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:
Jan. 13, 1987
Filed:
Aug. 11, 1983
Applicant:
Inventor:
Shigetoshi Matsuta, Soma, JP;
Assignee:
Alps Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
455331 ; 455338 ; 333 32 ;
Abstract
In a UHF tuner having a diode mixer and a double-tuned circuit; a UHF tuner of good tuning characteristics comprising the fact that a .pi.-type impedance converter portion consisting of capacitors is disposed in a coupling part between the diode mixer and the double-tuned circuit.