Differential phase difference systems

Industry

CPC
G11B7/0906

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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

G11B7/0906Differential phase difference systems

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium drive device, tracking error detection method
- Patent number 9,087,524
- Issue date Jul 21, 2015
- Sony Corporation
- Yuuichi Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive device
- Patent number 8,830,803
- Issue date Sep 9, 2014
- TDK Corporation
- Tetsuya Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Compatible optical recording medium
- Patent number 8,693,302
- Issue date Apr 8, 2014
- Thomson Licensing
- Joachim Knittel
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc with pre-recorded and recordable regions and methods o...
- Patent number 8,675,466
- Issue date Mar 18, 2014
- Thomson Licensing
- John Matthew Town
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information processing device and tracking control method t...
- Patent number 8,644,120
- Issue date Feb 4, 2014
- Hitachi Media Electronics Co., Ltd.
- Kunikazu Ohnishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage system having differential phase detector
- Patent number 8,634,284
- Issue date Jan 21, 2014
- Marvell International Ltd.
- Christopher Painter
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical media servo tracking
- Patent number 8,593,921
- Issue date Nov 26, 2013
- Oracle International Corporation
- Faramarz Mahnad
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive apparatus
- Patent number 8,542,565
- Issue date Sep 24, 2013
- TDK Corporation
- Tetsuya Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive and method for determining type of a blu-ray disk
- Patent number 8,503,276
- Issue date Aug 6, 2013
- Mediatek Inc.
- Kuo-Ting Hsin
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording adjusting method, information recording and reproducing d...
- Patent number 8,456,974
- Issue date Jun 4, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Soichiro Eto
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control device and optical disc device
- Patent number 8,437,231
- Issue date May 7, 2013
- Sony Corporation
- Nobuyoshi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 8,427,911
- Issue date Apr 23, 2013
- Hitachi Media Electronics Co., Ltd.
- Hiromi Kita
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 8,406,109
- Issue date Mar 26, 2013
- Sharp Kabushiki Kaisha
- Satoru Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage system having differential phase detector
- Patent number 8,363,517
- Issue date Jan 29, 2013
- Marvell International Ltd.
- Christopher Painter
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit and optical disk device having the...
- Patent number 8,351,311
- Issue date Jan 8, 2013
- Renesas Electronics Corporation
- Toshiya Matsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup and optical disc apparatus
- Patent number 8,289,826
- Issue date Oct 16, 2012
- Sony Corporation
- Kazuhiko Nemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device and optical disc apparatus using same
- Patent number 8,270,281
- Issue date Sep 18, 2012
- Hitachi Media Electronics Co., Ltd.
- Toshiteru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus and optical disc reproducing method
- Patent number 8,194,523
- Issue date Jun 5, 2012
- Hitachi-LG Data Storage, Inc.
- Manabu Shiozawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device and optical disk device using the same
- Patent number 8,184,509
- Issue date May 22, 2012
- Hitachi Media Electronics Co., Ltd.
- Toshiteru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for generating tracking signal
- Patent number 8,164,994
- Issue date Apr 24, 2012
- Samsung Electonics Co., Ltd
- Ki-Ho Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Photo diode ic
- Patent number 8,159,908
- Issue date Apr 17, 2012
- Samsung Electronics Co., Ltd.
- Soo-han Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Record medium, optical disk unit using it, and recording method
- Patent number 8,139,461
- Issue date Mar 20, 2012
- Panasonic Corporation
- Shohei Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording and playback apparatus and signal detection...
- Patent number 8,111,595
- Issue date Feb 7, 2012
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase error detection apparatus
- Patent number 8,111,596
- Issue date Feb 7, 2012
- Panasonic Corporation
- Mitsuru Sakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage system having differential phase detector
- Patent number 8,107,329
- Issue date Jan 31, 2012
- Marvell International Ltd.
- Christopher Painter
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for and method of detecting tracking error signals
- Patent number 8,094,531
- Issue date Jan 10, 2012
- Samsung Electronics Co., Ltd.
- In-joo Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Differential phase detector
- Patent number 8,089,836
- Issue date Jan 3, 2012
- Marvell International Ltd.
- Christopher Painter
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error signal detection apparatus and optical disc apparatus
- Patent number 8,085,637
- Issue date Dec 27, 2011
- Sony Corporation
- Osamu Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus including a divided photodetector
- Patent number 8,068,393
- Issue date Nov 29, 2011
- Toshiba Samsung Storage Technology Corporation
- Akihiko Doi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error signal detection device and optical disc apparatus
- Patent number 8,068,389
