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. 21, 1993
Filed:
Nov. 27, 1990
Applicant:
Inventor:
Susumu Ohtsuka, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; H04N / ;
U.S. Cl.
CPC ...
360 60 ; 360 371 ;
Abstract
A recording or reproducing of an input video signal is prohibited in a recording mode operation when a recording inhibition signal is attached thereto and, when a mode other than the recording mode is set, the video signal of optimum level can be supplied to a television receiver even if the recording inhibition signal is attached to the video signal so that a sufficient monitoring becomes possible.