Control of relative positioning of the magnetic and optical transducers

Industry

CPC
G11B11/10573

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00 Record carriers therefor

Current Industry

G11B11/10573Control of relative positioning of the magnetic and optical transducers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk recording/reproducing device
- Patent number 7,206,262
- Issue date Apr 17, 2007
- Matsushita Electric Industrial Co., Ltd.
- Makoto Takasima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having magnetic decoupling ability
- Patent number 7,142,384
- Issue date Nov 28, 2006
- Fujitsu Limited
- Toshio Sugimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus capable of adjusting the magnet...
- Patent number 6,920,087
- Issue date Jul 19, 2005
- Sanyo Electric Co., LTD
- Satoshi Sumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic disk device and method of positioning magnetic head o...
- Patent number 6,826,130
- Issue date Nov 30, 2004
- Sanyo Electric Co., Ltd.
- Takaya Kamimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device having optical and magnetic heads...
- Patent number 6,683,824
- Issue date Jan 27, 2004
- Fujitsu Limited
- Hideki Nishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method, reproducing method and recording and reproducing...
- Patent number 6,674,693
- Issue date Jan 6, 2004
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drives with thermomagnetic writing and magnetoresistiv...
- Patent number 6,603,713
- Issue date Aug 5, 2003
- TeraStor Corporation
- Vlad J. Novotny
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical memory device
- Patent number 6,563,768
- Issue date May 13, 2003
- Fujitsu Limited
- Yasukiyo Kunimatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive
- Patent number 6,515,947
- Issue date Feb 4, 2003
- PENTAX Corporation
- Suguru Takishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Information storage device having an optical head assembly and a ma...
- Patent number 6,515,943
- Issue date Feb 4, 2003
- Fujitsu Limited
- Hideki Nishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device having optical head and magnetic h...
- Patent number 6,507,539
- Issue date Jan 14, 2003
- Fujitsu Limited
- Hideki Nishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Displacement of magnetic head and optical head in magneto-optical r...
- Patent number 6,466,523
- Issue date Oct 15, 2002
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk apparatus having an adjustment mechanism for s...
- Patent number 6,404,705
- Issue date Jun 11, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk apparatus that can adjust position of magnetic...
- Patent number 6,314,062
- Issue date Nov 6, 2001
- Sanyo Electric Co., Ltd.
- Yoshihisa Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reading magneto-optical recording medium
- Patent number 6,307,819
- Issue date Oct 23, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method for a magneto-optical recording medium for positio...
- Patent number 6,269,056
- Issue date Jul 31, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk loading system for a magneto-optical disk drive
- Patent number 6,249,500
- Issue date Jun 19, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk drive
- Patent number 6,243,333
- Issue date Jun 5, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Position adjustment method of a magnetic head using magneto-optical...
- Patent number 6,222,797
- Issue date Apr 24, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reading magnetic super resolution type magneto-optical r...
- Patent number 6,188,649
- Issue date Feb 13, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for adjusting magnetic and optical heads in magneto-optical...
- Patent number 6,185,162
- Issue date Feb 6, 2001
- Fujitsu Limited
- Yasukiyo Kunimatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk loading device
- Patent number 6,157,595
- Issue date Dec 5, 2000
- Sharp Kabushiki Kaisha
- Kazuhiko Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for measuring head deviation and method and ap...
- Patent number 6,025,969
- Issue date Feb 15, 2000
- Sony Corporation
- Hideaki Ishioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Vertical positioning system for a magnetic head base
- Patent number 6,011,673
- Issue date Jan 4, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Positioning a magnetic head base of a magneto-optical disk drive
- Patent number 5,995,333
- Issue date Nov 30, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reading magnetic super resolution type magneto-optical r...
- Patent number 5,986,977
- Issue date Nov 16, 1999
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for measuring head deviation and method and ap...
- Patent number 5,949,602
- Issue date Sep 7, 1999
- Sony Corporation
- Hideaki Ishioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head carriage locking system for magneto-optical disk drive
- Patent number 5,933,291
- Issue date Aug 3, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk drive
- Patent number 5,905,696
- Issue date May 18, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Shutter operating mechanism for magneto-optical disk drive
- Patent number 5,768,241
- Issue date Jun 16, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kanazawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magneto-optical device
- Publication number 20060007790
- Publication date Jan 12, 2006
- Koninklijke Philips Electronics, N.V.
- Rudolf Johan Maria Vullers
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk recording/reproducing device
- Publication number 20040233796
- Publication date Nov 25, 2004
- Makoto Takasima
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording method, magnetic recording device, and magnetic...
- Publication number 20040136107
- Publication date Jul 15, 2004
- FUJITSU LIMITED
- Toshio Sugimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical disk apparatus
- Publication number 20030227832
- Publication date Dec 11, 2003
- Satoshi Sumi
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optic disk device and method of positioning magnetic head o...
- Publication number 20030133365
- Publication date Jul 17, 2003
- Takaya Kamimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical storage device having optical head and magnetic head
- Publication number 20030002396
- Publication date Jan 2, 2003
- Fujitsu Limited
- Hideki Nishimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical disk apparatus and position adjustment method of he...
- Publication number 20020064101
- Publication date May 30, 2002
- HITACHI MAXELL, LTD.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Method for adjusting magnetic and optical heads in magneto-optical...
- Publication number 20010024407
- Publication date Sep 27, 2001
- Fujitsu Limited
- Yasukiyo Kunimatsu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head capable of correctly reproducing signal by domain enl...
- Publication number 20010024342
- Publication date Sep 27, 2001
- SANYO ELECTRIC CO., LTD.
- Kenichiro Mitani
- G11 - INFORMATION STORAGE
Information Patent Application
Optical storage device having optical head and magnetic head
- Publication number 20010008503
- Publication date Jul 19, 2001
- FUJITSU LIMITED
- Hideki Nishimoto
- G11 - INFORMATION STORAGE

