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. 09, 1980
Filed:
Oct. 12, 1978
Applicant:
Inventor:
Ryozo Tanaka, Yokohama, JP;
Assignee:
Kabushiki Kaisha n a c, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
360 10 ; 360 35 ;
Abstract
A recording device of a helical-scan type time lapse video recorder comprising a mechanism for making the phase of rotation of the rotary magnetic head and the phase of the horizontal sync signal coincide with each other, and means for allowing the recording of only the frame or field immediately after the coincidence is attained at a constant or a variable time interval. Said mechanism includes means for forcibly imparting an irregularity of rotation to said rotary magnetic head.