one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator

Industry

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G11B11/10513

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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

G11B11/10513one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Recording method and apparatus for optical recording medium with a...
- Patent number 7,522,499
- Issue date Apr 21, 2009
- Fujitsu Limited
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Stray field equalization for improved domain expansion reading
- Patent number 7,385,883
- Issue date Jun 10, 2008
- Koninklijke Philips Electronics N.V.
- Coen Adrianus Verschuren
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording for improved domain expansion reading
- Patent number 7,027,365
- Issue date Apr 11, 2006
- Koninklijke Philips Electronics N.V.
- Coen Adrianus Verschuren
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording with a magneto-optical recording...
- Patent number 6,697,304
- Issue date Feb 24, 2004
- Sanyo Electric Co., Ltd.
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing method and reproducing apparatus for magneto-optical re...
- Patent number 6,693,854
- Issue date Feb 17, 2004
- Hitachi Maxwell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus using multiple magnetic field s...
- Patent number 6,584,044
- Issue date Jun 24, 2003
- Hitachi Maxell Ltd.
- Manabu Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data system and optical disk relating thereto
- Patent number 6,570,839
- Issue date May 27, 2003
- Discovision Associates
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording mark length shorter than channel bit length on...
- Patent number 6,567,348
- Issue date May 20, 2003
- Hitachi, Ltd.
- Kouichirou Wakabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing method and reproducing apparatus for magneto-optical re...
- Patent number 6,556,516
- Issue date Apr 29, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording with a magneto-optical recording...
- Patent number 6,501,707
- Issue date Dec 31, 2002
- Sanyo Electric Co., LTD
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Storing data on a medium in an optical system
- Patent number 6,411,580
- Issue date Jun 25, 2002
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording/reproducing apparatus to record/reproduce inf...
- Patent number 6,400,653
- Issue date Jun 4, 2002
- Sanyo Electric Co. Ltd.
- Kenji Torazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording method capable of adjusting the sizes mag...
- Patent number 6,385,141
- Issue date May 7, 2002
- Hitachi Maxell Ltd.
- Manabu Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data system and high density optical disk relating thereto
- Patent number 6,343,061
- Issue date Jan 29, 2002
- Discovision Associates
- Noboru Kimura
- 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
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 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
Information recording medium with clock information therein
- Patent number 5,959,943
- Issue date Sep 28, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus and method for modulated magneto-op...
- Patent number 5,886,958
- Issue date Mar 23, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage and retrieval system and method
- Patent number 5,859,825
- Issue date Jan 12, 1999
- Discovision Associates
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage and retrieval system and method
- Patent number 5,774,440
- Issue date Jun 30, 1998
- Discovision Associates
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Output control apparatus of semiconductor laser device
- Patent number 5,771,220
- Issue date Jun 23, 1998
- Sony Corporation
- Masami Yuasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage and retrieval system and method
- Patent number 5,761,170
- Issue date Jun 2, 1998
- Discovision Associates
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto optical recording medium apparatus and method utilizing lig...
- Patent number 5,726,955
- Issue date Mar 10, 1998
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus
- Patent number 5,689,479
- Issue date Nov 18, 1997
- Sony Corporation
- Tadaaki Nomoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage and retrieval system and method
- Patent number 5,682,367
- Issue date Oct 28, 1997
- Discovision Associates
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus for controlling laser power for each zone of...
- Patent number 5,586,098
- Issue date Dec 17, 1996
- Sony Corporation
- Norio Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical data recording apparatus using a sample-servo syste...
- Patent number 5,579,292
- Issue date Nov 26, 1996
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical storage medium, manufacturing method for optical storage me...
- Publication number 20070206449
- Publication date Sep 6, 2007
- Fujitsu Limited
- Nobuhide Aoyama
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method and apparatus for optical recording medium
- Publication number 20060092787
- Publication date May 4, 2006
- FUJITSU LIMITED
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Stray field equalization for improved domain expansion reading
- Publication number 20050219961
- Publication date Oct 6, 2005
- Koninklijke Philips Electronics N.V.
- Coen Adrianus Verschuren
- G11 - INFORMATION STORAGE
Information Patent Application
Asymmetric run length constraints for increased resolution and powe...
- Publication number 20050094499
- Publication date May 5, 2005
- Coen Adrianus Verschuren
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Reproducing method and reproducing apparatus for magneto-optical re...
- Publication number 20030161221
- Publication date Aug 28, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for recording with a magneto-optical recording...
- Publication number 20030021192
- Publication date Jan 30, 2003
- Sanyo Electric Co., Ltd.
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording for improved domain expansion reading
- Publication number 20020191497
- Publication date Dec 19, 2002
- Koninklijke Philips Electronics N.V.
- Coen Adrianus Verschuren
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method and recording apparatus for magneto-optical record...
- Publication number 20020089899
- Publication date Jul 11, 2002
- Hitachi Maxell, Ltd.
- Manabu Tani
- G11 - INFORMATION STORAGE
Information Patent Application
Storing data on a medium in an optical system
- Publication number 20020041539
- Publication date Apr 11, 2002
- Noboru Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical data storage and retrieval system and method
- Publication number 20020009046
- Publication date Jan 24, 2002
- Noboru Kimura
- G11 - INFORMATION STORAGE

one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Recording method and apparatus for optical recording medium with a...

Stray field equalization for improved domain expansion reading

Magneto-optical recording for improved domain expansion reading

Method and apparatus for recording with a magneto-optical recording...

Reproducing method and reproducing apparatus for magneto-optical re...

Magneto-optical recording apparatus using multiple magnetic field s...

Optical data system and optical disk relating thereto

Method for recording mark length shorter than channel bit length on...

Reproducing method and reproducing apparatus for magneto-optical re...

Method and apparatus for recording with a magneto-optical recording...

Storing data on a medium in an optical system

Information recording/reproducing apparatus to record/reproduce inf...

Magneto-optical recording method capable of adjusting the sizes mag...

Optical data system and high density optical disk relating thereto

Method of reading magneto-optical recording medium

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

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

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

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

Information recording medium with clock information therein

Information recording apparatus and method for modulated magneto-op...

Optical data storage and retrieval system and method

Optical data storage and retrieval system and method

Output control apparatus of semiconductor laser device

Optical data storage and retrieval system and method

Magneto optical recording medium apparatus and method utilizing lig...

Magneto-optical recording apparatus

Optical data storage and retrieval system and method

Optical disc apparatus for controlling laser power for each zone of...

Magneto-optical data recording apparatus using a sample-servo syste...

Patents Applicationslast 30 patents

Optical storage medium, manufacturing method for optical storage me...

Recording method and apparatus for optical recording medium

Stray field equalization for improved domain expansion reading

Asymmetric run length constraints for increased resolution and powe...

Reproducing method and reproducing apparatus for magneto-optical re...

Method and apparatus for recording with a magneto-optical recording...

Magneto-optical recording for improved domain expansion reading

Recording method and recording apparatus for magneto-optical record...

Storing data on a medium in an optical system

Optical data storage and retrieval system and method