TWI257084B - Shock detector for optical disc recorders and shock-proof recording method using the same - Google Patents
Shock detector for optical disc recorders and shock-proof recording method using the sameInfo
- Publication number
- TWI257084B TWI257084B TW091123388A TW91123388A TWI257084B TW I257084 B TWI257084 B TW I257084B TW 091123388 A TW091123388 A TW 091123388A TW 91123388 A TW91123388 A TW 91123388A TW I257084 B TWI257084 B TW I257084B
- Authority
- TW
- Taiwan
- Prior art keywords
- shock
- detecting
- signal
- level
- recording
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/12—Recording devices
- G01P1/127—Recording devices for acceleration values
-
- 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
- G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/08—Insulation or absorption of undesired vibrations or sounds
-
- 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW091123388A TWI257084B (en) | 2002-10-09 | 2002-10-09 | Shock detector for optical disc recorders and shock-proof recording method using the same |
US10/679,441 US7236437B2 (en) | 2002-10-09 | 2003-10-07 | Shock detector for optical disc recorders and shock-proof recording method using shock signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW091123388A TWI257084B (en) | 2002-10-09 | 2002-10-09 | Shock detector for optical disc recorders and shock-proof recording method using the same |
Publications (1)
Publication Number | Publication Date |
---|---|
TWI257084B true TWI257084B (en) | 2006-06-21 |
Family
ID=32067585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091123388A TWI257084B (en) | 2002-10-09 | 2002-10-09 | Shock detector for optical disc recorders and shock-proof recording method using the same |
Country Status (2)
Country | Link |
---|---|
US (1) | US7236437B2 (zh) |
TW (1) | TWI257084B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI319870B (en) * | 2004-04-13 | 2010-01-21 | Anti-burn method | |
JP2006202435A (ja) * | 2005-01-21 | 2006-08-03 | Fujitsu Ten Ltd | ディスクチェンジャ |
CN101268518A (zh) * | 2005-09-22 | 2008-09-17 | 皇家飞利浦电子股份有限公司 | 光存储系统和用于改善光存储系统可靠性的方法 |
WO2008041164A1 (en) * | 2006-10-02 | 2008-04-10 | Koninklijke Philips Electronics N.V. | An optical disk player and a system for detecting accelerations of the optical disc player |
US8508464B2 (en) * | 2007-01-31 | 2013-08-13 | Richtek Technology Corporation | Backlight control circuit capable of distinguishing under current condition |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6074129A (ja) * | 1983-09-30 | 1985-04-26 | Sony Corp | 光学式デイスクのトラツキングサ−ボ回路 |
JPS6139940A (ja) * | 1984-07-31 | 1986-02-26 | Pioneer Electronic Corp | 光情報デイスク再生装置 |
US5212678A (en) * | 1989-11-23 | 1993-05-18 | U.S. Philips Corporation | System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information |
DE4103974A1 (de) * | 1991-02-09 | 1992-08-13 | Thomson Brandt Gmbh | Optisches aufzeichnungs- und/oder wiedergabegeraet |
JP2948090B2 (ja) * | 1994-03-04 | 1999-09-13 | 日本コロムビア株式会社 | 光担体記録装置 |
GB2310297B (en) * | 1996-02-15 | 1998-12-16 | Matsushita Electric Ind Co Ltd | Motor control system |
US5886966A (en) * | 1996-05-16 | 1999-03-23 | Sanyo Electric Co., Ltd. | Optical disk vibration sensing and reproducing device |
JP3877479B2 (ja) * | 1999-11-29 | 2007-02-07 | 三洋電機株式会社 | ディスク記録装置 |
JP2001344756A (ja) * | 2000-05-30 | 2001-12-14 | Ricoh Co Ltd | 情報記録装置 |
TW477967B (en) * | 2000-10-25 | 2002-03-01 | Mediatek Inc | Continuously connecting recording method of recordable compact discs and driver using the method |
US7023781B2 (en) * | 2000-10-31 | 2006-04-04 | Ricoh Company, Ltd. | Optical disk apparatus |
JP2002230772A (ja) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | データ記録装置及びデータ記録装制御装置 |
US7130255B2 (en) * | 2002-04-19 | 2006-10-31 | Gateway Inc. | Method of CD/DVD vibration detection by monitoring motor conditions |
-
2002
- 2002-10-09 TW TW091123388A patent/TWI257084B/zh not_active IP Right Cessation
-
2003
- 2003-10-07 US US10/679,441 patent/US7236437B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040069962A1 (en) | 2004-04-15 |
US7236437B2 (en) | 2007-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY110064A (en) | Radio system. | |
CN102067450A (zh) | 电容性接近性设备和包括电容性接近性设备的电子设备 | |
TW428168B (en) | Optical information reproducing device and signal processing circuit used therein | |
TW368649B (en) | Power control method for laser, data recording method of optical disk and optical disk recording device | |
MY130581A (en) | Write once optical disc recording apparatus | |
MY109893A (en) | Optical information recording or reproducing apparatus. | |
DE3370393D1 (en) | Disc playback apparatus | |
MY122342A (en) | Enhanced noise-predictive maximun likehood (npml) data detection method and apparatus for direct access storage device (dasd) | |
JPH0255866B2 (zh) | ||
EP0814462A3 (en) | Signal recovery and error detection means for an information recording medium | |
MY120534A (en) | Apparatus and detection unit for scanning an optically readable record carrier | |
MY123099A (en) | Automatic disk discriminating method and apparatus in optical disk system | |
EP0834876A3 (en) | Disk format detecting device and method | |
JPS5848209A (ja) | 情報信号有無判別回路装置 | |
TWI257084B (en) | Shock detector for optical disc recorders and shock-proof recording method using the same | |
EP1047065A3 (en) | Device and method for reducing crosstalk and intersymbol interference | |
MY123401A (en) | Apparatus for reading from or writing to optical recording media | |
JP3593461B2 (ja) | 遠隔制御用受信装置 | |
JPS5788532A (en) | Recording error detection method in optical type recorder | |
TW200515402A (en) | A method for detecting disc run-out of optic disk drive and a device thereof | |
EP0331585A3 (en) | Method for deconvolution of unknown source signatures from unknown waveform data | |
MY121977A (en) | Disk detecting device and method | |
TW200519871A (en) | Recording method and apparatus for optical disk device | |
SU574757A1 (ru) | Способ обнаружени загр знени рабочей поверхности магнитной головки и устройство дл его осуществлени | |
WO2005043180A3 (en) | Wave detection methods and apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |