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:
May. 09, 1995
Filed:
Sep. 15, 1993
Applicant:
Inventors:
Ragnar Lian, Vettre, NO;
Lars Simonsen, Osteras, NO;
Assignee:
Tandberg Data Storage A/S, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360106 ; 360109 ;
Abstract
A head positioning assembly having a magnet housing and fixed suspension vertically positionable by a worm gear/screw shaft arrangement and further positionable for fine tuning by a magnet mounted within the magnet housing and an electrical coil surrounding the magnet and attached to a head mount structure holding the magnetic head. The head mount structure is fine-tuned, vertically positionable with respect to the magnet housing by magnetic force on the coil induced by select and varying electrical current through the coil.