Data processing system comprising a graphic tablet and a stylus

Details Data processing system comprising a graphic tablet and a stylus Data processing system comprising a graphic tablet and a stylus

1995-11-21

1999-03-30

Shankar, Vijay

Telegraphy

Systems

Position coordinate determination for writing

178 1803, 178 1807, 178 181, 178 1901, 178 1903, G08C 2100

Patent

active

058892370

ABSTRACT:
In a data processing system comprising a graphic tablet and a wireless stylus cooperating with the tablet, the stylus is activated by an activation signal transmitted by a display screen integrated with the tablet. For the activation signal use is made of a signal which is transmitted any way by the display screen in the normal operational mode. The stylus is arranged to receive the signal and to change over from a battery-saving standby mode to an operational mode upon reception of this signal.

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