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:
Jun. 28, 1983
Filed:
Jul. 23, 1981
Applicant:
Inventor:
Steven E Garvey, Boulder Creek, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338 38 ;
Abstract
A variable resistance device having a moveable globule of liquid metal, contained in a channel, and having contact on one side with a resistive surface and on another side with a conductive surface, the resistive surface and conductive surface isolated from each other. The globule is moved by pumping a fluid through the channel, using a bi-directional fluidic pump whose pumping action is caused by selectively heating an adsorbent material. Selective heating is accomplished with a resistive material, dissipating power and controlled electronically.