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:
Dec. 02, 1986
Filed:
Oct. 25, 1985
Applicant:
Inventor:
Thomas L Field, Rutland, MA (US);
Assignee:
Sprague Electric Company, North Adams, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B / ; H03K / ;
U.S. Cl.
CPC ...
331111 ; 331176 ;
Abstract
An integrated circuit relaxation oscillator having all NPN transistors includes three interconnected differential transistor pairs with an externally connected parallel R-C timing circuit. Each of the transistor pairs has a separate current source that compensates for temperature changes in the components of the corresponding transistor-pair circuits.