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:
Jul. 21, 1998
Filed:
Sep. 11, 1997
Applicant:
Inventor:
Paul Anthony Frindle, Witney, GB;
Assignees:
Sony Corporation, Tokyo, JP;
Sony United Kingdom Limited, Weybridge, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341118 ; 341155 ;
Abstract
Signal processing apparatus comprises at least one digital signal processing device mounted on a circuit board, for performing sample-based signal processing at a sampling frequency; and a switched mode power supply mounted on the circuit board, the switched mode power supply operating at a switching frequency derived from the sampling frequency of the digital signal processing device.