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. 25, 1980
Filed:
Aug. 01, 1978
Applicant:
Inventor:
Hisashi Suganuma, Kawagoe, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01V / ; H03K / ; H03H / ;
U.S. Cl.
CPC ...
334 15 ; 307310 ; 307320 ;
Abstract
A temperature compensating circuit for a varactor diode having a voltage source applied to a temperature compensating diode which is provided separately from a control voltage for controlling the varactor diode and which is unaffected by a varactor diode controlling voltage source exhibiting a high impedance.