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:
May. 19, 1981
Filed:
Nov. 26, 1979
Franklin N Eventoff, Los Angeles, CA (US);
M Tyrone Christiansen, Los Angeles, CA (US);
Other;
Abstract
A multi-function touch switch apparatus has a first semiconductor composition layer disposed on top of a first conductor layer which is affixed to a first base member. A second semiconductor composition layer opposing the first semiconductor in spaced relationship thereto is disposed on a second conductor layer which is itself disposed on the bottom surface of a second support member. A third conductor layer is also disposed on the top surface of the second support member in opposing spaced-apart relationship to a fourth conductor layer disposed on the bottom surface of a third support member. The second and third support members and the affixed conductor layers and semiconductor layers are resiliently deformable in a transverse axis in response to a transverse touch force to thereby cause electrical contact between the second and third conductor layers to provide a closed switch and the first and second semiconductor layers to provide a closed switch in series with a pressure sensitive resistance.