Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2007-10-30
2007-10-30
Korzuch, William (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S044250
Reexamination Certificate
active
10778078
ABSTRACT:
A driver IC1has a bias terminal20avia which a bias voltage fed from a microcomputer2to drive and control a loading motor4is fed in and a bias terminal20bvia which a bias voltage fed from a DSP3to drive and control a focus coil5, a tracking coil6, a sled motor7, and a spindle motor8is fed in.
REFERENCES:
patent: 5534758 (1996-07-01), Yamamoto et al.
patent: 6282162 (2001-08-01), Tobita et al.
patent: 6426873 (2002-07-01), Minase et al.
patent: 11-283309 (1999-10-01), None
patent: 2000-207807 (2000-07-01), None
Nakamachi Nobuo
Niiyama Kenichi
Takagimoto Shinsuke
Tanaka Yoshiki
Yamamoto Seiichi
Goma Tawfik
Rohm & Co., Ltd.
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