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:
Dec. 31, 2002
Filed:
Mar. 16, 2001
Applicant:
Inventors:
Amr Abdelmonem, Arlington Heights, IL (US);
Stephen K. Remillard, Arlington Heights, IL (US);
Assignee:
Illinois Superconductor Corporation, Mt. Prospect, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/213 ; H01B 1/202 ;
U.S. Cl.
CPC ...
H01P 1/213 ; H01B 1/202 ;
Abstract
A system having a transmit path and a receive path coupled to an antenna includes a cryostat, a receive filter disposed in the cryostat, a transmit filter disposed outside of the cryostat and in the transmit path, and a coupler that couples the antenna and the receive filter. The coupler includes a phase-adjusting portion disposed in the cryostat to provide duplexing functionality. The receive path includes the filter and the phase-adjusting portion of the coupler.