Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2006-01-12
2008-05-06
Tzeng, Fred F. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
Reexamination Certificate
active
07369346
ABSTRACT:
A charge and discharge controller causes an capacitor to be charged by a power supply to a disk drive, and causes the capacitor to discharge when a power supply monitor detects the interruption of power to the disk drive. Upon detection of the interruption of power, an SPM controller supplies a current to an SPM using the discharge of the capacitor. Upon detection of the interruption of power, a retract controller supplies a current to a VCM using the discharge of the capacitor, thereby performing retract control for retracting the head to a ramp.
REFERENCES:
patent: 4786995 (1988-11-01), Stupeck et al.
patent: 4831469 (1989-05-01), Hanson et al.
patent: 4866554 (1989-09-01), Stupeck et al.
patent: 5495372 (1996-02-01), Bahlmann et al.
patent: 5729399 (1998-03-01), Albrecht et al.
patent: 6025968 (2000-02-01), Albrecht
patent: 6140784 (2000-10-01), Mazda
patent: 6141173 (2000-10-01), Kitazaki et al.
patent: 6236527 (2001-05-01), Uchiike et al.
patent: 6285521 (2001-09-01), Hussein
patent: 6594102 (2003-07-01), Kanda et al.
patent: 6747832 (2004-06-01), Kisaka et al.
patent: 6765746 (2004-07-01), Kusumoto
patent: 6859340 (2005-02-01), Brittner et al.
patent: 6937429 (2005-08-01), Yoshida et al.
patent: 7046424 (2006-05-01), Matsuda
patent: 7133242 (2006-11-01), Fujii et al.
patent: 06-028764 (1994-02-01), None
patent: 2002-298530 (2002-10-01), None
Australian Search Report dated Oct. 18, 2006 for Singapore Appln. No. 200507878-7.
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