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:
Apr. 30, 1991
Filed:
Feb. 22, 1990
Applicant:
Inventor:
Yositeru Kosaka, Zushi, JP;
Assignee:
Victor Company of Japan, Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; H04N / ;
U.S. Cl.
CPC ...
360 61 ; 360 143 ; 358311 ;
Abstract
A switching circuit built in a record/playback mode switching circuit of a video tape recorder. Compulsory local overwriting can be executed while the playback of a recorded magnetic tape is under way. This allows characters, graphic information, VITC signal or similar multiplex signal carrying desired information to be recorded in the same manner as postrecording in a recorded magnetic tape which is being played back.