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:
Oct. 08, 1985
Filed:
Mar. 04, 1982
Yoshihiro Morioka, Atsugi, JP;
Hiroyuki Sugimoto, Atsugi, JP;
Sony Corporation, Tokyo, JP;
Abstract
In a multi-tube image pick-up apparatus, such as, a color television camera, having image pick-up tubes of the electro-magnetic focusing type with their respective focusing coils connected in series with each other for minimizing the power consumption thereof; a main focus current control circuit is connected in series with the series-connected focusing coils for controlling a main focus current so as to maintain an adjustably predetermined value thereof, and individual focus current control circuits respectively corresponding to the image pick-up tubes are connected in parallel with the respective focusing coils for controlling the individual focus current flowing through each of the focusing coils without influencing the individual focus currents through the other coils.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile