Methods and circuits to control the velocity of the head as it traverses the tracks

Industry

CPC
G11B7/08529

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B7/00Recording or reproducing by optical means

Current Industry

G11B7/08529Methods and circuits to control the velocity of the head as it traverses the tracks

Industries

Patents Grantslast 30 patents

Information Patent Grant
Servo processor receiving photodetector signals
- Patent number 9,514,777
- Issue date Dec 6, 2016
- Optical Devices, LLC
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo processor receiving photodetector signals
- Patent number 9,105,281
- Issue date Aug 11, 2015
- Optical Devices, LLC
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo processor receiving photodetector signals
- Patent number 8,937,854
- Issue date Jan 20, 2015
- Optical Devices, LLC
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo processor receiving photodetector signals
- Patent number 8,873,355
- Issue date Oct 28, 2014
- Optical Devices, LLC
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
8861319
- Patent number 8,861,319
- Issue date Oct 14, 2014
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control using digital signal processing for optical disk drive
- Patent number 8,416,651
- Issue date Apr 9, 2013
- OD Servo Technologies, LLC
- Ron J Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus switching focus point between layers
- Patent number 8,284,644
- Issue date Oct 9, 2012
- Hitachi, Ltd.
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with an improved track jump performance
- Patent number 8,243,565
- Issue date Aug 14, 2012
- Hitachi, Ltd.
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device and seek method in optical disk device
- Patent number 8,027,228
- Issue date Sep 27, 2011
- Teac Corporation
- Masashi Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Track-jump control system and method for maintaining track-jump sta...
- Patent number 7,924,661
- Issue date Apr 12, 2011
- Mediatek Inc.
- Kuo-Jung Lan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with an improved track jump performance
- Patent number 7,907,480
- Issue date Mar 15, 2011
- Hitachi, Ltd.
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus switching focus point between layers
- Patent number 7,848,190
- Issue date Dec 7, 2010
- Hitachi, Ltd.
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive servo with a servo processor receiving photodetector...
- Patent number 7,839,729
- Issue date Nov 23, 2010
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling a disc seek operation based on...
- Patent number 7,821,886
- Issue date Oct 26, 2010
- Sony Corporation
- Shinichi Yuzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device
- Patent number 7,800,991
- Issue date Sep 21, 2010
- Funai Electric Co., Ltd.
- Toshiaki Fukui
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with an improved track jump performance
- Patent number 7,760,592
- Issue date Jul 20, 2010
- Hitachi, Ltd.
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for controlling stepping motor
- Patent number 7,701,162
- Issue date Apr 20, 2010
- Samsung Electronics Co., Ltd.
- Jong-jin Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Track-jump control device and method thereof
- Patent number 7,684,286
- Issue date Mar 23, 2010
- Mediatek Inc.
- Shu-Cing Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for playing optical discs
- Patent number 7,656,758
- Issue date Feb 2, 2010
- Koninklijke Philips Electronics N.V.
- Antonius Hermanus Maria Akkermans
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus and optical-pickup movement control method i...
- Patent number 7,643,388
- Issue date Jan 5, 2010
- Victor Company of Japan, Ltd.
- Shigeru Kawase
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital tracking servo system with multi-track seek with an acceler...
- Patent number 7,522,480
- Issue date Apr 21, 2009
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive mechanism and method of operation therefor
- Patent number 7,522,481
- Issue date Apr 21, 2009
- Koninklijke Philips Electronics N.V.
- Antonius Leonardus Johannes Dekker
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus switching focus point between layers
- Patent number 7,471,597
- Issue date Dec 30, 2008
- Hitachi, Ltd.
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive and method for controlling sled motor within opt...
- Patent number 7,460,444
- Issue date Dec 2, 2008
- NEC Electronics Corporation
- Isao Shime
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for slip protection of DVD-RAM drive's seek co...
- Patent number 7,440,363
- Issue date Oct 21, 2008
- ALI Corporation
- Chen-Hsing Lo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive which uses a train of pulses to shift the focus...
- Patent number 7,440,362
- Issue date Oct 21, 2008
- Matsushita Electric Industrial Co., Ltd.
- Katsuya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 7,382,697
- Issue date Jun 3, 2008
- Funai Electric Co., Ltd.
- Yoshikazu Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for achieving a short seek with a stepping motor
- Patent number 7,345,966
- Issue date Mar 18, 2008
- Mediatek Incorporation
- Chia-Ling Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Off track write protection using filtered position error signal
- Patent number 7,342,737
- Issue date Mar 11, 2008
- Seagate Technology LLC
- Jeffrey V. DeRosa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for long seeking control in an optical disc drive
- Patent number 7,336,568
- Issue date Feb 26, 2008
- Mediatek Incorporation
- Hung-Hsiang Chang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Servo Processor Receiving Photodetector Signals
- Publication number 20140029400
- Publication date Jan 30, 2014
- Optical Devices, LLC
