Skewed beams methods (using an angled beam

Industry

CPC
G11B2007/0924

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Current Industry

G11B2007/0924Skewed beams methods (using an angled beam

Industries

Patents Grantslast 30 patents

Information Patent Grant
Autofocus system
- Patent number 6,137,580
- Issue date Oct 24, 2000
- Creo SRL
- Daniel Gelbart
- G11 - INFORMATION STORAGE
Information Patent Grant
Self correcting recording reproducing apparatus for an optical card
- Patent number 5,559,773
- Issue date Sep 24, 1996
- Omron Corporation
- Kunihiro Kentatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated optical head structure
- Patent number 5,218,584
- Issue date Jun 8, 1993
- International Business Machines Corporation
- Fritz Gfeller
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical card recording/reproducing apparatus
- Patent number 5,157,644
- Issue date Oct 20, 1992
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Self correcting recording/reproducing apparatus for an optical card
- Patent number 5,132,951
- Issue date Jul 21, 1992
- Omron Corporation
- Kunihiro Kentatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording and reproducing apparatus for an optical card
- Patent number 5,008,552
- Issue date Apr 16, 1991
- Dai Nippon Insatsu Kabushiki Kaisha
- Wataru Kuramochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Side-spot focus apparatus for optical disc recording and/or playbac...
- Patent number 4,590,594
- Issue date May 20, 1986
- RCA Corporation
- Charles W. Reno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing system
- Patent number 4,530,080
- Issue date Jul 16, 1985
- TDK Electronics Co., Ltd.
- Toshiki Aoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Photoelectric information and focus detector
- Patent number 4,464,567
- Issue date Aug 7, 1984
- Storage Technology Corporation
- Charles Reilly
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detecting focussing error signal of object...
- Patent number 4,390,781
- Issue date Jun 28, 1983
- Olympus Optical Co. Ltd.
- Toru Musha
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical focussing device with inclination detection
- Patent number 4,374,324
- Issue date Feb 15, 1983
- U.S. Philips Corporation
- Gerard E. Van Rosmalen
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical focusing device with two controls
- Patent number 4,354,103
- Issue date Oct 12, 1982
- U.S. Philips Corporation
- Kornelis A. Immink
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for reading an optical radiation-reflecting information c...
- Patent number 4,270,045
- Issue date May 26, 1981
- U.S. Philips Corporation
- Willem G. Opheij
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for optically reading information from a record carrier
- Patent number 4,253,723
- Issue date Mar 3, 1981
- Sony Corporation
- Chiaki Kojima
- G02 - OPTICS
Information Patent Grant
Apparatus for reading an optical record carrier having a radiation-...
- Patent number 4,253,019
- Issue date Feb 24, 1981
- U.S. Philips Corporation
- Willem G. Opheij
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical video playback apparatus with tracking control and TBC
- Patent number 4,136,362
- Issue date Jan 23, 1979
- Sony Corporation
- Yohsuke Naruse
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for reading an optical radiation-reflecting record carrie...
- Patent number 4,135,207
- Issue date Jan 16, 1979
- U.S. Philips Corporation
- Peter F. Greve
- G11 - INFORMATION STORAGE
Information Patent Grant
System for detecting height fluctuations of a surface on a recordin...
- Patent number 4,110,607
- Issue date Aug 29, 1978
- Victor Company of Japan, Ltd.
- Yoshihiko Honjo
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for optically reading signal information recorded on a re...
- Patent number 4,100,577
- Issue date Jul 11, 1978
- Sony Corporation
- Yohsuke Naruse
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for optically reading a record carrier and correcting foc...
- Patent number 4,074,314
- Issue date Feb 14, 1978
- U.S. Philips Corporation
- Christiaan H. F. Velzel
- G02 - OPTICS
Information Patent Grant
Apparatus for optically reading a record carrier by means of an aut...
- Patent number 3,992,575
- Issue date Nov 16, 1976
- U.S. Philips Corporation
- Christiaan Hendrik Frans Velzel
- G02 - OPTICS
Information Patent Grant
Opto-electronic system for determining a deviation between the actu...
- Patent number 3,992,574
- Issue date Nov 16, 1976
- U.S. Philips Corporation
- Gijsbertus Bouwhuis
- G02 - OPTICS
Information Patent Grant
Arrangement for aligning the image of an information structure on a...
- Patent number 3,976,828
- Issue date Aug 24, 1976
- U.S. Philips Corporation
- Peter Johannes Michiel Janssen
- G02 - OPTICS
Information Patent Grant
Autofocus circuit for a videodisc playback device
- Patent number 3,974,327
- Issue date Aug 10, 1976
- U.S. Philips Corporation
- Ate Van Dijk
- G02 - OPTICS
Information Patent Grant
Opto-electronic focus detection system
- Patent number 3,969,575
- Issue date Jul 13, 1976
- U.S. Philips Corporation
- Gerrit Berend Gerritsen
- G02 - OPTICS
Information Patent Grant
3876841
- Patent number 3,876,841
- Issue date Apr 8, 1975
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR RECORDING/REPRODUCING HOLOGRAPHIC INFORMATION
- Publication number 20090153929
- Publication date Jun 18, 2009
- Samsung Electronics Co., Ltd.
- Taek-seong JEONG
- G11 - INFORMATION STORAGE

Skewed beams methods (using an angled beam

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Autofocus system

Self correcting recording reproducing apparatus for an optical card

Integrated optical head structure

Optical card recording/reproducing apparatus

Self correcting recording/reproducing apparatus for an optical card

Data recording and reproducing apparatus for an optical card

Side-spot focus apparatus for optical disc recording and/or playbac...

Optical recording/reproducing system

Photoelectric information and focus detector

Method and apparatus for detecting focussing error signal of object...

Optical focussing device with inclination detection

Optical focusing device with two controls

Apparatus for reading an optical radiation-reflecting information c...

Apparatus for optically reading information from a record carrier

Apparatus for reading an optical record carrier having a radiation-...

Optical video playback apparatus with tracking control and TBC

Apparatus for reading an optical radiation-reflecting record carrie...

System for detecting height fluctuations of a surface on a recordin...

Apparatus for optically reading signal information recorded on a re...

Apparatus for optically reading a record carrier and correcting foc...

Apparatus for optically reading a record carrier by means of an aut...

Opto-electronic system for determining a deviation between the actu...

Arrangement for aligning the image of an information structure on a...

Autofocus circuit for a videodisc playback device

Opto-electronic focus detection system

3876841

Patents Applicationslast 30 patents

APPARATUS FOR RECORDING/REPRODUCING HOLOGRAPHIC INFORMATION