Hand operated cursor control system for a computer

Details Hand operated cursor control system for a computer Hand operated cursor control system for a computer

G - Physics

09

G

375/11

G09G 1/00 (2006.01) G05G 9/047 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1245782

- 1 - Abstract: The present invention relates to a cursor control system for use with a computer having a CRT display. The system includes a hand mounted signal generator for generating an X axis cursor position signal and a Y axis cursor position signal. The generator includes an X axis array of light transmitting elements, an X axis array of light receiving elements, a Y axis array of light trans- mitting elements and a Y axis array of light receiving elements. A space is provided for separating the X axis array of light transmitting elements from the X axis array of light receiving elements and for separating the Y axis array of light transmitting elements from the Y axis array of light receiving elements. An interrupting unit is provided which is controlled by a finger of the hand partially located within the space for interrupting light energy from reaching individual light receiving elements in the X axis and Y axis array of light receiving elements, the light energy having been transmitted from associated individual light transmitting elements in the X axis and Y axis array of light transmitting elements. A scanner is provided for sequentially scanning the X axis and Y axis array of light transmitting elements and the X axis and Y axis array of light receiving elements to thereby produce the X axis cursor position signal and the Y axis cursor position signal.

485533

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