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Application
Servo Processor Receiving Photodetector Signals
- Publication number 20130272105
- Publication date Oct 17, 2013
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Application
PLAYBACK DEVICE, PLAYBACK METHOD AND PROGRAM
- Publication number 20110317530
- Publication date Dec 29, 2011
- SONY CORPORATION
- Takahiro TAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Disk Apparatus with an Improved Track Jump Performance
- Publication number 20110096649
- Publication date Apr 28, 2011
- Hitachi, Ltd
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Application
Servo Processor Receiving Photodetector Signals
- Publication number 20110063958
- Publication date Mar 17, 2011
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC APPARATUS SWITCHING FOCUS POINT BETWEEN LAYERS
- Publication number 20110044144
- Publication date Feb 24, 2011
- Hitachi, Ltd
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Disk Apparatus with an Improved Track Jump Performance
- Publication number 20100260018
- Publication date Oct 14, 2010
- Hitachi, Ltd
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PERFORMING TRACK-SEEKING IN AN OPTICAL DISK DRIVE
- Publication number 20100085848
- Publication date Apr 8, 2010
- MEDIATEK INC.
- Po-Ching LU
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Information Recording/Reproducing Method and Optical Inform...
- Publication number 20090274021
- Publication date Nov 5, 2009
- Kenji Narumi
- G11 - INFORMATION STORAGE
Information Patent Application
TRACK-JUMP CONTROL SYSTEM AND METHOD FOR MAINTAINING TRACK-JUMP STA...
- Publication number 20090245038
- Publication date Oct 1, 2009
- MEDIATEK INC.
- Kuo-Jung Lan
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING/REPRODUCING APPARATUS
- Publication number 20090245039
- Publication date Oct 1, 2009
- Samsung Electronics Co., Ltd.
- Toshiki UTO
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk recording and reproduction apparatus and method of dri...
- Publication number 20090231977
- Publication date Sep 17, 2009
- SONY CORPORATION
- Hideo Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL HEAD TRANSFER DEVICE, INTEGRATED CIRCUIT FOR OPTICAL HEAD T...
- Publication number 20090190449
- Publication date Jul 30, 2009
- Shin-ichi Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC APPARATUS SWITCHING FOCUS POINT BETWEEN LAYERS
- Publication number 20090086592
- Publication date Apr 2, 2009
- Hitachi, Ltd
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Application
SEEKING CONTROL SYSTEM AND METHOD OF OPTICAL DISC DRIVE
- Publication number 20090073818
- Publication date Mar 19, 2009
- MEDIATEK Inc.
- Yi-jen Chung
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS OF SEEK END POLARITY DETECDTION FOR OPTICAL DI...
- Publication number 20090034375
- Publication date Feb 5, 2009
- MEDIATEK INCORPORATION
- CHEN-HSING LO
- G11 - INFORMATION STORAGE
Information Patent Application
SPHERICAL ABERRATION CORRECTION CONTROL
- Publication number 20090022035
- Publication date Jan 22, 2009
- MEDIATEK INC.
- Yung-chih Li
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Disk Drive and Tracking Error Detection Method For an Optic...
- Publication number 20080247288
- Publication date Oct 9, 2008
- Koninklijke Philips Electronics, N.V.
- Bin Yin
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk device
- Publication number 20080117735
- Publication date May 22, 2008
- Funai Electric Co., Ltd.
- Toshiaki Fukui
- G11 - INFORMATION STORAGE
Information Patent Application
DIGITAL SERVO FOR OPTICAL DISK DRIVE
- Publication number 20080101167
- Publication date May 1, 2008
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Application
Method and System for Automatically Locating the Optimal Controller...
- Publication number 20080031097
- Publication date Feb 7, 2008
- Leehter Yao
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for slip protection of DVD-RAM drive's seek co...
- Publication number 20070297300
- Publication date Dec 27, 2007
- ALi Corporation
- Chen-Hsing Lo
- G11 - INFORMATION STORAGE
Information Patent Application
Off track write protection using filtered position error signal
- Publication number 20070188911
- Publication date Aug 16, 2007
- Jeffrey V. DeRosa
- G11 - INFORMATION STORAGE
Information Patent Application
Motor transfer rate calibrated jumping
- Publication number 20070165499
- Publication date Jul 19, 2007
- Koninklijke Philips Electronics, N.V.
- Ivon Franciscus Helwegen
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc apparatus switching focus point between layers
- Publication number 20070159950
- Publication date Jul 12, 2007
- Hitachi, Ltd
- Yukinobu Tada
- G11 - INFORMATION STORAGE
Information Patent Application
Track-jump control system and method for maintaining track-jump sta...
- Publication number 20070121440
- Publication date May 31, 2007
- MediaTek Inc.
- Kuo-Jung Lan
- G11 - INFORMATION STORAGE
Information Patent Application
Disc drive mechanism and method of operation therefor
- Publication number 20070115784
- Publication date May 24, 2007
- Koninklijke Philips Electronics N.V.
- Antonius Leonardus Johanne Dekker
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc apparatus and optical-pickup movement control method i...
- Publication number 20070115769
- Publication date May 24, 2007
- Victor Company of Japan, Ltd.
- Shigeru Kawase
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus with an improved track jump performance
- Publication number 20070115772
- Publication date May 24, 2007
- Hitachi, Ltd
- Takeyoshi Kataoka
- G11 - INFORMATION STORAGE
Information Patent Application
Track-jump control device and method thereof
- Publication number 20070047402
- Publication date Mar 1, 2007
- MediaTek, Inc.
- Shu-Cing Chen
- G11 - INFORMATION STORAGE

