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:
Dec. 28, 1976
Filed:
Feb. 14, 1975
Applicant:
Inventors:
William W Misson, Santa Rosa, CA (US);
Clarence K Studley, Los Altos, CA (US);
William J West, Los Altos, CA (US);
Edward T Liljenwall, Sunnyvale, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ; H01H / ;
U.S. Cl.
CPC ...
200292 ; 2001 / ; 200239 ;
Abstract
A keyboard is disclosed comprising a printed circuit board having conductors on only one side. Resilient switching elements are supported by selected ones of the conductors and may be deflected into contact with other selected ones of the conductors by keys supported above the switching elements.