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. 09, 1987
Filed:
May. 20, 1985
Applicant:
Inventor:
David R Rodal, Palo Alto, CA (US);
Assignee:
Ampex Corporation, Redwood City, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; H04N / ;
U.S. Cl.
CPC ...
360 70 ; 358311 ; 358314 ; 358321 ; 358327 ; 358336 ; 358338 ; 360 141 ; 360 381 ; 360 73 ;
Abstract
A synthetic control track signal is provided for a magnetic video tape recording and/or reproducing machine having a motor driven capstan and capstan servo which controls the speed of the tape during recording and reproducing. The synthetic signal enables the capstan servo to operate when the control track signal has not been recorded or has been improperly recorded. The synthetic signal is generated from vertical synchronization information extracted from the video information extracted signal.