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:
Jul. 29, 2003
Filed:
Dec. 05, 2000
Applicant:
Inventors:
Akira Ohta, Tokyo, JP;
Akira Inoue, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 1/32 ; H01P 1/36 ;
U.S. Cl.
CPC ...
H01P 1/32 ; H01P 1/36 ;
Abstract
A radio-frequency composite element includes an element substrate carrying a high-efficiency amplifier, a transmission line, and an isolator. The amplifier is a semiconductor element mounted on a multilayer substrate and enveloped by a cover. The transmission line furnished on the element substrate connecting an output terminal of the high-efficiency amplifier with an input terminal of the isolator, so that the components make up an integral composite element.