Cordless digitizer transducer/cursor status transmission apparat

Details Cordless digitizer transducer/cursor status transmission apparat Cordless digitizer transducer/cursor status transmission apparat

1994-07-29

1996-06-11

Peng, John K.

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 20, 34082568, 178 18, H03M 1100

Patent

active

055259812

ABSTRACT:
A cordless transducer/cursor having a transmitter for use in conjunction with the receiver of a digitizer tablet. The transmitter receives parallel binary signals representing the status of non-positional functions such as command button status and the pressure applied to a stylus of the transducer/cursor and converts these into a serial stream of binary data for electrostatic or electromagnetic transmission to the receiver which, in turn, converts the serial stream into a plurality of parallel binary signals consistent with those received and converted by the transmitter.

REFERENCES:
patent: 3510777 (1970-05-01), Gordon
patent: 4213005 (1980-07-01), Cameron
patent: 4345239 (1982-08-01), Elliot
patent: 4451698 (1984-05-01), Whetstone et al.
patent: 4672154 (1987-06-01), Rodgers et al.
patent: 4820886 (1989-04-01), Watson
patent: 5061828 (1991-10-01), Purcell
patent: 5111005 (1992-05-01), Smith et al.
patent: 5144594 (1992-09-01), Gilchrist
patent: 5247138 (1993-09-01), Landmeier

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