Position detecting device and position pointing device therefor

Details Position detecting device and position pointing device therefor Position detecting device and position pointing device therefor

1994-12-23

1997-02-04

Chin, Wellington

Telegraphy

Systems

Position coordinate determination for writing

345179, G08C 2100

Patent

active

056001053

ABSTRACT:
A position detecting device and a position pointing device therefor, which are capable of sending various types of instructions from a tablet to a cordless position pointing device, thus controlling the operation thereof. The tablet is equipped with an instruction generating means and an electromagnetic wave transmitting means to transmit an electromagnetic wave, which includes an operation state setting instruction, to the position pointing device. The position pointing device is equipped with an electromagnetic wave receiving means, an instruction extracting means, and an operation setting means to receive the electromagnetic wave, which includes the operation state setting instruction, extract the operation state setting instruction, and set the operation state in accordance with the extracted operation state setting instruction, thus enabling the operation state of the position pointing device to be set.

REFERENCES:
patent: 4999461 (1991-03-01), Murakami et al.
patent: 5138118 (1992-08-01), Russell
patent: 5247138 (1993-09-01), Landmeier
patent: 5308936 (1994-05-01), Biggs et al.
patent: 5349139 (1994-09-01), Verrier et al.
patent: 5369227 (1994-11-01), Stone
patent: 5373118 (1994-12-01), Watson
patent: 5408055 (1995-04-01), Harris et al.
patent: 5414226 (1995-05-01), Matsushima

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