ClassID:

198627

G11B19/2054 - CPC Classification

Classification description:

Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head; Driving; Starting; Stopping; Control thereof Spindle motor power-up sequences

Recent Application in this class:
#1
20240379123
2024-11-14

Enhancing spin up and spin down times for data storage devices

#2
20240096376
2024-03-21

Disk device

#3
20230298625
2023-09-21

Spindle motor and hard disk drive device

#4
20230142716
2023-05-11

Dual spindle motor hard disk drive

#5
20210383833
2021-12-09

Magnetic disk device and method for measuring counter electromotive voltage of spindle motor

#6
20200225733
2020-07-16

Write data protection at emergency power off

#7
20190206436
2019-07-04

Motor spin up with auxiliary power boost

#8
20170126155
2017-05-04

Motor driving device and motor system

#9
20160365109
2016-12-15

Speed control of data storage device using service controller

#10
20160329077
2016-11-10

Motor spin up with auxiliary power boost

#11
20160246345
2016-08-25

Device with power control feature involving backup power reservoir circuit

#12
20160218647
2016-07-28

Method for current control and corresponding system and apparatus

#13
20160049172
2016-02-18

ENERGY TRANSFER BETWEEN DATA STORAGE DEVICES WITH MOVING PARTS

#14
20150380045
2015-12-31

DISK DRIVE WITH IMPROVED SPIN-UP CONTROL

#15
20140376125
2014-12-25

CONTROL SYSTEM FOR HARD DISKS

#16
20140313611
2014-10-23

Control circuit for hard disk drive

#17
20140268402
2014-09-18

Methods and systems for optimized staggered disk drive spinup

#18
20140160909
2014-06-12

Optical disk drive and start-up operating method thereof

#19
20140015458
2014-01-16

Method and system for controlling a motor

#20
20130290742
2013-10-31

DRIVING SYSTEM AND METHOD FOR A PORTABLE 3.5 INCH EXTERNAL HARD DISK WITHOUT USING AN EXTERNAL POWER

#21
20130166933
2013-06-27

Method for waking up a plurality of hibernated mass storage devices

#22
20120250179
2012-10-04

Storage system, storage control apparatus, and storage control method

#23
20120005469
2012-01-05

Electronic device capable of starting up in low-temperature environment and startup method thereof

#24
20110231674
2011-09-22

INDEPENDENT DRIVE POWER CONTROL

#25
20110063750
2011-03-17

SYSTEM AND METHOD TO CONTROL SPIN-UP OF STORAGE DEVICE

#26
20100332863
2010-12-30

Device with power control feature involving backup power reservoir circuit

#27
20100309575
2010-12-09

Hard disk driving circuit and method of driving spindle motor

#28
20100284106
2010-11-11

Operation control apparatus, operation control method, operation control program controlling operation of magnetic disc device

#29
20100278024
2010-11-04

Optical disc drive and hibernation recovery method for an optical disc drive

#30
20090300374
2009-12-03

Storage apparatus and start-up control method for the same

#31
20090195923
2009-08-06

Heat assisted spindle motor

#32
20090195910
2009-08-06

Storage device and method of controlling spindle motor of storage device

#33
20090189556
2009-07-30

Motor drive device and semiconductor integrated circuit device

#34
20090059978
2009-03-05

Laser diode control method, laser diode control device, and information recording/playback apparatus

#35
20090015186
2009-01-15

Suppressing phased motor voltage transients on disconnect

#36
20080310827
2008-12-18

Information reproduction device, reproduction starting method and reproduction starting program

#37
20080151411
2008-06-26

Startup processing method for medium storage device, controller for medium storage device, and medium storage device

#38
20080143282
2008-06-19

Inductive sense spindle start algorithm

#39
20080100243
2008-05-01

Drive control device of motor and a method of start-up

#40
20080094745
2008-04-24

Playback equipment and supplying method in playback equipment

#41
20080062555
2008-03-13

Method of starting the magnetic disk device using fluid dynamic bearing spindle motor

#42
20080037164
2008-02-14

ADAPTIVE SPINDLE MOTOR STARTUP METHOD AND DISK DRIVE USING THE SAME

#43
20070229004
2007-10-04

Motor driving apparatus, motor driving method and disk driving apparatus

#44
20070070539
2007-03-29

Method and apparatus for controlling motor rotation in hard disk drive

#45
20070058279
2007-03-15

Staggered spin-up disable mechanism

#46
20060080483
2006-04-13

Disk device for serial communication and method of controlling the same

#47
20050201000
2005-09-15

Sensing a prior transducer position by a motion pattern

#48
20050200999
2005-09-15

Floppy disk control circuit and floppy disk apparatus

#49
20050179410
2005-08-18

Method for controlling start of adaptive spindle motor and disk drive using the method

#50
20050154962
2005-07-14

Method and system to spin up a hard disk prior to a hard disk data exchange request

#51
20050151499
2005-07-14

Data storage device, motor control device, and motor control method

#52
20050099148
2005-05-12

Motor acceleration using continuous sequence of current limit values

#53
17090684
2022-02-22

Variable hard disc drive idle spindle speeds within a disc array

#54
16537311
2020-08-11

Magnetic disk device having coupling observers for reducing coupling issues between independently running multi-actuators

#55
15956990
2019-03-26

Data storage device regulating BEMF power voltage during power failure

#56
15494716
2020-04-28

Write data protection at emergency power off

#57
14537363
2015-06-16

Power architecture for low power modes in storage devices

#58
14492357
2015-08-04

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

#59
14480566
2015-09-29

Disk drive with improved spin-up control