Memory cartridge and information processor unit using such cartr

Details Memory cartridge and information processor unit using such cartr Memory cartridge and information processor unit using such cartr

1987-11-27

1989-09-12

Picard, Leo P.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273486, 273 1E, 273DIG28, A63F 922

Patent

active

048653217

ABSTRACT:
A cartridge for a gaming machine includes a case having tapered surface formed along a side edge of the rear face thereof which cooperates with a protrusion in the cartridge receiving tray in the gaming machine main unit to prevent an inverted insertion of the cartridge into the machine. A character ROM, a first semiconductor memory storing a program for determining authenticity of the cartridge and a first microcomputer for executing that program are mounted on a printed circuit board accommodated in the case. The gaming machine includes a picture processing unit generating an image signal based on data from the character ROM, a second semiconductor memory which stores the same program for determining authenticity of the cartridge as the program in the first semiconductor memory, and a second microcomputer identical to the first microcomputer for executing the program stored in the second semiconductor memory. The second microcomputer determines authenticity of the loaded or inserted cartridge. Finally, a protrusion attached to the cartridge loading device in the machine cooperates with a recess in the cartridge case to prevent the loading of a counterfeit cartridge.

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