ClassID:

197860

G11B5/5573 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Disposition or mounting of heads relative to record carriers with provision for moving the head into or out of its operative position or across tracks; Track change, selection or acquisition by displacement of the head across disk tracks details of specially adapted mobile parts, e.g. electromechanical control devices Details of the magnetic circuit, e.g. of actuators

Recent Application in this class:
#1
20250182794
2025-06-05

MITIGATING OXYGEN DEPLETION IN SEALED ENCLOSURE HEAT ASSISTED MAGNETIC RECORDING DISK DRIVES

#2
20250095676
2025-03-20

DISK DEVICE

#3
20240274159
2024-08-15

Extended center stiffener plate for improved structural dynamics of actuators in a multi-actuator hard disk drive

#4
20240212707
2024-06-27

In-situ install of cross-flux magnet in voice coil motor actuator

#5
20240105222
2024-03-28

Center structure having attachment support for an actuator in a multi-actuator hard disk drive

#6
20230386513
2023-11-30

Data storage device having dual actuators and method for emergency power off retract (EPOR) of dual actuators

#7
20230335158
2023-10-19

Sector metrics to estimate health of written data

#8
20230326485
2023-10-12

Data storage device having dual actuators and method for emergency power off retract (EPOR) of dual actuators

#9
20230317107
2023-10-05

Reducing noise in back EMF sensing for data storage

#10
20230078768
2023-03-16

Magnetic disk device stored trace data of the read/write processing

#11
20230073158
2023-03-09

Magnetic disk device and method for switching bias voltage and drive voltage of microactuator

#12
20220213876
2022-07-07

Shape memory alloy based actuator latch

#13
20220084548
2022-03-17

Data storage device using windowed delta-sigma analog-to-digital converter in digital current control loop

#14
20220084547
2022-03-17

Magnetic disk device and information management method

#15
20210280210
2021-09-09

Magnetic disk device

#16
20210256997
2021-08-19

Hard disk drive having dual micro-actuators on carriage arms

#17
20210082460
2021-03-18

Data storage device coupling/decoupling actuator arm to/from an actuator

#18
20210020194
2021-01-21

Axial flux permanent magnet motor for ball screw cam elevator mechanism for reduced-head hard disk drive

#19
20210012796
2021-01-14

Hard disk drive having dual micro-actuators on carriage arms

#20
20200294541
2020-09-17

MAGNETIC DISK DEVICE AND HEAD SEEK CONTROL METHOD

#21
20200286527
2020-09-10

Magnetic disk device

#22
20200286512
2020-09-10

Data storage device coupling/decoupling actuator arm to/from an actuator

#23
20200286509
2020-09-10

Disk device having head-support arms with reduced thickness regions that overlie disk regions when in a parked state

#24
20200265868
2020-08-20

Magnet for motor of magnetic storage device

#25
20190333533
2019-10-31

Assembly that enables reduction in disk to disk spacing

#26
20190287558
2019-09-19

Disk apparatus and dual actuator assembly having a wiring board with a bent connection portion

#27
20180130493
2018-05-10

Bimodal modulation

#28
20170309304
2017-10-26

HARDWARE BASED CROSSTALK REDUCTION FOR HARD DISK DRIVES

#29
20160217821
2016-07-28

Bimodal modulation

#30
20160180878
2016-06-23

Arrangement for rotatably driving a round disk

#31
20160064016
2016-03-03

Determining oscillation characteristic for high-frequency assisted magnetic recording device

#32
20150262599
2015-09-17

Semiconductor integrated circuit and operating method for the same

#33
20150154994
2015-06-04

Hard disk drive actuator assembly with interleaved voice coil motor

#34
20130163114
2013-06-27

BASE ASSEMBLY FOR MOTOR AND HARD DISK DRIVE INCLUDING THE SAME

#35
20120170155
2012-07-05

Magnetic disk device

#36
20120162827
2012-06-28

Voice-coil motor with voice coils configured oriented in the same direction and substantially overlayed to reduce head vibrations in a disk drive

#37
19035451
2025-12-09

Magnetic disk device and method of controlling the same

#38
18939059
2025-11-18

Hard disk drive voice coil motor actuator with low-density wire coil and high-density coil stiffener

#39
18893326
2025-10-28

Digital-filter engine with pre-compute of output

#40
18596440
2025-07-15

Servo interface circuitry for parallel self-servo write

#41
17479679
2022-11-01

Ball bearing cartridge for linear actuator

#42
17357799
2022-11-22

Reducing the effect of actuator cross-coupling in split actuator drives

#43
17184550
2021-12-28

Embedded tape reel lock mechanism for tape embedded storage drive

#44
17163983
2022-05-31

Movable ramp with arm engaging bracket for an elevator drive on a magnetic disc recording device

#45
17139032
2022-03-29

Calibration of multi-stage servo system

#46
16798682
2020-09-22

Data storage device bank writing servo sectors for interleaved servo control processing

#47
16583832
2020-07-14

Data storage device capable of overriding a servo command to avoid an overcurrent condition

#48
16537311
2020-08-11

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

#49
14607671
2016-02-02

Bimodal modulation