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. 07, 2010
Filed:
Jan. 19, 2006
Applicants:
Eriko Takeda, Tokyo, JP;
Akira Kuriyama, Kokubunji, JP;
Tatemi Ido, Kodaira, JP;
Inventors:
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 11/12 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radio frequency circuit apparatus and a radio frequency module which permit alleviation of the PA efficiency drop and are compatible with both a MIMO system and a conventional system are to be provided. They are provided with a plurality of power amplifiers for amplifying a transmit signal and the plurality of power amplifiers include at least two power amplifiers differing in maximum output power from each other, and at least one out of the plurality of power amplifiers is used according to the communication system.