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. 10, 1981
Filed:
Mar. 10, 1980
Kazuo Kawamura, Yokohama, JP;
Tokyo Shibaura Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
In a television camera device, in which a camera head and a camera control unit for processing the video signal output from the camera head and also transmitting camera head control signals to the camera head are connected together by a camera cable, a voltage obtained by full-wave rectifying a single-phase AC is supplied from the camera control unit through the camera cable to the camera head, and in the camera head an AC voltage is produced from the full-wave rectified voltage for using the AC voltage as a drive source for a lens servo-system of the camera head.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile