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:
Mar. 16, 2004
Filed:
Feb. 20, 2001
Applicant:
Inventor:
Akira Osaki, Odawara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/02 ;
U.S. Cl.
CPC ...
G11B 5/02 ;
Abstract
A head suspension assembly has an arm supported so as to rotate, an elastically flexible suspension having one end which is fixed to an end of the arm and the other end has a magnetic head mounted thereon, and a signal transmission line fixed on the suspension and the arm which connects the magnetic head with a main FPC. A head amplifier which transmits and receives signals to and from the magnetic head, and a nonvolatile memory which stores optimized control parameters of the magnetic head and the head amplifier, are mounted together on the head suspension assembly; and, the head amplifier and the nonvolatile memory are electrically connected to the signal transmission