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:
Mar. 09, 1982
Filed:
Jan. 22, 1981
Applicant:
Inventor:
James C Asher, San Jose, CA (US);
Assignee:
Atari, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 2001 / ; 200275 ; 200302 ;
Abstract
An improved dome switch is disclosed in which the configuration of the dome is modified to avoid premature wear of the circular contact. Specifically, the marginal portions of the dome is physical contact with the circular contact are provided with reverse curvature relative to the curvature of the remainder of the dome. The dome switch is incorporated in devices in which the switch is mechanically actuated, such as in a video game joy stick, or manually actuated, such as in the keyboard of a hand-held calculator.