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. 01, 1990
Filed:
Jan. 03, 1989
Applicant:
Inventors:
Harvey C Nathanson, Pittsburgh, PA (US);
Michael C Driver, McKeesport, PA (US);
Regis J Betsch, Monroeville, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H01P / ;
U.S. Cl.
CPC ...
342-5 ; 200181 ; 333105 ; 333262 ; 343841 ;
Abstract
A radio frequency transmitting shutter operable at low power and high speed for use in the protection of a radar or electronic warfare array comprising a multiplicity of individual conductive beam members interconnected by electrostatic switches formed using high yield, common photolithographic methods is disclosed. Further, a photosensitive embodiment of this device which would allow activation of the shutter wherever the light falls upon the shutter during radar protection, is disclosed and claimed.