Simple data input device for supplying computer unit digital sig

Details Simple data input device for supplying computer unit digital sig Simple data input device for supplying computer unit digital sig

1997-03-28

1999-06-15

Kizou, Hassan

395893, A63F 900

Patent

active

059130768

ABSTRACT:
A house is two-dimensionally moved, and generates first and second analog signals representative of a movement in opposing first and second directions and another movement in opposing third and fourth directions that are perpendicular to the first and second directions. A data input device compares the first and second analog signals with a periodically changing reference signal to output a first pulse signal and a second pulse signal depending upon the comparison result, and selectively transfers a first pulse train and a second pulse train depending upon the duty factors of the first and second pulse signals so as to generate a composite digital signal representative of the motion of the mouse to a computer unit.

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