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:
Sep. 16, 2003
Filed:
Apr. 19, 2000
Applicant:
Inventors:
Amr Abdelmonem, Arlington Heights, IL (US);
Leo Nadel, Lake Zurich, IL (US);
John Logeman, Park Ridge, IL (US);
Assignee:
ISCO International, Inc., Mount Prospect, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/38 ; H03F 3/04 ; H04M 1/00 ;
U.S. Cl.
CPC ...
H04B 1/38 ; H03F 3/04 ; H04M 1/00 ;
Abstract
An RF system includes a cryostat having a chamber and a cold region in the chamber, a high-temperature superconducting filter disposed in the cold area, a low-noise amplifier disposed in the chamber, a bypass switch coupling the high-temperature superconducting filter to the low-noise amplifier, and a conventional filter coupled to the bypass switch.