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. 15, 1985
Filed:
Oct. 27, 1983
Applicant:
Inventors:
John S Bialas, Jr, Manassas, VA (US);
Richard J Daniels, Dumfries, VA (US);
William J Mruk, Chantilly, VA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B / ; H03L / ;
U.S. Cl.
CPC ...
307297 ; 307304 ;
Abstract
A precision regulation substrate voltage generator circuit is disclosed which employs frequency modulation to modify the oscillator frequency driving the substrate charge pump, in order to more precisely control the resultant substrate voltage in an integrated circuit.