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US Patent 7508263 Digital amplifying apparatus with noise reduction

Patent 7508263 was granted and assigned to Pioneer Corporation on March, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Pioneer Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7508263

Date of Patent

March 24, 2009

Patent Application Number

11666610

Date Filed

November 1, 2005

Patent Primary Examiner

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Steven J Mottola

Patent abstract

A digital amplifying apparatus includes a positive-phase amplifier, an inverting amplifier, a pair of LPFs, a positive and a negative noise component extracting unit, and noise component coupling units that couple a negative and a positive noise component extracted by the negative and the positive noise component extracting units with a positive and a negative PWM signals.