US Patent 7872825 Data storage drive with reduced power consumption

Patent 7872825 was granted and assigned to Agere Systems on January, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Agere Systems

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7872825

Date of Patent

January 18, 2011

Patent Application Number

12095380

Date Filed

August 20, 2007

Patent Primary Examiner

‌

Hoa T. Nguyen

Patent abstract

A data storage drive comprises a storage disk, a read/write head, and signal processing circuitry in signal communication with the read/write head. The read/write head is operative to read data from and write data to the storage disk at a plurality of data transfer rates. Moreover, the signal processing circuitry is powered by a variable power source. The variable power source varies supply voltage to the signal processing circuitry as a function of a current one of the data transfer rates of the read/write head. Power consumption is reduced in this manner.