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:
Aug. 02, 1988
Filed:
Jan. 28, 1985
Applicant:
Inventors:
Edwin T Horton, Ballwin, MO (US);
William G Heimbuch, San Antonio, TX (US);
Assignee:
Satellite Technology Services, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04N / ;
U.S. Cl.
CPC ...
455277 ; 455-3 ; 455131 ; 455140 ; 333103 ; 358181 ;
Abstract
A polarity switch for connection between a dual antenna system and a satellite television receiver to permit multiple receivers to simultaneously receive channels of different polarity includes a pin diode switch and input circuitry to decode the standard receiver signal previously used to rotate the antenna feed of a single feed antenna.