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.

Date of Patent:
Feb. 16, 2010

Filed:

Oct. 31, 2006
Applicants:

Hiroyoshi Ishikawa, Kawasaki, JP;

Nobukazu Fudaba, Kawasaki, JP;

Hajime Hamada, Kawasaki, JP;

Kazuo Nagatani, Kawasaki, JP;

Yasuhito Funyu, Kawasaki, JP;

Norio Tozawa, Kawasaki, JP;

Tokuro Kubo, Kawasaki, JP;

Inventors:

Hiroyoshi Ishikawa, Kawasaki, JP;

Nobukazu Fudaba, Kawasaki, JP;

Hajime Hamada, Kawasaki, JP;

Kazuo Nagatani, Kawasaki, JP;

Yasuhito Funyu, Kawasaki, JP;

Norio Tozawa, Kawasaki, JP;

Tokuro Kubo, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 11/12 (2006.01); H04B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bias control signal generation unit detects ON and OFF of a transmission signal input to an amplifier and having a property of a burst according to burst information. The bias control signal generation unit controls a bias voltage to be applied to an amplifier such that an idle current flowing through the amplifier can be flowing in a larger amount in a transmission OFF period, and can return to a normal level in a transmission ON period.


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