High Speed Flexible Optical Disk with Cylindrically Concaved Stabilizer

2007 ◽  
Vol 46 (6B) ◽  
pp. 3750-3754 ◽  
Author(s):  
Yasutomo Aman ◽  
Nobuaki Onagi ◽  
Shozo Murata ◽  
Yasunori Sugimoto ◽  
Daiichi Koide ◽  
...  
Keyword(s):  
High Speed ◽  
Optical Disk

Control System for Suppressing Tracking Error Offset and Multiharmonic Disturbance in High-Speed Optical Disk Systems

2012 ◽  
Vol 132 (3) ◽  
pp. 347-356 ◽  
Author(s):  
Yuta Nabata ◽  
Tatsuya Nakazaki ◽  
Tokoku Ogata ◽  
Kiyoshi Ohishi ◽  
Toshimasa Miyazaki ◽  
...  
Keyword(s):  
Control System ◽  
High Speed ◽  
Tracking Error ◽  
Optical Disk

scholarly journals Achievement Method of High-Speed Response of Error Prediction Tracking Control for Optical Disk System

2007 ◽  
Vol 127 (9) ◽  
pp. 942-949 ◽  
Author(s):  
Toru Hayano ◽  
Isao Shibutani ◽  
Kiyoshi Ohishi ◽  
Toshimasa Miyazaki ◽  
Daiichi Koide ◽  
...  
Keyword(s):  
Tracking Control ◽  
High Speed ◽  
Optical Disk ◽  
Error Prediction ◽  
Disk System ◽  
Speed Response

High Speed Access Mechanism For 90mm 1 " Height Optical Disk Drive

2005 ◽  
Author(s):  
T. Takizawa ◽  
M. Shinoda ◽  
K. Wakabayashi ◽  
K. Takamine ◽  
Y. Ikawa ◽  
...  
Keyword(s):  
High Speed ◽  
Disk Drive ◽  
Optical Disk ◽  
Optical Disk Drive

Focusing control system for suppressing multi-harmonic disturbances in high speed optical disk systems

2012 ◽  
Author(s):  
Tatsuya Nakazaki ◽  
Tokoku Ogata ◽  
Kiyoshi Ohishi ◽  
Toshimasa Miyazaki ◽  
Daiichi Koide ◽  
...  
Keyword(s):  
Control System ◽  
High Speed ◽  
Optical Disk

High-Speed Tracking Control System for Broadcast-Use Optical Disk Drive

2006 ◽  
Vol 45 (2B) ◽  
pp. 1187-1192 ◽  
Author(s):  
Daiichi Koide ◽  
Haruki Tokumaru ◽  
Kiyoshi Ohishi ◽  
Kazuyoshi Kuramochi ◽  
Toshimasa Miyazaki
Keyword(s):  
Control System ◽  
Tracking Control ◽  
High Speed ◽  
Disk Drive ◽  
Optical Disk ◽  
Optical Disk Drive ◽  
Speed Tracking ◽  
Speed Tracking Control

Observation and simulation of 0.3 mu m length domain on a high speed rotating magneto-optical disk

1990 ◽  
Vol 26 (5) ◽  
pp. 1912-1914 ◽  
Author(s):  
M. Takahashi ◽  
H. Sukeda ◽  
S. Okamine ◽  
Y. Suzuki ◽  
M. Ojima ◽  
...  
Keyword(s):  
High Speed ◽  
Optical Disk

High-Speed Gap Servo Control for Solid-Immersion-Lens-Based Near-Field Recording System with a Flexible Optical Disk

2011 ◽  
Vol 50 (9S1) ◽  
pp. 09MC04 ◽  
Author(s):  
Hyunwoo Hwang ◽  
Jung-Gon Kim ◽  
Ki Wook Song ◽  
Kyoung-Su Park ◽  
No-cheol Park ◽  
...  
Keyword(s):  
High Speed ◽  
Near Field ◽  
Optical Disk ◽  
Recording System ◽  
Servo Control ◽  
Solid Immersion Lens ◽  
Field Recording

Focusing Actuator for Magneto-optical Disk Drives

1993 ◽  
Vol 5 (4) ◽  
pp. 326-331
Author(s):  
Junichi Ichihara ◽  
◽  
Koichi Tezuka ◽  
Akihiko Makita
Keyword(s):  
High Speed ◽  
Hard Disk Drives ◽  
Higher Order ◽  
Optical Disk ◽  
Leaf Spring ◽  
Disk Drives ◽  
Mechanical Resonance ◽  
High Speed Rotation ◽  
Speed Rotation ◽  
And Performance

Magneto-optical disk drives have some disadvantages compared with hard disk drives such as low access speed and low data rate. A small-light optical head and high speed rotation of the drive would improve the performance , as well as achieving over write. This paper details the development of a small-light focusing actuator, which can be used in high speed rotation of disks and make optical heads small and thin. It discusses the actuator suspension which raises the frequencies of higher order mechanical resonance. It also includes a parallel leaf spring suspension with the visco-elastic damping layer. It experimentally evaluates the vibration characteristics. Results show that the frequencies of higher order mechanical resonance are above 50kHz. The actuator is driven by a novel moving coil motor which makes the moving part thin and stiff. This paper describes the design and performance of the motor.

High-Speed Tracking Control System for Broadcast-Use Optical Disk Drive

2005 ◽  
Author(s):  
Daiichi Koide ◽  
Haruki Tokumaru ◽  
Kiyoshi Ohishi ◽  
Kazuyoshi Kuramochi ◽  
Toshimasa Miyazaki
Keyword(s):  
Control System ◽  
Tracking Control ◽  
High Speed ◽  
Disk Drive ◽  
Optical Disk ◽  
Optical Disk Drive ◽  
Speed Tracking ◽  
Speed Tracking Control
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