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. 28, 2009
Filed:
Mar. 08, 2007
Applicants:
Ralf Dorwarth, Oberderdingen, DE;
Wilfried Schilling, Oberderdingen, DE;
Inventors:
Ralf Dorwarth, Oberderdingen, DE;
Wilfried Schilling, Oberderdingen, DE;
Assignee:
E.G.O. Elektro-Geraetebau GmbH, Oberderdingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/975 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elongate contact switch is disclosed having several partial contact areas and associated illumination means for indicating the actuation mode and also the actuation point to an operator, in order to increase operational effectiveness. The illumination means can be directly associated with individual partial contact areas or can indicate the progress of movements for operating the contact switch by applying a finger and pulling the same along a contact area. Moreover, malfunctions can be indicated to the operator.