NL8902455A - Optische registratie- en reproductie-inrichting. - Google Patents
Optische registratie- en reproductie-inrichting. Download PDFInfo
- Publication number
- NL8902455A NL8902455A NL8902455A NL8902455A NL8902455A NL 8902455 A NL8902455 A NL 8902455A NL 8902455 A NL8902455 A NL 8902455A NL 8902455 A NL8902455 A NL 8902455A NL 8902455 A NL8902455 A NL 8902455A
- Authority
- NL
- Netherlands
- Prior art keywords
- signal
- recording
- area
- output
- amplitude
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 48
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
-
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
- G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2587—Laser Discs; Optical disc using analog recording
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24747488 | 1988-10-03 | ||
JP63247474A JP2703576B2 (ja) | 1988-10-03 | 1988-10-03 | 光デイスク装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8902455A true NL8902455A (nl) | 1990-05-01 |
Family
ID=17163993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8902455A NL8902455A (nl) | 1988-10-03 | 1989-10-03 | Optische registratie- en reproductie-inrichting. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5168488A (de) |
JP (1) | JP2703576B2 (de) |
DE (1) | DE3933018A1 (de) |
NL (1) | NL8902455A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696756A (en) * | 1995-04-14 | 1997-12-09 | Kabushiki Kaishia Toshiba | Optical disk having an evaluation pattern for evaluating the optical disk |
DE19930513A1 (de) * | 1999-07-05 | 2001-01-11 | Thomson Brandt Gmbh | Gerät zum Abtasten optischer Aufzeichnungsträger |
JP2006521653A (ja) * | 2003-03-24 | 2006-09-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 焦点オフセット領域を有する光ディスク |
JP2006025293A (ja) * | 2004-07-09 | 2006-01-26 | Matsushita Electric Ind Co Ltd | 信号伝送装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4564929A (en) * | 1981-11-25 | 1986-01-14 | Hitachi, Ltd. | Information recording and reproducing apparatus with tracking control by sampling |
FR2523347B1 (fr) * | 1982-03-12 | 1988-11-04 | Thomson Csf | Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support |
FR2548814B1 (fr) * | 1983-07-04 | 1986-05-02 | Thomson Csf | Procede et dispositif de remise en forme d'un signal de lecture de donnees enregistrees sur disque optique |
JPS6113450A (ja) * | 1984-06-28 | 1986-01-21 | Matsushita Electric Ind Co Ltd | 光学式情報記録再生装置 |
FR2567673B1 (fr) * | 1984-07-10 | 1986-11-07 | Thomson Alcatel Gigadisc | Support d'information inscriptible optiquement selon une piste definie par des motifs de pregravure et dispositif optique de suivi de piste mettant en oeuvre un tel support |
JPS62143276A (ja) * | 1985-12-18 | 1987-06-26 | Hitachi Ltd | デイスククリ−ナ機構 |
JPH0760573B2 (ja) * | 1986-01-27 | 1995-06-28 | 株式会社日立製作所 | 回転形記憶装置の書込み制御方式 |
DE3770283D1 (de) * | 1986-02-07 | 1991-07-04 | Sharp Kk | Optisches speichergeraet. |
-
1988
- 1988-10-03 JP JP63247474A patent/JP2703576B2/ja not_active Expired - Fee Related
-
1989
- 1989-09-28 US US07/413,855 patent/US5168488A/en not_active Expired - Fee Related
- 1989-10-03 NL NL8902455A patent/NL8902455A/nl not_active Application Discontinuation
- 1989-10-03 DE DE3933018A patent/DE3933018A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0296927A (ja) | 1990-04-09 |
DE3933018C2 (de) | 1992-05-14 |
US5168488A (en) | 1992-12-01 |
JP2703576B2 (ja) | 1998-01-26 |
DE3933018A1 (de) | 1990-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BI | The patent application has been withdrawn |