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. 23, 2003
Filed:
Apr. 17, 2001
Applicant:
Inventors:
Shigetaka Suzuki, Fukushima-ken, JP;
Akira Takayama, Fukushima-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05R 1/18 ;
U.S. Cl.
CPC ...
H05R 1/18 ;
Abstract
A radio frequency amplifier includes a waveguide filter positioned between a first and a second amplifier circuit, which reduces the distortion between the amplifier circuits. The waveguide includes a main body having a cavity.
Suzuki, Shigetaka. (2003). Radio frequency amplifier with a waveguide filter for isolating amplifying elements (U.S. Patent No. 6624692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6624692
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile