Information reproduction apparatus, information carrier, and information recording apparatus

Method and apparatus for head control, and disk-drive apparatus

Motor control system having output clamp function and method of the same

Optical disc apparatus

Motor control apparatus, disk apparatus and acceleration detection device

Method for detecting stable rotation speed of a spindle motor, and optical disc drive that performs the method

Rotational position detector and recording-reproducing unit utilizing the same

Disk drive having reduced variation of disk surface lubricant layer thickness

Optical information recording method, optical information recording equipment and optical information recording medium

Motor drive device and integrated circuit device for motor driving

Motor driving apparatus and disk apparatus using the same

Wobble signal demodulation circuit and optical disk apparatus

Systems for limiting channel control values to thereby improve servo-demodulation robustness

Optical disk drive modified for speed and orientation tracking

Sensing media speed

Optical disk device, optical disk reproducing method, and optical disk

Optical disk drive and method of controlling spindle motor thereof

Method for controlling rotation speed of an optical storage device

Optical disc device for recording different types of optical discs and data recording method for optical disc device

METHOD FOR PROTECTING A PICKUP HEAD FROM TEMPERATURE VARIATION

Disk apparatus

Method and system for reducing power consumption in a rotatable media data storage device

Optical disk apparatus and optical disk processing method

Method of vertical deviation disc detection

Rotation control device, method thereof, program thereof, recording medium storing the program, and information processing apparatus

Motor driver

Voltage slew control of fine actuators during discharge

Head velocity derating for data storage devices including disk media

Reducing peak power consumption in a multi-actuator hard disk drive

Variable hard disc drive idle spindle speeds within a disc array

Data storage cartridge with magnetic head-disc interface (HDI)

DJ control disc configuration optimized for DJ performance

Variable speed data storage device testing system

Configurable storage drive

Method to detect power loss through data storage device spindle speed

Data storage device optimizing spindle motor power when transitioning into a power failure mode

Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration

Data storage device dynamically reducing coast velocity during seek to reduce power consumption

Data storage device commutating a spindle motor using closed-loop rotation phase alignment

Disk drive with improved spin-up control

Wireless communication device to synchronize data transfer rates

Apparatus enabling writing servo data when disk reaches target rotation speed

Data storage device periodically re-initializing spindle motor commutation sequence based on timing data

Data storage device reducing spindle motor voltage boost during power failure

Data storage device employing sliding mode control of spindle motor

Electronic system with current conservation mechanism and method of operation thereof

Method and device for increased pull-in range of a timing recovery circuit for storage devices

Thermal control of a storage device receiving a limited amount of power

Disk drive logging failure analysis data when performing an emergency unload