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. 29, 1977
Filed:
Sep. 19, 1975
Applicant:
Inventor:
John W Stewart, Wichita, KS (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307293 ; 307265 ; 3072 / ; 307273 ; 328 58 ; 328207 ;
Abstract
A circuit provides means for controlling the energy derived from operation of a load by delivering a timed output pulse which is a function of the applied circuit voltage. Operation of a variable charging means, coupled across the applied circuit voltage, is initiated by application of an input signal to the circuit and charges at a rate dependent upon the applied circuit voltage. A differential amplifier, responsive to the condition of the charging means, controls a driver which operates a latch to determine the duration of the output pulse.