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:
Apr. 13, 1982
Filed:
Mar. 13, 1980
Applicant:
Inventor:
Steven N Stitzer, Ellicott City, MD (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455 19 ; 333 / ; 370 26 ; 370 38 ; 455 86 ;
Abstract
A microwave duplexer apparatus utilizing a frequency selective limiter unit in conjunction with a microwave circulator to direct RF energy from a transmitter to an antenna and from an antenna to a receiver in a single antenna duplex communication system. gi