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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4770416 | Vocal game apparatus A vocal game apparatus records arbitrary sounds and messages from game players. These recorded sounds correspond to input switches, which are different colors and contain a lamp for lighting. Players respond to the reproduced player recorded messages and ... | 09/13/1988 |
| 4691920 | Electronic hockey game A plurality of playing figures (B) are rotatably mounted on a generally planar playing surface (A). By pivoting levers of figure control linkages (C), the players selectively rotate the figures. Arrays of light emitting diodes are selectively actuatable t... | 09/08/1987 |
| 4659088 | Electronic optical target system mounted in an enclosure A domed game enclosure is provided for playing of an electronic game. A plurality of lights are mounted to the wall of the enclosure and arranged in a matrix. These lights are selectively lighted by a microcomputer. A sensor gun connected to the microcomp... | 04/21/1987 |
| 4574391 | Stereophonic sound producing apparatus for a game machine A stereophonic sound producing apparatus employs four speakers, a background-sound input signal and input-sound signals, to provide an on-the-spot "live action" feeling. The sounds are combined and varied such that a sound such as an artillery shell has a... | 03/04/1986 |
| 4569019 | Video sound and system control circuit Programmable I/O (input/output) interface circuitry provides video and audio signals, needed for a video computer/game, to a commercial color television type display/monitor and may be implemented in HMOS, (H type metal oxide semiconductor) large-scale-in... | 02/04/1986 |
| 4569026 | TV Movies that talk back A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a branching story game shown on a television screen. The actors and cartoon characters reply responsively with lip-sync s... | 02/04/1986 |
| 4545583 | Electronic gun and target apparatus and method A simulated fire and hit indicator apparatus and method includes two opponent stations having a gun device and a target device and a master control unit. Each gun device generates a dispersed trigger-active signal and a focused bullet signal; preferably i... | 10/08/1985 |
| 4540176 | Microprocessor interface device A user interface device for interfacing with a microprocessor driving a video display. The device is particularly adapted for the use of small children in interfacing with a microprocessor operating to drive a video game or a personal computer. The device... | 09/10/1985 |
| 4480833 | Amusement game An electromechanical amusement game apparatus including a frame, a playing surface supported by the frame, at least one player element movable by a manually operated mechanism along an elongated track in the playing surface, and a player piece movable alo... | 11/06/1984 |
| 4475228 | Programmable sound circuit for electronic games A sound generator for use with microprocessor controlled amusement games includes a programmable sound generator and programmable filters. The programmable filters utilize duty-cycle-controlled resistors to provide analog filtering under microprocessor co... | 10/02/1984 |
| 4445187 | Video games with voice dialog A video game system by which human viewers conduct simulated voice conversations with game characters or cartoon characters in a branching story game shown on a television screen. The characters and cartoons reply responsively with lip-sync sound to words... | 04/24/1984 |
| 4375287 | Audio responsive digital toy A digital toy which produces a random response to an audible inquiry. During the time of the audible inquiry, a switch is depressed. During that switch depression time a random response of the yes or no type is determined and at the same time an enabling ... | 03/01/1983 |
| 4373722 | Electronic vehicle race simulator A battery operated electronic drag race simulator includes a casing having hand grips at each side. When an on-off ignition switch is closed, a first light emitting diode (LED) numeric display immediately indicates the maximum engine RPM or tachometer rea... | 02/15/1983 |
| 4363482 | Sound-responsive electronic game An electronic game apparatus facilitates the playing of a parlor game. The game apparatus generates a series of player-interrogation signals, and defines a corresponding "correct" sequence of auditory and switch-closure responses by the players (or player... | 12/14/1982 |
| 4363484 | Electronic table tennis game apparatus A player response game is provided including game apparatus that directs light beams of relatively short duration from a control housing to opposing player stations and detects light reflected back from the respective player stations. The game apparatus a... | 12/14/1982 |
