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:
Jul. 17, 1990
Filed:
Feb. 17, 1989
Applicant:
Inventor:
William G Sterns, Canoga Park, CA (US);
Assignee:
ITT Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10P / ;
U.S. Cl.
CPC ...
333160 ; 333161 ; 333156 ;
Abstract
The present invention constitutes a microwave circuit structure such as a phase shifter which has a dielectric cylindrical support structure with a ground plane on the inside and a microwave circuit mounted on the outside. A cylindrical shield is mounted coaxially around the circuit, spaced therefrom by a second dielectric. Two embodiments are shown in microstrip and stripline.