Critical angle methods

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CPC
G11B2007/0919

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

Current Industry

G11B2007/0919Critical angle methods

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for moving carriage assembly from initial posi...
- Patent number 6,741,529
- Issue date May 25, 2004
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical actuator assembly with lens position sensor for recording o...
- Patent number 6,532,199
- Issue date Mar 11, 2003
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter assembly for normalizing servo error si...
- Patent number 6,418,097
- Issue date Jul 9, 2002
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having current monitoring circuit with improved...
- Patent number 6,317,391
- Issue date Nov 13, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system including current monitoring circuit assembly h...
- Patent number 6,278,665
- Issue date Aug 21, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter and assembly for use in optical drive s...
- Patent number 6,266,306
- Issue date Jul 24, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having servo motor and servo error detection as...
- Patent number 6,243,336
- Issue date Jun 5, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Isolation apparatus for use in disc drive system to mitigate effect...
- Patent number 6,122,232
- Issue date Sep 19, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus capture for optical disc system including detection of quad s...
- Patent number 6,087,644
- Issue date Jul 11, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive system having servomotor operated relative to maximum...
- Patent number 6,058,081
- Issue date May 2, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system including focus capture assembly with focus err...
- Patent number 6,034,364
- Issue date Mar 7, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for moving a carriage assembly from an initial position t...
- Patent number 5,974,007
- Issue date Oct 26, 1999
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for suppression of electromagnetic emissions h...
- Patent number 5,920,539
- Issue date Jul 6, 1999
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser driver for controlling electrical current passed to a laser i...
- Patent number 5,878,015
- Issue date Mar 2, 1999
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control system for information storage device
- Patent number 5,875,158
- Issue date Feb 23, 1999
- Discovision Associates
- David L Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Focusing method and system for focus capture and focus control in o...
- Patent number 5,828,054
- Issue date Oct 27, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,808,980
- Issue date Sep 15, 1998
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for controlling an electrical current passed to a writing...
- Patent number 5,796,703
- Issue date Aug 18, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Colpitts type oscillator having reduced ringing and improved optica...
- Patent number 5,748,578
- Issue date May 5, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having servo motor and servo error detection as...
- Patent number 5,729,511
- Issue date Mar 17, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Inverse image generating method apparatus thereof and focus error d...
- Patent number 5,699,339
- Issue date Dec 16, 1997
- Samsung Electronics Co., Ltd.
- Chul-woo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for moving carriage assembly from initial position to target...
- Patent number 5,677,899
- Issue date Oct 14, 1997
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveguide-gratings used for analysis of optical beams constructed a...
- Patent number 5,631,885
- Issue date May 20, 1997
- Eastman Kodak Company
- John C. Brazas
- G11 - INFORMATION STORAGE
Information Patent Grant
Critical angle focus error detector
- Patent number 5,629,514
- Issue date May 13, 1997
- SamSung Electronics Co., Ltd.
- Chul-woo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,532,989
- Issue date Jul 2, 1996
- Discovision Associates
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus sensing apparatus using electrical AGC to enhance differentia...
- Patent number 5,349,175
- Issue date Sep 20, 1994
- Applied Magnetics Corporation
- Ivan Prikryl
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ruggedized homogeneous thin dielectric film focus sensor
- Patent number 5,327,413
- Issue date Jul 5, 1994
- Honeywell
- Bernard S. Fritz
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek actuator for optical recording
- Patent number 5,265,079
- Issue date Nov 23, 1993
- Applied Magnetics Corporation
- Kurt W. Getreuer
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus sensing apparatus utilizing a reflecting surface having varia...
- Patent number 5,245,174
- Issue date Sep 14, 1993
- Applied Magnetics Corporation
- Ivan Prikryl
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Flat plate focus sensing apparatus
- Patent number 4,998,011
- Issue date Mar 5, 1991
- Applied Magnetics Corporation
- Curtis A. Shuman
- G02 - OPTICS

Critical angle methods

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for moving carriage assembly from initial posi...

Optical actuator assembly with lens position sensor for recording o...

Analog to digital converter assembly for normalizing servo error si...

Optical disc system having current monitoring circuit with improved...

Optical disc system including current monitoring circuit assembly h...

Analog to digital converter and assembly for use in optical drive s...

Optical disc system having servo motor and servo error detection as...

Isolation apparatus for use in disc drive system to mitigate effect...

Focus capture for optical disc system including detection of quad s...

Optical drive system having servomotor operated relative to maximum...

Optical disc system including focus capture assembly with focus err...

Apparatus for moving a carriage assembly from an initial position t...

Apparatus and method for suppression of electromagnetic emissions h...

Laser driver for controlling electrical current passed to a laser i...

Servo control system for information storage device

Focusing method and system for focus capture and focus control in o...

Seek actuator for optical recording

Apparatus for controlling an electrical current passed to a writing...

Colpitts type oscillator having reduced ringing and improved optica...

Optical disc system having servo motor and servo error detection as...

Inverse image generating method apparatus thereof and focus error d...

Method for moving carriage assembly from initial position to target...

Waveguide-gratings used for analysis of optical beams constructed a...

Critical angle focus error detector

Seek actuator for optical recording

Focus sensing apparatus using electrical AGC to enhance differentia...

Ruggedized homogeneous thin dielectric film focus sensor

Seek actuator for optical recording

Focus sensing apparatus utilizing a reflecting surface having varia...

Flat plate focus sensing apparatus

Patents Applicationslast 30 patents