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:
Jul. 09, 1996
Filed:
Oct. 06, 1993
Applicant:
Inventors:
Noriaki Kamioka, Saitama-ken, JP;
Akio Hoshi, Saitama-ken, JP;
Assignee:
Canon Denshi Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360106 ; 369223 ;
Abstract
A head driving device comprises a head arranged to record or reproduce information on or from a rotating disk-shaped recording medium, a head carriage arranged to carry the head and to be movable in a radial direction of the recording medium, a guide bar arranged to movably support the head carriage, a lead screw arranged to drive the head carriage, a motor arranged to drive and rotate the lead screw, and a plurality of lead pins fixed to the head carriage and arranged to engage a lead groove formed in the lead screw.