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:
Oct. 19, 2004

Filed:

Mar. 01, 2001
Applicant:
Inventors:

Takashi Yano, Tokorozawa, JP;

May Suzuki, Kokubunji, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 1/302 ;
U.S. Cl.
CPC ...
H04J 1/302 ;
Abstract

In order to effectively reduce power consumption of a terminal in a wireless communication apparatus upon packet communication, the wireless communication apparatus has a plurality of signal processing blocks having different signal processing periods; a buffer memory which links the signal processing blocks; and a clock control part which supplies or suspends a clock signal to each block. Each of the signal processing blocks watches whether or not there is data to be processed in the subsequent signal processing block. Based on the watched result, the clock control part controls an operation to supply or suspend the clock signal to the subsequent signal processing block.


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