Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1994-11-03
1998-05-05
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345158, G09G 508
Patent
active
057481806
ABSTRACT:
Disclosed is a pointing device 1 including; a stick member 11 depressed by an operator; piezoelectric elements 13 each of which converts a stress exerted to the stick member 11 into a voltage; a voltage converting circuit 15 connected to the piezoelectric elements 13; a control part 19 to which a signal from the voltage converting circuit 15 is input and which transmits a signal for controlling cursor movement to a system board 17. The control part 19 detects the voltage produced in the piezoelectric elements 13 based on the signal from the voltage converting circuit 15 and stores such voltage as a hold value in a RAM 27. Further, the control part 19 transmits the signal for controlling cursor movement to the system board 17.
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Brother Kogyo Kabushiki Kaisha
Hjerpe Richard
Tran Vui T.
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