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:
Oct. 25, 1983
Filed:
Nov. 20, 1981
Applicant:
Inventors:
Norman J Frame, Whitefish Bay, WI (US);
James P Walber, Cedar Grove, WI (US);
Jan M Janick, Brookfield, WI (US);
Assignee:
W. H. Brady Co., Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3403 / ; 3403 / ; 3403 / ; 3403 / ; 179 / ; 178 / ; 200 / ;
Abstract
A switch assembly with a different combination of resistance and capacitance associated with each of a plurality of switches and with as few as two leads connecting the plurality of switches to external circuitry. The external circuitry detects switch activation by sensing combined resistance and capacitance across the switch leads.