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:
Oct. 11, 1988
Filed:
Aug. 29, 1986
Applicant:
Inventor:
Kuang-Ta Ho, Charlotte, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H / ;
U.S. Cl.
CPC ...
219 / ;
Abstract
A gap voltage sensing circuit with a voltage divider, a rectifier and a sample and hold integrated circuit. A drive signal branch with a phase shift stage having an offset adjustable potentiometer is driven by the source of the machining pulses to time the sample and hold circuit. An output of the sample and hold circuit is connected to a voltmeter.