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, 1980
Filed:
Mar. 05, 1979
Applicant:
Inventor:
Michinori Naito, Tokyo, JP;
Assignee:
Trio Kabushiki Kaisha, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04B / ;
U.S. Cl.
CPC ...
455154 ; 455173 ; 455196 ; 455208 ;
Abstract
A superheterodyne receiver having means for detecting distortion in the intermediate frequency signal and for controlling the local oscillator frequency in accordance with the detected distortion to thereby minimize the distortion. Means are also disclosed for facilitating the use of a tuning indicator with the receiver, for enhancing the manipulability of a tuning knob of the receiver, for minimizing the effect of noise and interference on the receiver and for compensating for distortion present in the distortion detecting means.