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:
Jun. 11, 1991
Filed:
Nov. 17, 1989
Applicant:
Inventor:
Jan Vancraeynest, White Plains, NY (US);
Assignee:
Nynex Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ; H04B / ;
U.S. Cl.
CPC ...
455 80 ; 455 82 ; 455 83 ; 333104 ; 333110 ; 333132 ; 333134 ; 370 38 ;
Abstract
A combined switch and filter comprising coupled first and second quarter-wave transmission line sections and switching elements for providing selective coupling and filtering between ports of the switch coupled to the ends of the quarter-wave sections.