Control of relative positioning of the magnetic and optical transducers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical disk recording/reproducing device

Magnetic recording medium having magnetic decoupling ability

Magneto-optical recording apparatus capable of adjusting the magnet...

Magneto-optic disk device and method of positioning magnetic head o...

Magneto-optical recording device having optical and magnetic heads...

Recording method, reproducing method and recording and reproducing...

Optical disk drives with thermomagnetic writing and magnetoresistiv...

Magneto-optical memory device

Optical disc drive

Information storage device having an optical head assembly and a ma...

Magneto-optical recording device having optical head and magnetic h...

Displacement of magnetic head and optical head in magneto-optical r...

Magneto-optical disk apparatus having an adjustment mechanism for s...

Magneto-optical disk apparatus that can adjust position of magnetic...

Method of reading magneto-optical recording medium

Recording method for a magneto-optical recording medium for positio...

Disk loading system for a magneto-optical disk drive

Magneto-optical disk drive

Position adjustment method of a magnetic head using magneto-optical...

Method for reading magnetic super resolution type magneto-optical r...

Method for adjusting magnetic and optical heads in magneto-optical...

Magneto-optical disk loading device

Method and apparatus for measuring head deviation and method and ap...

Vertical positioning system for a magnetic head base

Positioning a magnetic head base of a magneto-optical disk drive

Method for reading magnetic super resolution type magneto-optical r...

Method and apparatus for measuring head deviation and method and ap...

Magnetic head carriage locking system for magneto-optical disk drive

Magneto-optical disk drive

Shutter operating mechanism for magneto-optical disk drive

Patents Applicationslast 30 patents

Magneto-optical device

Optical disk recording/reproducing device

Magnetic recording method, magnetic recording device, and magnetic...

Magneto-optical disk apparatus

Magneto-optic disk device and method of positioning magnetic head o...

Optical storage device having optical head and magnetic head

Magneto-optical disk apparatus and position adjustment method of he...

Method for adjusting magnetic and optical heads in magneto-optical...

Magnetic head capable of correctly reproducing signal by domain enl...

Optical storage device having optical head and magnetic head