Architecture and method for communication of writing and erasing

Details Architecture and method for communication of writing and erasing Architecture and method for communication of writing and erasing

1993-04-29

1995-12-12

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

178 19, G08C 2100

Patent

active

054754011

ABSTRACT:
An architecture is disclosed for communication of remote devices to a digitizing display. The architecture includes a contact sensing erasure mechanism and a position sensing erasure mechanism whose outputs are multiplexed for transmission from the stylus to an antenna located proximate to the digitizing display. The digitizing display will erase text or graphics data in a pen-based computer system in response to the stylus. A calibration method provides improved accuracy for the erasure function.

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patent: 5231578 (1993-07-01), Levir et al.
patent: 5247137 (1993-09-01), Epperson

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