Amusement devices: games – Surface projectile game; game element – Ball games
Patent
1997-10-10
2000-02-29
Harrison, Jessica J.
Amusement devices: games
Surface projectile game; game element
Ball games
463 13, A63F 702
Patent
active
060299738
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a game machine for varying a display content on a display device provided on the game machine console panel upon entrance of a game medium driven onto a game machine console panel into a special prize-winning port, and generating a special condition advantageous to a player when the display result after the variation meets a predetermined condition.
BACKGROUND TECHNIQUE
Now widespread as conventional game machines as described above, are pinball machines in which a pattern matching game is executed on a display device, and an opening/closing operation of a variable prize-winning port which is provided on the game machine console panel and normally closed is repeatedly performed for a predetermined time or at a predetermined frequency in accordance with the result.
In the conventional pinball machine, a game machine console panel is erectly provided at the front surface side of the main body, and normally one kind of prize-winning unit to settle the kind of the game machine and enhance the game performance is mounted substantially at the center portion of the game machine console panel. The prize-winning unit comprises an elaborate mechanism which can vary the prize-winning probability in the game machine, and in accordance with the type of the prize-winning unit thus mounted, the game machine is classified into a first type game machine (so-called fever type), a second type game machine (so-called wing type), a third type game machine (so-called right type) and a fourth game machine (so-called one shot type).
Particularly, the game machine is provided with a special prize-winning port (so-called chucker) and a display device on which such a pattern matching as described above is performed. When a game medium (pinball) enters the special prize-winning port, a pattern matching game is executed in which three patterns (for example, a set of numerals [0] to [9] or a set of patterns) are varied on the display device of the game machine console panel and the variation of each pattern is stopped at a desired stop timing like a slot machine, and it is then judged whether a combination of the patterns is coincident with a big-hit pattern (for example, three numerals of 7 are aligned [777]). If it is a big-hit pattern, the variable prize-winning port is actuated in accordance with the big-hit pattern, and the game can be played with a relatively higher probability (prize-winning probability) than in the normal case. Such a pinball game machine, is called a "fever type" machine, the first type.
In the first type game machine, the occurrence probability of a specific combination of patterns on the display device is determined on the basis of random numbers which are generated by a built-in program (normally recorded in ROM), and no player can directly alter the program or control the generation of the random numbers to take an active hand in the generation probability of a specific combination.
As a result, the extent to which a player's skill actively affects the game content is limited to only the increase of an opportunity of a pattern rotating display (i.e., the frequency of entrance of a pinball into a special prize-winning port) to thereby increase the frequency of the generation of the random numbers.
Further, when a special prize-winning condition is generated due to actuation of a variable prize-winning device (attacker), if a player plays the game according to a predetermined procedure (so-called capture way), almost any play can gain the maximum given prize without difficulty, and thus gain a large number of prize-winning pinballs although some level of skill is needed.
In such a conventional game machine, however, a player's skill on the game on which the player can take an active handle is limited to the increase of the frequency of the random number generation as described above, and thus there is a problem that the game is liable to be monotonous and it has little appeal little to players and lacks amusement.
Still further, the special prize-winning c
REFERENCES:
patent: 5836819 (1998-11-01), Ugawa
patent: 5904352 (1999-05-01), Takemoto
Harrison Jessica J.
Kabushiki Kaisha Ace Denken
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