Importance

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Abstract

The present invention pertains to .[.an apparatus and.]. .Iadd.a .Iaddend.method, in conjunction with standard monochrome and color television receivers, for the generation, display, manipulation, and use of symbols or geometric figures upon the screen of the television receivers for the purpose of .[.training simulation, for.]. playing games.[., and for engaging in other activities.]. by one or more participants. The invention comprises in one embodiment a control unit, connecting elements and in some applications a television screen overlay mask utilized in conjunction with a standard television receiver. The control 10 unit includes the control, switches and electronic circuitry for the generation, manipulation and control of video signals which are to be displayed on the television screen. The connecting elements couple the video signals to the receiver antenna terminals thereby using existing electronic circuits within the receiver to process and display the signals. An overlay mask which may be removably attached to the television screen may determine the nature of the game to be played or the training simulated. Control units are provided for each of the participants. In the present invention dots are generated on a television screen and controls are provided to cause one dot to overlap the other. Alternatively, a photoelectric element senses light emitted by a displayed dot and denotes that the light has been sensed.

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First Claim