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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.:

US 4731592 B1

PDFFull Text
Date of Patent:
Mar. 15, 1988

Filed:

Dec. 16, 1986

Voltage controllable oscillator

Applicant:
Inventors:

Akiro Sato, Kanagawa, JP;

Jun Ono, Kanagawa, JP;

Kenichiro Kumamoto, Tokyo, JP;

Koichi Ohya, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:

Eslinger; Lewis H.

Primary Examiner:

Eugene R LaRoche

Assistant Examiner:

David Mis

Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
3311 / ; 3311 / ; 3311 / ; 331179 ; 331181 ;
Abstract

An integrated voltage controllable oscillator having a transistor for oscillation is further provided with a resonance circuit externally connected to two electrodes of the transistor for oscillation and including a variable capacitance element adapted to vary a resonance frequency of the resonance circuit, and a high impedance element connected between the variable capacitance element and the ground in a circuit adapted to supply a control voltage to the variable capacitance element.

Find Patent Forward Citations

Sato, Akiro. (1988). Voltage controllable oscillator (U.S. Patent No. 4731592). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4731592

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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