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| Number | Title | Issue Date |
| 4623147 | Process for displaying a plurality of objects on a video screen A process is disclosed for displaying a plurality of objects on a video display screen. A video computer system (VCS) includes a microprocessor unit (MPU), a television interface adapter (TIA) having first and second high-resolution player graphics capabi... | 11/18/1986 |
| 4620707 | Non-volatile reprogrammable ram cartridge The reprogrammable RAM cartridge of the present invention is adapted for use as a reprogrammable video game. The cartridge uses an optoisolator connected in a circuit between the shield and ground lines to detect the presence of a signal indicating that t... | 11/04/1986 |
| 4596390 | Control cartridge selection device A device for permitting the individual selection any one of a plurality of control cartridges of the type commonly used in conjunction with cartridge controlled apparatus such as a video computer system. A holder holds the cartridges in a plurality of sep... | 06/24/1986 |
| 4593376 | System for vending program cartridges which have circuitry for inhibiting program usage after preset time interval expires A vending machine stores a plurality of video game programs which may be selected for purchase. The game program is transferred to a programmable cartridge which the user inserts into the machine. The programmable cartridge is then removed for use on a se... | 06/03/1986 |
| 4579338 | Video game device with automatic standby mode A video game device for use with a conventional television receiver includes microprocessor-based game control circuitry for generating audio and video signals in accordance with a series of digital instructions contained in a removable game cartridge. A ... | 04/01/1986 |
| 4516777 | Mobile self-contained video game system with instantaneously selectable game cartridges A mobile self-contained video gaming system. The system internally stores a plurality of standard video game cartridges simultaneously and provides instantaneous external user selection of any game cartridge without power sequencing of the console electro... | 05/14/1985 |
| 4492582 | Teaching and entertainment device A teaching and entertainment device includes a desk-top console which supports a keyboard, an LCD display matrix, and a plug-in cartridge recepticle. A quartet of LCD drivers each control a quadrant of the display under the control of a first microprocess... | 01/08/1985 |
| 4432067 | Memory cartridge for video game system A decoding circuit is coupled to the signal lines that communicate address signals to a memory unit. When a predetermined address is communicated, the decoding circuit produces a supplemental signal that is coupled to the memory unit and used to select on... | 02/14/1984 |
| 4421317 | Electronic game apparatus using a three-dimensional image An electronic game includes a base having an opening; at least one three-dimensional image stored on a plate, typically a hologram; a light source for each image; a microcomputer; and player controls. Illumination of the plate by the light source projects... | 12/20/1983 |
| 4398723 | Viewing device for generating a three-dimensional image A game apparatus includes a viewing device which incorporates a viewing console that receives replaceable visual cartridges and a microcomputer for generating game functions. The visual cartridges are automatically opened upon insertion into the viewing c... | 08/16/1983 |
| 4386773 | TV Game cartridge with expandable memory The present invention relates to a memory expansion device for use in increasing the ROM and adding RAM to a program cartridge. The program cartridge is used in association with electronic video games. The present invention relates to various electronic c... | 06/07/1983 |
| 4359222 | Hand-held electronic game playing device with replaceable cartridges A hand-held electronic program playing device having a flat panel electro-optical display unit incorporated in a housing, is disclosed. Circuitry suitable for driving the display unit and manually operable controls for providing a plurality of control fun... | 11/16/1982 |
| 4352492 | Data storage apparatus A video game apparatus for connection to a standard television set and including an electronics-containing console having a plurality of parameter selection buttons and a chute mechanism for receiving a replaceable cartridge-containing supplementary elect... | 10/05/1982 |
| 4259668 | Television set/calculator interface including exchangeable keyboard panel and program memory cartridge A combined home-use-television set/calculator electronic system comprising a control unit for conducting arithmetic calculations and for displaying calculation results on an image screen of the home-use-television set. A keyboard unit is exchangeably conn... | 03/31/1981 |
| 4180805 | System for displaying character and graphic information on a color video display with unique multiple memory arrangement A system for displaying character and graphic information on a color video display utilizes a unique memory architecture. A display memory having a plurality of addressable words corresponding to character positions on the display is utilized to store the... | 12/25/1979 |
| 4156928 | Programmable television game and training system with adaptable operator control A television-connected microprocessor system designed for use primarily as a television game or education system. The system is designed to accept source programming from cartridges that are interchangeable. The cartridges utilize either a ROM or a RAM to... | 05/29/1979 |
| 4149027 | TV game cartridge and method A cartridge for shielding a portable electronic micro-circuit and for connecting the circuit into a TV game. The apparatus includes a circuit board that is protected within a housing from static electricity and is adapted for connection with an electrical... | 04/10/1979 |
| 4095791 | Cartridge programmable video game apparatus A video game apparatus for connection to a standard television set and including an electronics-containing console having a plurality of parameter selection buttons and a chute mechanism for receiving a replaceable cartridge-containing supplementary elect... | 06/20/1978 |
| 4053740 | Video game system A self-contained operator responsive video game system is disclosed. The system is capable of generating a virtually unlimited number of games where a player responds to and controls high resolution objects drawn on a display device such as a cathode ray ... | 10/11/1977 |
