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:
Apr. 20, 2004
Filed:
Apr. 10, 2002
Applicant:
Inventors:
Harry Englemann, Ingelhim, DE;
Kurt Schaupert, Hofheim, DE;
Assignee:
Schott Glas, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/7975 ; H03K 1/796 ; G06F 3/02 ; H01H 9/16 ;
U.S. Cl.
CPC ...
H03K 1/7975 ; H03K 1/796 ; G06F 3/02 ; H01H 9/16 ;
Abstract
In a touch switch with a keypad , a tactual feedback of its operation, perceptible to the user, is said to be achieved. For this purpose a transducer is provided, which upon a touching of the keypad impressed a movement on the latter.