The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 1999
Filed:
Nov. 21, 1995
Applicant:
Inventor:
Kofi A Makinwa, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C / ;
U.S. Cl.
CPC ...
178 1801 ; 178 1803 ; 178 1807 ; 178 181 ; 178 1901 ; 178 1903 ;
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.