Coordinate reader

Details Coordinate reader Coordinate reader

1991-12-03

1993-07-13

Harkom, Gary V.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

395141, 340706, 340710, G06F 1560

Patent

active

052281248

ABSTRACT:
In a reader in which a tablet and a cursor device are connected electrically to the reader and an indicated position of the cursor device on the tablet is converted to a coordinate signal to be outputted, the improved reader in which two cursor devices are connected to the reader, and the first cursor device is retained by one hand, and the second cursor device is retained by the other hand, and the two cursor devices are manipulated by both hands of the operator so as to shift them on the tablet whereby the reader outputs the coordinate signal for the drawing of a graphic, and setting the command to a CPU on the basis of the indication of each cursor device.

REFERENCES:
patent: 4686332 (1987-08-01), Greanias et al.
patent: 5047754 (1991-09-01), Akatsuka et al.

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