IN2014DN07288A - - Google Patents
Info
- Publication number
- IN2014DN07288A IN2014DN07288A IN7288DEN2014A IN2014DN07288A IN 2014DN07288 A IN2014DN07288 A IN 2014DN07288A IN 7288DEN2014 A IN7288DEN2014 A IN 7288DEN2014A IN 2014DN07288 A IN2014DN07288 A IN 2014DN07288A
- Authority
- IN
- India
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
- G11B7/0906—Differential phase difference systems
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/094—Methods and circuits for servo offset compensation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012048977 | 2012-03-06 | ||
PCT/JP2013/050804 WO2013132894A1 (en) | 2012-03-06 | 2013-01-17 | Optical recording medium drive device, tracking error detection method |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN07288A true IN2014DN07288A (en) | 2015-04-24 |
Family
ID=49116381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN7288DEN2014 IN2014DN07288A (en) | 2012-03-06 | 2014-08-29 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9087524B2 (en) |
EP (1) | EP2824664A1 (en) |
JP (1) | JP5871052B2 (en) |
KR (1) | KR20140138607A (en) |
CN (1) | CN104145307A (en) |
IN (1) | IN2014DN07288A (en) |
TW (1) | TW201337916A (en) |
WO (1) | WO2013132894A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI638527B (en) * | 2017-05-17 | 2018-10-11 | 立錡科技股份有限公司 | Digital to analog converter circuit and digital to analog conversion method |
US11287444B2 (en) | 2018-10-08 | 2022-03-29 | The Regents Of The University Of California | Array atomic force microscopy for enabling simultaneous multi-point and multi-modal nanoscale analyses and stimulations |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63175234A (en) | 1987-01-14 | 1988-07-19 | Pioneer Electronic Corp | Generating device for tracking error signal of optical disk player |
TW364992B (en) * | 1996-04-25 | 1999-07-21 | Toshiba Corp | Optic data regeneration apparatus and control method thereof |
JP3769888B2 (en) | 1997-03-03 | 2006-04-26 | ソニー株式会社 | Disk drive device |
JP3848089B2 (en) * | 2001-02-07 | 2006-11-22 | 株式会社東芝 | Tracking error signal detector |
TWI248610B (en) * | 2003-04-07 | 2006-02-01 | Mediatek Inc | Method and related apparatus for deriving a tracking error signal |
US8107329B1 (en) * | 2007-07-05 | 2012-01-31 | Marvell International Ltd. | Optical storage system having differential phase detector |
JP4577435B2 (en) | 2008-09-30 | 2010-11-10 | ソニー株式会社 | Tracking error signal detection apparatus and optical disk apparatus |
JP2012064256A (en) * | 2010-09-14 | 2012-03-29 | Renesas Electronics Corp | Tracking error signal generating device and tracking error signal generating method |
-
2012
- 2012-12-28 TW TW101150784A patent/TW201337916A/en unknown
-
2013
- 2013-01-17 US US14/381,243 patent/US9087524B2/en active Active
- 2013-01-17 WO PCT/JP2013/050804 patent/WO2013132894A1/en active Application Filing
- 2013-01-17 KR KR20147020909A patent/KR20140138607A/en not_active Application Discontinuation
- 2013-01-17 JP JP2014503513A patent/JP5871052B2/en active Active
- 2013-01-17 EP EP13757997.5A patent/EP2824664A1/en not_active Withdrawn
- 2013-01-17 CN CN201380011843.5A patent/CN104145307A/en active Pending
-
2014
- 2014-08-29 IN IN7288DEN2014 patent/IN2014DN07288A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN104145307A (en) | 2014-11-12 |
JP5871052B2 (en) | 2016-03-01 |
JPWO2013132894A1 (en) | 2015-07-30 |
EP2824664A1 (en) | 2015-01-14 |
TW201337916A (en) | 2013-09-16 |
KR20140138607A (en) | 2014-12-04 |
US9087524B2 (en) | 2015-07-21 |
WO2013132894A1 (en) | 2013-09-12 |
US20150138941A1 (en) | 2015-05-21 |