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:
Nov. 19, 1985
Filed:
Feb. 17, 1983
Kazumitsu Tobe, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A video signal recording apparatus includes apparatus for driving a recording medium; video signal recording apparatus for recording a video signal on the medium; control signal reproducing apparatus for reproducing a control signal recorded on the medium; and signal producing apparatus for producing a first signal which relates to the driven state of the medium. Also included are first control apparatus for controlling the drive apparatus according to a phase difference between the control signal reproduced by the control signal reproducing apparatus and a second signal which relates to a video signal to be recorded on the medium. A second control apparatus controls the signal producing apparatus with the second signal during a period close to a time at which at least the drive apparatus reaches a prescribed stable condition.