Access to indexed tracks or parts of continuous track

Industry

CPC
G11B21/081

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B21/00Head arrangements not specific to the method of recording or reproducing

Current Industry

G11B21/081Access to indexed tracks or parts of continuous track

Industries

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk device and write processing method
- Patent number 10,650,860
- Issue date May 12, 2020
- Kabushiki Kaisha Toshiba
- Nobuhiro Maeto
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproduction apparatus, reproduction method and reproduction program
- Patent number 7,701,810
- Issue date Apr 20, 2010
- Sony Corporation
- Nobuhiko Ohguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Data card with a full circular track for alignment and amplitude ca...
- Patent number 6,934,098
- Issue date Aug 23, 2005
- DCARD, Inc.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for playing back recording medium
- Patent number 6,928,037
- Issue date Aug 9, 2005
- Robert Bosch GmbH
- Jens Maier
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control method using information of a table of contents of a...
- Patent number 6,807,132
- Issue date Oct 19, 2004
- LG Electronics Inc.
- Hyo Jun Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Data access device implemented with open and closed control loops t...
- Patent number 6,775,080
- Issue date Aug 10, 2004
- Dcard, Inc.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital servo control system for a hard disc drive using a voice co...
- Patent number 6,751,043
- Issue date Jun 15, 2004
- Texas Instruments Incorporated
- David P. Magee
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc reproducing system
- Patent number 6,751,174
- Issue date Jun 15, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yorio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic data card servo writer
- Patent number 6,728,059
- Issue date Apr 27, 2004
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Positioning of a recording head for a data storage device
- Patent number 6,588,671
- Issue date Jul 8, 2003
- Dcard, Inc.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Servo control apparatus and method using absolute value input signals
- Patent number 6,545,836
- Issue date Apr 8, 2003
- Acorn Technologies, Inc.
- Petros A. Ioannou
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo-sector arrangement over several data arcs for a rotational he...
- Patent number 6,545,831
- Issue date Apr 8, 2003
- Dcard, Inc.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detection of pulse peak instance and amplitude in a storage drive
- Patent number 6,529,460
- Issue date Mar 4, 2003
- Seagate Technology LLC
- Karl A. Belser
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage card
- Patent number 6,502,755
- Issue date Jan 7, 2003
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pulse shaping for a transformer coupled read/write recording device
- Patent number 6,499,659
- Issue date Dec 31, 2002
- Dcard, Inc.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Field ratioing demodulation circuit for a null-type servo pattern
- Patent number 6,469,849
- Issue date Oct 22, 2002
- Seagate Technology LLC
- Timothy F. Ellis
- G11 - INFORMATION STORAGE
Information Patent Grant
Asynchronous analog demodulator and method for a null-type servo pa...
- Patent number 6,426,845
- Issue date Jul 30, 2002
- Seagate Technology LLC
- Alexei H. Sacks
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic data card servo writer
- Patent number 6,417,980
- Issue date Jul 9, 2002
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital servo control system for use in disk drives
- Patent number 6,347,018
- Issue date Feb 12, 2002
- Rodime PLC
- Ronald James Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data card servo writer
- Patent number 6,339,569
- Issue date Jan 15, 2002
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical data access system with data card reader having a single ro...
- Patent number 6,311,893
- Issue date Nov 6, 2001
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic data storage card
- Patent number 6,307,709
- Issue date Oct 23, 2001
- Dcard, Inc.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and systems for self-servowriting including maintaining a r...
- Patent number 6,301,071
- Issue date Oct 9, 2001
- International Business Machines Corporation
- Timothy Joseph Chainer
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and systems for self-servowriting including maintaining a r...
- Patent number 6,249,399
- Issue date Jun 19, 2001
- International Business Machines Corporation
- Timothy Joseph Chainer
- G11 - INFORMATION STORAGE
Information Patent Grant
Asynchronous digital demodulator and method for a null-type servo p...
- Patent number 6,243,224
- Issue date Jun 5, 2001
- Seagate Technology LLC
- Alexei H. Sacks
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus utilizing field ratioing demodulation techniqu...
- Patent number 6,195,220
- Issue date Feb 27, 2001
- Seagate Technology LLC
- Timothy F. Ellis
- G11 - INFORMATION STORAGE
Information Patent Grant
Extended position error signal linearization and normalization
- Patent number 6,188,539
- Issue date Feb 13, 2001
- Seagate Technology LLC
- Mark Lowell Elliot
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive system having hybrid analog/digital pulse peak instance/...
- Patent number 6,185,174
- Issue date Feb 6, 2001
- Seagate Technology LLC
- Karl A. Belser
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and systems for self-servowriting including maintaining a r...
- Patent number 6,101,063
- Issue date Aug 8, 2000
- International Business Machines Corporation
- Timothy Joseph Chainer
- G11 - INFORMATION STORAGE
Information Patent Grant
Active control for stabilizing a servo-controlled actuator system
- Patent number 6,064,540
- Issue date May 16, 2000
- International Business Machines Corporation
- Fu-Ying Huang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Reproduction apparatus, reproduction method and reproduction program
- Publication number 20070053247
- Publication date Mar 8, 2007
- Sony Corporation
- Nobuhiko Ohguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Electronic apparatus having a cylindrical storage device
- Publication number 20070030792
- Publication date Feb 8, 2007
- Chi-Hung Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic data card servo writer
- Publication number 20020186495
- Publication date Dec 12, 2002
- DCARD, INC.
- Jeffrey F. Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data card with a full circular track for alignment and amplitude ca...
- Publication number 20020138808
- Publication date Sep 26, 2002
- DCARD, INC.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital servo control system for a hard disc drive using a voice co...
- Publication number 20020114098
- Publication date Aug 22, 2002
- David P. Magee
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DATA CARD READER SYSTEM
- Publication number 20020104882
- Publication date Aug 8, 2002
- JEFFREY F. LIU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Head for automatic toothbrushes
- Publication number 20020095734
- Publication date Jul 25, 2002
- Man-Kwan Wong
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DATA STORAGE CARD
- Publication number 20020014534
- Publication date Feb 7, 2002
- JEFFREY F. LIU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Positioning of a recording head for a data storage device
- Publication number 20020005432
- Publication date Jan 17, 2002
- DCARD, INC.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC DATA CARDREADER SYSTEM
- Publication number 20010052543
- Publication date Dec 20, 2001
- JEFFREY F. LIU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data access device implemented with open and closed control loops t...
- Publication number 20010033446
- Publication date Oct 25, 2001
- DCARD, INC.
- Francis K. King
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and systems for self-servowriting including maintaining a r...
- Publication number 20010009484
- Publication date Jul 26, 2001
- International Business Machines Corporation
- Timothy J. Chainer
- G11 - INFORMATION STORAGE

