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. 30, 1985
Filed:
Jul. 09, 1982
Applicant:
Inventor:
Jonathan R Wood, Sudbury, MA (US);
Assignee:
Data General Corporation, Westboro, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; G06G / ;
U.S. Cl.
CPC ...
307265 ; 307490 ;
Abstract
A pulse width modulator circuit for use with DC power converters. The circuit contains an oscillator having a nonlinear output, a first comparator for comparing the output of the oscillator with an input voltage, and a second comparator for selecting portions of the output waveform of the first comparator for supplying to the output of the modulator.