- Issue date Nov 29, 2011
- Sony Corporation
- Nobuyoshi Kobayashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECORDING MEDIUM DRIVE DEVICE, TRACKING ERROR DETECTION METHOD
- Publication number 20150138941
- Publication date May 21, 2015
- SONY CORPORATION
- Yuuichi Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE, OPTICAL INFORMATION RECORDING DEVICE, OPTICA...
- Publication number 20130343172
- Publication date Dec 26, 2013
- Fumio ISSHIKI
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM DRIVING APPARATUS AND CROSS TRACK SIGNAL G...
- Publication number 20130235713
- Publication date Sep 12, 2013
- SONY CORPORATION
- Yuuichi Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD
- Publication number 20130215729
- Publication date Aug 22, 2013
- KABUSHIKI KAISHA TOSHIBA
- Hideo ANDO
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Pickup
- Publication number 20130176840
- Publication date Jul 11, 2013
- Hitachi Media Electronics Co., Ltd.
- Hiromi Kita
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO CONTROL DEVICE AND OPTICAL DISC DEVICE
- Publication number 20130028064
- Publication date Jan 31, 2013
- SONY CORPORATION
- Nobuyoshi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP APPARATUS
- Publication number 20130016597
- Publication date Jan 17, 2013
- Satoru Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION PROCESSING DEVICE AND TRACKING CONTROL METHOD T...
- Publication number 20120300602
- Publication date Nov 29, 2012
- Hitachi Media Electronics Co., Ltd.
- Kunikazu OHNISHI
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING ADJUSTING METHOD, INFORMATION RECORDING AND REPRODUCING D...
- Publication number 20120243392
- Publication date Sep 27, 2012
- Hitachi Consumer Electronics Co. Ltd.
- Soichiro ETO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT AND OPTICAL DISK DEVICE HAVING THE...
- Publication number 20110261661
- Publication date Oct 27, 2011
- Renesas Electronics Corporation
- Toshiya MATSUDA
- G11 - INFORMATION STORAGE
Information Patent Application
STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD
- Publication number 20110212287
- Publication date Sep 1, 2011
- Hideo Ando
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING SAME
- Publication number 20110182165
- Publication date Jul 28, 2011
- TOSHITERU NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP
- Publication number 20110182159
- Publication date Jul 28, 2011
- Hiromi KITA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC APPARATUS
- Publication number 20110164488
- Publication date Jul 7, 2011
- SONY CORPORATION
- Kazuhiko Nemoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Disk Drive and Method for Performing Layer Jumps
- Publication number 20110158065
- Publication date Jun 30, 2011
- MEDIATEK INC.
- Kuo-Ting Hsin
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Disk Drive and Method for Determining Type of a Blu-Ray Disk
- Publication number 20110158070
- Publication date Jun 30, 2011
- MEDIATEK INC.
- Kuo-Ting Hsin
- G11 - INFORMATION STORAGE
Information Patent Application
TRACKING SIGNAL GENERATION DEVICE AND METHOD, REPRODUCTION DEVICE A...
- Publication number 20110141866
- Publication date Jun 16, 2011
- Pioneer Corporation
- Mitsuru Sato
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DRIVE DEVICE
- Publication number 20110128833
- Publication date Jun 2, 2011
- Tetsuya NISHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND...
- Publication number 20110090776
- Publication date Apr 21, 2011
- Masayuki ONO
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DRIVE APPARATUS
- Publication number 20110085431
- Publication date Apr 14, 2011
- TDK CORPORATION
- Tetsuya NISHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD APPARATUS, HOLOGRAPHIC OPTICAL DEVICE, OPTICAL INTEGRA...
- Publication number 20110069597
- Publication date Mar 24, 2011
- PANASONIC CORPORATION
- Hiroaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME
- Publication number 20110063967
- Publication date Mar 17, 2011
- Toshiteru NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE USING THE SAME
- Publication number 20110051574
- Publication date Mar 3, 2011
- TOSHITERU NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC APPARATUS AND OPTICAL DISC REPRODUCING METHOD
- Publication number 20110044142
- Publication date Feb 24, 2011
- Manabu SHIOZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICK-UP AND OPTICAL INFORMATION RECORDING AND REPRODUCING A...
- Publication number 20110013502
- Publication date Jan 20, 2011
- Hitachi Media Electronics Co., Ltd.
- Eriko TATSU
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC WITH PRE-RECORDED AND RECORDABLE REGIONS AND METHOD OF...
- Publication number 20100322055
- Publication date Dec 23, 2010
- John Matthew Town
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK DEVICE, METHOD OF CONTROLLING OPTICAL HEAD, AND CONTRO...
- Publication number 20100238777
- Publication date Sep 23, 2010
- Matsushita Electric Industrial Co., Ltd.
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE AND INFORMATION RECORDING/REPRODUCTION DEVICE
- Publication number 20100220576
- Publication date Sep 2, 2010
- Pioneer Corporation
- Ikuya Kikuchi
- G11 - INFORMATION STORAGE
Information Patent Application
INTEGRATED CIRCUIT, OPTICAL DISC SYSTEM AND TRACKING ERROR SIGNAL G...
- Publication number 20100195464
- Publication date Aug 5, 2010
- PANASONIC CORPORATION
- Tsuyoshi Katayama
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD APPARATUS AND OPTICAL DISC APPARATUS
- Publication number 20100149936
- Publication date Jun 17, 2010
- Hironori Nakahara
- G11 - INFORMATION STORAGE

