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:
Nov. 17, 2015
Filed:
Jan. 26, 2007
Applicant:
Georg Arnold, Schwabach, DE;
Inventor:
Georg Arnold, Schwabach, DE;
Assignee:
Diehl AKO Stiftung & Co. KG, Wangen, DE;
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); H03K 17/96 (2006.01); G01V 8/12 (2006.01);
U.S. Cl.
CPC ...
H03K 17/9636 (2013.01); G01V 8/12 (2013.01); H03K 2217/94026 (2013.01); H03K 2217/94116 (2013.01); H03K 2217/96015 (2013.01);
Abstract
A touch-sensitive pushbutton switch includes an optical sensor, in particular an infrared sensor, and an evaluation circuit. The evaluation circuit is able, through the use of a reference device, to set a sensitivity of the optical sensor in dependence on a detected basic level of an evaluation signal.