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:
Jun. 23, 1992
Filed:
Nov. 15, 1989
Applicant:
Inventor:
Shigeo Kizu, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
360 331 ; 360 65 ; 358335 ; 358177 ;
Abstract
An equalization apparatus in which a variable equalizer is used to equalize the frequency response of an FM video signal obtained by frequency-modulating a carrier signal with a video signal in which a reference signal of a constant frequency is inserted during a predetermined interval. The equalization apparatus includes a comparator section for making a comparison in amplitude between first upper and lower sidebands in the FM video signal and a control section for controlling the variable equalizer in accordance with an output of the comparator section.