Position pointing device including a memory and a position detec

Details Position pointing device including a memory and a position detec Position pointing device including a memory and a position detec

1995-03-17

1997-09-30

Kuntz, Curtis

Telegraphy

Systems

Position coordinate determination for writing

178 18, 345176, 345179, G08C 2100, G09G 302

Patent

active

056728522

ABSTRACT:
A position detecting device and a position pointing device therefor transmit information concerning the position pointing device or an operator from a cordless position pointing device to a tablet. An AC field containing information about the position pointing device or the operator and a write instruction is transmitted to the position pointing device by an instruction source of the tablet. The information is stored in a memory of the position pointing device by an instruction extractor responsive to a controller of the position pointing device. The stored information is read out to a characteristic controller in response to an AC field containing a read instruction received by the device from the tablet.

REFERENCES:
patent: 4617515 (1986-10-01), Taguchi
patent: 4723056 (1988-02-01), Tamaru
patent: 4786765 (1988-11-01), Yamanami
patent: 4992630 (1991-02-01), Mletzko
patent: 5245336 (1993-09-01), Chen
patent: 5349139 (1994-09-01), Verrier et al.

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