Title:
TRAINING METHOD FOR EQUALIZER FOR RECORDING MEDIUM REPRODUCTION, AND RECORDING MEDIUM REPRODUCING DEVICE
Document Type and Number:
Japanese Patent JP3852772
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for effectively controlling the gain of an equalizer and a phase delay amount in a training operation for the equalizer of the medium reading signal of a hard disk device.
SOLUTION: A coefficient updating vector for updating a coefficient vector constituted of a multiplication coefficient for each tap of the equalizer is controlled to be a plane vertical to the coefficient vector.
Inventors:
Masaru Sawada
▲高▼津 求
Takao Sugawara
▲高▼津 求
Takao Sugawara
Application Number:
JP2002348790A
Publication Date:
December 06, 2006
Filing Date:
November 29, 2002
Export Citation:
Assignee:
富士通株式会社
International Classes:
G11B20/10; G11B7/00; H03H17/02; H03H21/00; (IPC1-7): G11B20/10; H03H17/02; H03H21/00
Domestic Patent References:
| JP10921118A | ||||
| JP9231506A | ||||
| JP2001351338A | ||||
| JP914337A | ||||
| JP6231539A | ||||
| JP63244924A | ||||
| JP2002208141A | ||||
| JP7297729A | ||||
| JP7302467A |
Attorney, Agent or Firm:
Tadahiko Ito
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