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. 16, 1990
Filed:
Oct. 04, 1989
Applicant:
Inventors:
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; H04N / ;
U.S. Cl.
CPC ...
369215 ; 369219 ; 369 33 ; 369 32 ; 358342 ;
Abstract
A slider control device in a disk player wherein normal speed information in each operation; mode of the slider, holding a pickup, is stored in a memory beforehand and the moving speed of the slider in each operation mode is detected and compared with the normal speed. The driving source of the slider is controlled according to the result of comparison. With this arrangement, even when the slider is driven at a high speed using, for example, a linear motor as a driving source for the slider, it is possible to execute secure speed control.