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. 14, 1989
Filed:
May. 11, 1988
Applicant:
Inventor:
Masahiro Yamada, North White Plains, NY (US);
Assignee:
Asahi Research Corporation, North White Plains, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358228 ; 358909 ;
Abstract
A video movie camera system includes a synchronizing arrangement which is switched between stable on and off conditions to control operation of both a light source and recording apparatus during desired time intervals. The system also automatically controls the effective beam angle of a light source in accordance with the adjusted focal length of a zoom lens.