Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information

Industry

CPC
G11B23/0007

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B23/00Record carriers not specific to the method of recording or reproducing Accessories

Current Industry

G11B23/0007Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for balanced shield shunts, leads and pads for...
- Patent number 7,508,613
- Issue date Mar 24, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Edward Hin Pong Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for balanced shield shunts, leads and pads for...
- Patent number 7,206,154
- Issue date Apr 17, 2007
- Hitachi Global Storage Technologies Netherlands, B.V.
- Edward Hin Pong Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Current to voltage converter amplifier for use in a data reading de...
- Patent number 6,954,407
- Issue date Oct 11, 2005
- Deutsche Thomson-Brandt GmbH
- Guenter Gleim
- G11 - INFORMATION STORAGE
Information Patent Grant
Bidirectional read-while-write data recording system
- Patent number 6,914,756
- Issue date Jul 5, 2005
- Imation Corp.
- Richard W. Molstad
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc storage apparatus
- Patent number 6,903,894
- Issue date Jun 7, 2005
- Hitachi, Ltd.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Common mode termination method and apparatus for a write head
- Patent number 6,671,118
- Issue date Dec 30, 2003
- Seagate Technology LLC
- John S. Putnam
- G11 - INFORMATION STORAGE
Information Patent Grant
Bidirectional read-while-write data recording system
- Patent number 6,542,321
- Issue date Apr 1, 2003
- Imation Corp.
- Richard W. Molstad
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk read/write circuit having core coils of opposite phase
- Patent number 6,473,258
- Issue date Oct 29, 2002
- Hitachi Electronics Engineering Co., Ltd.
- Kenichi Shitara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Disk drive with radially dispersed servo bursts
- Patent number 6,433,950
- Issue date Aug 13, 2002
- Maxtor Corporation
- Bruce Liikanen
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-contact type transmission device and rotary magnetic head unit...
- Patent number 6,429,992
- Issue date Aug 6, 2002
- Sony Corporation
- Tadashi Ozue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read/write head having electromagnetic field cancellation...
- Patent number 6,407,891
- Issue date Jun 18, 2002
- International Business Machines Corporation
- Thomas Young Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing apparatus with rotary drum with magn...
- Patent number 6,304,397
- Issue date Oct 16, 2001
- Sony Corporation
- Tadashi Ozue
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and removable magnetic disk device with electrically se...
- Patent number 6,292,326
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Koji Kodama
- G11 - INFORMATION STORAGE
Information Patent Grant
Echo cancellation for disk drive read circuit
- Patent number 6,256,161
- Issue date Jul 3, 2001
- Agere Systems Guardian Corp.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Head drum for recording and reproducing apparatus
- Patent number 6,246,550
- Issue date Jun 12, 2001
- LG Electronics Inc.
- Ki Sung Mun
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-contact type transmission device and rotary magnetic head unit...
- Patent number 6,243,240
- Issue date Jun 5, 2001
- Sony Corporation
- Tadashi Ozue
- G11 - INFORMATION STORAGE
Information Patent Grant
Reader for a low-flying magnetoresistive sensor
- Patent number 6,239,954
- Issue date May 29, 2001
- Seagate Technology LLC
- Peter Raymond Segar
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier and magnetic disk storage apparatus using the same
- Patent number 6,218,903
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-tapped coil having tapped segments cascaded for amplification...
- Patent number 6,204,998
- Issue date Mar 20, 2001
- Read-Rite Corporation
- Eric R. Katz
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,163,218
- Issue date Dec 19, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with variable-phase servo burst patterns
- Patent number 6,157,511
- Issue date Dec 5, 2000
- Maxtor Corporation
- Bruce Liikanen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/playback apparatus
- Patent number 6,157,508
- Issue date Dec 5, 2000
- TEAC Corporation
- Hiroshi Usami
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated steel return path with actuator support features
- Patent number 6,141,189
- Issue date Oct 31, 2000
- Iomega Corporation
- David E. Jones
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with lateral shielding limbs and a common contact face
- Patent number 6,118,625
- Issue date Sep 12, 2000
- U.S. Philips Corporation
- Richard Heinz
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-element read/write tape head with low feedthrough
- Patent number 6,115,217
- Issue date Sep 5, 2000
- Storage Technology Corporation
- Richard H. Dee
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,114,905
- Issue date Sep 5, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproduced signal processing method, reproduced signal processing c...
- Patent number 6,104,331
- Issue date Aug 15, 2000
- Hitachi, Ltd.
- Yoshiteru Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Offset free thermal asperity T/A detector
- Patent number 6,091,557
- Issue date Jul 18, 2000
- Texas Instruments Incorporated
- Motomu Hashizume
- G11 - INFORMATION STORAGE
Information Patent Grant
EMI noise cancellation in disk drive having MR read head and single...
- Patent number 6,088,235
- Issue date Jul 11, 2000
- Quantum Corporation
- James Chiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and removable magnetic disk device with electrically se...
- Patent number 6,078,465
- Issue date Jun 20, 2000
- Hitachi, Ltd.
- Koji Kodama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus For Balanced Shield Shunts, Leads and Pads For...
- Publication number 20070211373
- Publication date Sep 13, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Edward Hin Pong Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for balanced shield shunts, leads and pads for...
- Publication number 20040057146
- Publication date Mar 25, 2004
- International Business Machines Corporation
- Edward Hin Pong Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Bidirectional read-while-write data recording system
- Publication number 20030151855
- Publication date Aug 14, 2003
- Richard W. Molstad
- G11 - INFORMATION STORAGE
Information Patent Application
Floppy disk drive preventing data errors from occurring on side of...
- Publication number 20020080511
- Publication date Jun 27, 2002
- Alps Electric Co., Ltd.
- Mikio Sekine
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc storage apparatus
- Publication number 20020071199
- Publication date Jun 13, 2002
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
Common mode termination method and apparatus for a write head
- Publication number 20010036028
- Publication date Nov 1, 2001
- John S. Putnam
- G11 - INFORMATION STORAGE

Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for balanced shield shunts, leads and pads for...

Method and apparatus for balanced shield shunts, leads and pads for...

Current to voltage converter amplifier for use in a data reading de...

Bidirectional read-while-write data recording system

Magnetic disc storage apparatus

Common mode termination method and apparatus for a write head

Bidirectional read-while-write data recording system

Magnetic disk read/write circuit having core coils of opposite phase

Disk drive with radially dispersed servo bursts

Non-contact type transmission device and rotary magnetic head unit...

Magnetic read/write head having electromagnetic field cancellation...

Magnetic recording/reproducing apparatus with rotary drum with magn...

Disk device and removable magnetic disk device with electrically se...

Echo cancellation for disk drive read circuit

Head drum for recording and reproducing apparatus

Non-contact type transmission device and rotary magnetic head unit...

Reader for a low-flying magnetoresistive sensor

Signal amplifier and magnetic disk storage apparatus using the same

Multi-tapped coil having tapped segments cascaded for amplification...

Signal amplifier apparatus and magnetic disk storage apparatus usin...

Disk drive with variable-phase servo burst patterns

Magnetic recording/playback apparatus

Laminated steel return path with actuator support features

Magnetic head with lateral shielding limbs and a common contact face

Multi-element read/write tape head with low feedthrough

Signal amplifier apparatus and magnetic disk storage apparatus usin...

Reproduced signal processing method, reproduced signal processing c...

Offset free thermal asperity T/A detector

EMI noise cancellation in disk drive having MR read head and single...

Disk device and removable magnetic disk device with electrically se...

Patents Applicationslast 30 patents

Method and Apparatus For Balanced Shield Shunts, Leads and Pads For...

Method and apparatus for balanced shield shunts, leads and pads for...

Bidirectional read-while-write data recording system

Floppy disk drive preventing data errors from occurring on side of...

Magnetic disc storage apparatus

Common mode termination method and apparatus for a write head