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. 29, 2005
Filed:
Nov. 06, 2001
Martin Dieter Liess, Eindhoven, NL;
Christoph Dobrusskin, Eindhoven, NL;
Aldegonda Lucia Weijers, Eindhoven, NL;
Martin Dieter Liess, Eindhoven, NL;
Christoph Dobrusskin, Eindhoven, NL;
Aldegonda Lucia Weijers, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An optical input device for measuring the movement of a finger () ia accommodated in a housing provided with a transparent window () for transmitting a measurement beam () from a diode laser () to the finger and radiation reflected by the finger to a detector (). This feature prevents that grease and dust disturb and block the measuring beam.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile