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. 11, 2003
Filed:
Sep. 28, 1999
Fujio Kanai, Kanagawa, JP;
Koji Takahashi, Kanagawa, JP;
Hitoshi Saito, Kanagawa, JP;
Yutaka Soda, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A magnetic head device in which magnetic head elements can follow the signal recording surface of the first or second magnetic disc . To this end, the magnetic head device includes a head unit for recording/reproducing information signals for the first or second magnetic disc , and a supporting arm having a first portion for supporting said head portion, a second portion mounted on a supporting arm holding portion and a third portion interconnecting said first and second portions and . The first to third portions to of the supporting arm are of different shapes so as to have different physical properties to follow the first or second magnetic disc under a desired condition.