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. 29, 1985
Filed:
Oct. 20, 1985
Applicant:
Inventors:
Yosinobu Imada, Yokohama, JP;
Akio Nakashima, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; G11B / ;
U.S. Cl.
CPC ...
358342 ; 358907 ; 369 43 ;
Abstract
A video disc player comprising an arm servo system having means for driving a pickup arm with a cartridge mounted thereon to move in parallel with the surface of a disc, and a kicker drive system for driving a stylus tip mounted on the cartridge to be kicked on the basis of the information from a picture signal processing circuit of the pickup upon special reproduction, wherein when the width of a kicker drive pulse in the kicker drive system exceeds a predetermined value, the drive means of the arm servo system is driven to change the balance position of the stylus tip on the surface of the disc.