Access to indexed tracks or parts of continuous track

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic disk device and write processing method

Reproduction apparatus, reproduction method and reproduction program

Data card with a full circular track for alignment and amplitude ca...

Method for playing back recording medium

Servo control method using information of a table of contents of a...

Data access device implemented with open and closed control loops t...

Digital servo control system for a hard disc drive using a voice co...

Disc reproducing system

Magnetic data card servo writer

Positioning of a recording head for a data storage device

Servo control apparatus and method using absolute value input signals

Servo-sector arrangement over several data arcs for a rotational he...

Detection of pulse peak instance and amplitude in a storage drive

Optical data storage card

Pulse shaping for a transformer coupled read/write recording device

Field ratioing demodulation circuit for a null-type servo pattern

Asynchronous analog demodulator and method for a null-type servo pa...

Magnetic data card servo writer

Digital servo control system for use in disk drives

Optical data card servo writer

Optical data access system with data card reader having a single ro...

Magnetic data storage card

Methods and systems for self-servowriting including maintaining a r...

Methods and systems for self-servowriting including maintaining a r...

Asynchronous digital demodulator and method for a null-type servo p...

Method and apparatus utilizing field ratioing demodulation techniqu...

Extended position error signal linearization and normalization

Disk drive system having hybrid analog/digital pulse peak instance/...

Methods and systems for self-servowriting including maintaining a r...

Active control for stabilizing a servo-controlled actuator system

Patents Applicationslast 30 patents

Reproduction apparatus, reproduction method and reproduction program

Electronic apparatus having a cylindrical storage device

Magnetic data card servo writer

Data card with a full circular track for alignment and amplitude ca...

Digital servo control system for a hard disc drive using a voice co...

OPTICAL DATA CARD READER SYSTEM

Head for automatic toothbrushes

OPTICAL DATA STORAGE CARD

Positioning of a recording head for a data storage device

MAGNETIC DATA CARDREADER SYSTEM

Data access device implemented with open and closed control loops t...

Methods and systems for self-servowriting including maintaining a r...