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:
Feb. 13, 1990
Filed:
Apr. 18, 1988
Applicant:
Inventor:
Todd J Christopher, Indianapolis, IN (US);
Assignee:
Thomson Consumer Electronics, Inc., Indianapolis, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341143 ; 341 77 ; 341110 ; 341146 ;
Abstract
A digital-to-analog converter includes a sampled data sigma-delta modulator to resample and coarsely quantize the digital samples to be converted. The coarsely quantized samples are converted to sequences of pulses which are applied to a pulse sensitive analog integrator to develop analog representations of the digital signal.