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:
Jul. 28, 1981
Filed:
Aug. 02, 1979
Applicant:
Inventor:
Osamu Shizuya, Higashi-Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358188 ; 455 44 ; 455307 ;
Abstract
In apparatus for receiving a television signal which is made by a frequency-modulation by a video signal, the improvement is that a band-pass filter provided in the receiver for selectively taking out selected television signal is designed in a manner to have a center frequency shifted from a frequency corresponding to the center level of the video signal to the side of another frequency corresponding to white-signal level, so that noises of the picture in small signal receiving is decreased.