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:
Mar. 24, 1998
Filed:
Sep. 23, 1996
Applicant:
Inventor:
Richard William Ezell, Carrollton, TX (US);
Assignee:
Dallas Semiconductor, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
327536 ; 327544 ; 327538 ; 327558 ;
Abstract
A voltage bias generating circuit is disclosed which comprises a voltage-controlled charge pump which operates at a high frequency relative to audio frequencies wherein a plurality of low pass filters are used to prevent the introduction of noise and distortion of audio signals being amplified through a digital potentiometer or resistor array.
Quick Actions:
Ezell, Richard. (1998). Charge pump for digital potentiometers (U.S. Patent No. 5731736). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5731736
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