Differential phase difference systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical recording medium drive device, tracking error detection method

Optical drive device

Compatible optical recording medium

Optical disc with pre-recorded and recordable regions and methods o...

Optical information processing device and tracking control method t...

Optical storage system having differential phase detector

Optical media servo tracking

Optical drive apparatus

Optical disk drive and method for determining type of a blu-ray disk

Recording adjusting method, information recording and reproducing d...

Servo control device and optical disc device

Optical pickup

Optical pickup apparatus

Optical storage system having differential phase detector

Semiconductor integrated circuit and optical disk device having the...

Optical pickup and optical disc apparatus

Optical pickup device and optical disc apparatus using same

Optical disc apparatus and optical disc reproducing method

Optical pickup device and optical disk device using the same

Apparatus for generating tracking signal

Photo diode ic

Record medium, optical disk unit using it, and recording method

Optical disk recording and playback apparatus and signal detection...

Phase error detection apparatus

Optical storage system having differential phase detector

Apparatus for and method of detecting tracking error signals

Differential phase detector

Tracking error signal detection apparatus and optical disc apparatus

Optical disc apparatus including a divided photodetector

Tracking error signal detection device and optical disc apparatus

Patents Applicationslast 30 patents

OPTICAL RECORDING MEDIUM DRIVE DEVICE, TRACKING ERROR DETECTION METHOD

OPTICAL PICKUP DEVICE, OPTICAL INFORMATION RECORDING DEVICE, OPTICA...

OPTICAL RECORDING MEDIUM DRIVING APPARATUS AND CROSS TRACK SIGNAL G...

STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD

Optical Pickup

SERVO CONTROL DEVICE AND OPTICAL DISC DEVICE

OPTICAL PICKUP APPARATUS

OPTICAL INFORMATION PROCESSING DEVICE AND TRACKING CONTROL METHOD T...

RECORDING ADJUSTING METHOD, INFORMATION RECORDING AND REPRODUCING D...

SEMICONDUCTOR INTEGRATED CIRCUIT AND OPTICAL DISK DEVICE HAVING THE...

STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING SAME

OPTICAL PICKUP

OPTICAL PICKUP AND OPTICAL DISC APPARATUS

Optical Disk Drive and Method for Performing Layer Jumps

Optical Disk Drive and Method for Determining Type of a Blu-Ray Disk

TRACKING SIGNAL GENERATION DEVICE AND METHOD, REPRODUCTION DEVICE A...

OPTICAL DRIVE DEVICE

OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND...

OPTICAL DRIVE APPARATUS

OPTICAL HEAD APPARATUS, HOLOGRAPHIC OPTICAL DEVICE, OPTICAL INTEGRA...

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME

OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE USING THE SAME

OPTICAL DISC APPARATUS AND OPTICAL DISC REPRODUCING METHOD

OPTICAL PICK-UP AND OPTICAL INFORMATION RECORDING AND REPRODUCING A...

OPTICAL DISC WITH PRE-RECORDED AND RECORDABLE REGIONS AND METHOD OF...

OPTICAL DISK DEVICE, METHOD OF CONTROLLING OPTICAL HEAD, AND CONTRO...

OPTICAL PICKUP DEVICE AND INFORMATION RECORDING/REPRODUCTION DEVICE

INTEGRATED CIRCUIT, OPTICAL DISC SYSTEM AND TRACKING ERROR SIGNAL G...

OPTICAL HEAD APPARATUS AND OPTICAL DISC APPARATUS