding member provided on the reel to generate a signal for resetting the previous content of said counter.
Claim 5
Dependent Claim 38 words
A slot machine as defined in claim 2 or 3, said slot machine further comprising a start switch for causing said pulse motors to rotate and stop switches associated with said pulse motors, respectively, for stopping them, individually.

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