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:
Aug. 11, 2009
Filed:
Aug. 08, 2003
Applicant:
Martin Dieter Liess, Wiesbaden, DE;
Inventor:
Martin Dieter Liess, Wiesbaden, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus includes an optical keyboard and an optical input device controlled by a moving object. The input device has at least one diode laser and photo diode for supplying at least one measuring beam to a device window and for receiving radiation reflected by the object placed on the window. The input device may be integrated in the keyboard such that the measuring beam is guided via the positions of the keys to the window.
Quick Actions:
Liess, Martin. (2009). Apparatus equipped with an optical keyboard and optical input device (U.S. Patent No. 7573463). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7573463
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