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:
Jan. 05, 1993
Filed:
Nov. 20, 1989
Applicant:
Inventor:
John Davies, Stockport, GB;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343713 ; 343704 ; 455273 ;
Abstract
A radio receiver antenna system including an antenna arrangement (1) which provides two signals (v.sub.a, v.sub.b) respectively as are provided by two antennas having different reception characteristics, and circuitry (T1, T2, 35 to 47) for combining the signals so that the output (V.sub.0) is significant for all values of the relative phase of the two signals. A particular application is in vehicle radio receiver systems using the rear window heater as an antenna.
Davies, John. (1993). Radio receiver antenna systems (U.S. Patent No. 5177495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5177495
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile