Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1998-06-26
2000-08-22
Loomis, Paul
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
G11B 2102
Patent
active
061081574
ABSTRACT:
The invention relates to a head mechanism control apparatus for magnetic recording device which ensures that the transducer head has been unloaded in a head unloading operation. A head slider having a transducer head is mounted on a head arm and is unloaded from the disk by the swinging of the head arm. The retract position is at the limit portion of the swingable range of the head arm. When the head slider is successfully unloaded to the retract position, a drive force applied to the head arm in the unload direction causes little movement of the head arm. After an unloading is performed, a position check drive force is applied to the head arm and the moving speed of the head slider is detected. Based on the moving speed, it is judged whether the head slider has been unloaded to the retract position. If the head slider has not been unloaded to the retract position, re-unloading is performed for moving the head slider to the retract position.
REFERENCES:
patent: 5455723 (1995-10-01), Boutaghou et al.
patent: 5969899 (1995-10-01), Utenick et al.
Ogasawara Kenji
Uchiike Hiroshi
Ueno Shinji
Yoneda Isao
International Business Machines - Corporation
Loomis Paul
Martin Robert B.
Wong K.
LandOfFree
Head mechanism control apparatus, disk drive, and head unload co does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Head mechanism control apparatus, disk drive, and head unload co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Head mechanism control apparatus, disk drive, and head unload co will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-587974