| 4355806 | Electronic jacks game An electronic toy game of skill for two players includes an array of illuminatable display elements, such as LED's, randomly selected ones of which are illuminated during each round of play; a corresponding plurality of player switches which are located a... | 10/26/1982 |
| 4346892 | Electronic pool game An electronic pool game including a matrix display representative of the playing surface of a pool table, a control and driving circuit for applying driving signals to the matrix display for the display of indicia representative of pool balls, including a... | 08/31/1982 |
| 4341385 | Electronic board game apparatus In the game disclosed herein, participants move their tokens, each representing a detective, over an indicia-carrying game board in pursuit of an imaginary thief whose location is not apparent on the board. The indicia on the board defines a multiplicity ... | 07/27/1982 |
| 4333152 | TV Movies that talk back A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a prerecorded branching movie shown on a television screen. The actors and cartoons reply responsively with lip-sync soun... | 06/01/1982 |
| 4326715 | Simulated baseball game device A game device includes a control switch for generating control signals, and a delay circuit for delaying the control signals. A first oscillation circuit is controlled by the output of said delay circuit. A second oscillation circuit is connected to recei... | 04/27/1982 |
| 4321673 | Electronic game An electronic game is housed in an enclosure that is free-standing and accessible by many players or in a structure suitable for one player. The game duplicates much of the sight and sound associated with conventional roulette. One embodiment includes a circul... | 03/23/1982 |
| 4314236 | Apparatus for producing a plurality of audio sound effects Apparatus for producing a plurality of audio sound effects such as shots, explosions, and airplane and car sounds, used in electronic games utilizes a variable clock driving a variable digital noise generator whose audio output amplitude is shaped by eith... | 02/02/1982 |
| 4305131 | Dialog between TV movies and human viewers A video amusement system by which one or more viewers influence the course of a motion picture as if each viewer were a participant in a real-life drama or dialog. A speech-recognition unit recognizes a few spoken words such as "yes" and "run" spoken by a... | 12/08/1981 |
| 4299386 | Electronic fencing game A structure including a base member having two fencing figures mounted thereon for movement relative to the base and each other so that the conductive sword carried by each figure may be engaged one with the other and the figures manipulated so that the c... | 11/10/1981 |
| 4285517 | Adaptive microcomputer controlled game An adaptive game utilizes a microprocessor for generating a random audible or visual stimulus which must be responded to by a plurality of players. The response generally requires the players to estimate a time interval, a number of events, a tone frequen... | 08/25/1981 |
| 4281833 | Audio racquet ball A non-visual ball and paddle game played through the medium of sound. Ball location, paddle position and playing field are defined by variations of volume, tone, pitch, frequency and stereo separation by means of stereo earphones worn by each player.... | 08/04/1981 |
| 4272649 | Processor controlled sound synthesizer An electronic circuit is disclosed which is capable of producing synthesized sounds under the control of a microprocessor or other type computer. A plurality of switch inputs are provided whereby the sound to be produced can be selected. The processor, un... | 06/09/1981 |
| 4261563 | Electronic time reaction game apparatus An electronic time reaction game apparatus which is capable of being played by one or more players and which comprises a housing having a pair of opposed player ends. A microprocessor is located in the housing and may be suitably operated by a convenient ... | 04/14/1981 |
| 4260159 | Electronic roulette game An electronic game simulating a roulette wheel whereby 38 light emitting diodes are circularly disposed. The diodes are sequentially illuminated so that a light appears to move circularly. A pulse generator, including a voltage controlled oscillator, acti... | 04/07/1981 |
| 4247107 | Electronically controlled roadrace system with sound generator An electronically controlled roadrace system with a sound generator for penetrating a variety of audible signals is disclosed. The system includes facilities for starting the race, counting and displaying laps completed for each car, computing and display... | 01/27/1981 |
| 4000489 | Dual-mode waveform generator The disclosed circuit provides a signal generator which is particularly adapted for use as an audible "kilo-sonic" game device in which a plurality of switches are provided so that the different combinations of switch positions produce a corresponding num... | 12/28/1976 |
