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. 05, 1996
Filed:
Aug. 03, 1995
Applicant:
Inventors:
Hiroshi Nakane, Yokohama, JP;
Taiji Inomata, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 4428 ; 369 4432 ;
Abstract
In a disk reproducing device of this invention for reading out data from a disk by means of a pickup element, a speed signal proportional to the speed of relative movement between the disk and the pickup element is created in a case where the pickup element is moved in the radial direction of the disk according to a high frequency signal (RF) read out from the disk and a tracking error signal (TE) derived from the high frequency signal (RF).