Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-06-27
1999-08-17
Powell, Mark R.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345145, G09G 508
Patent
active
059400633
ABSTRACT:
A coordinate input apparatus is provided which is capable of accurately stopping a cursor at a desired position by an easy cursor movement operation. The coordinate input apparatus includes a stick-type operation section, pressure sensor sections for detecting an operational load force applied during operation of the operation section and outputting the detected operation load force as load data, a cursor movement control section for performing counting which accords with an increase or decrease in the load data output from the pressure sensor sections and outputting load data corresponding to a count value. The coordinate data output from the cursor movement control section indicates an increase count output value in response to an increase or decrease in load data when the load data output from the pressure sensor sections increases. When load data output from the sensor sections tends to decrease, the coordinate data indicates a decrease count output value in response to a decrease in the load data with an output count value such that the current count value is greatly decreased as a starting point.
REFERENCES:
patent: 5489900 (1996-02-01), Cali et al.
patent: 5508717 (1996-04-01), Miller
patent: 5579033 (1996-11-01), Rutledge et al.
patent: 5680154 (1997-10-01), Shiga et al.
patent: 5748180 (1998-05-01), Inukai
Alps Electric Co. ,Ltd.
Nguyen Thu
Powell Mark R.
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