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. 15, 2003
Filed:
Oct. 23, 1998
Applicant:
Inventors:
Peter Charles Eastty, Eynsham, GB;
Peter Damien Thorpe, Botley, GB;
Christopher Sleight, Chipping Norton, GB;
Assignee:
Sony United Kingdom Limited, Weybridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 3/00 ;
U.S. Cl.
CPC ...
H03M 3/00 ;
Abstract
A differential microphone ( ) produces a differential pair of output signals which are applied by a differential analogue amplifier ( ). The amplified differential signals are converted to 1-bit form by a pair of analogue to digital converters ( ) and are combined in a 1-bit Delta Sigma Modulator.