Methods and circuits to control the velocity of the head as it traverses the tracks

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Servo processor receiving photodetector signals

Servo processor receiving photodetector signals

Servo processor receiving photodetector signals

Servo processor receiving photodetector signals

8861319

Servo control using digital signal processing for optical disk drive

Optical disc apparatus switching focus point between layers

Optical disk apparatus with an improved track jump performance

Optical disk device and seek method in optical disk device

Track-jump control system and method for maintaining track-jump sta...

Optical disk apparatus with an improved track jump performance

Optical disc apparatus switching focus point between layers

Optical drive servo with a servo processor receiving photodetector...

Method and apparatus for controlling a disc seek operation based on...

Optical disk device

Optical disk apparatus with an improved track jump performance

Method for controlling stepping motor

Track-jump control device and method thereof

Device for playing optical discs

Optical disc apparatus and optical-pickup movement control method i...

Digital tracking servo system with multi-track seek with an acceler...

Disc drive mechanism and method of operation therefor

Optical disc apparatus switching focus point between layers

Optical disk drive and method for controlling sled motor within opt...

Method and apparatus for slip protection of DVD-RAM drive's seek co...

Optical disc drive which uses a train of pulses to shift the focus...

Optical disk apparatus

Method and apparatus for achieving a short seek with a stepping motor

Off track write protection using filtered position error signal

Method and apparatus for long seeking control in an optical disc drive

Patents Applicationslast 30 patents

Servo Processor Receiving Photodetector Signals

Servo Processor Receiving Photodetector Signals

PLAYBACK DEVICE, PLAYBACK METHOD AND PROGRAM

Optical Disk Apparatus with an Improved Track Jump Performance

Servo Processor Receiving Photodetector Signals

OPTICAL DISC APPARATUS SWITCHING FOCUS POINT BETWEEN LAYERS

Optical Disk Apparatus with an Improved Track Jump Performance

METHOD FOR PERFORMING TRACK-SEEKING IN AN OPTICAL DISK DRIVE

Optical Information Recording/Reproducing Method and Optical Inform...

TRACK-JUMP CONTROL SYSTEM AND METHOD FOR MAINTAINING TRACK-JUMP STA...

OPTICAL RECORDING/REPRODUCING APPARATUS

Optical disk recording and reproduction apparatus and method of dri...

OPTICAL HEAD TRANSFER DEVICE, INTEGRATED CIRCUIT FOR OPTICAL HEAD T...

OPTICAL DISC APPARATUS SWITCHING FOCUS POINT BETWEEN LAYERS

SEEKING CONTROL SYSTEM AND METHOD OF OPTICAL DISC DRIVE

METHOD AND APPARATUS OF SEEK END POLARITY DETECDTION FOR OPTICAL DI...

SPHERICAL ABERRATION CORRECTION CONTROL

Optical Disk Drive and Tracking Error Detection Method For an Optic...

Optical disk device

DIGITAL SERVO FOR OPTICAL DISK DRIVE

Method and System for Automatically Locating the Optimal Controller...

Method and apparatus for slip protection of DVD-RAM drive's seek co...

Off track write protection using filtered position error signal

Motor transfer rate calibrated jumping

Optical disc apparatus switching focus point between layers

Track-jump control system and method for maintaining track-jump sta...

Disc drive mechanism and method of operation therefor

Optical disc apparatus and optical-pickup movement control method i...

Optical disk apparatus with an improved track jump performance

Track-jump control device and method thereof