DE3546067A1 - Aufzeichnungs/wiedergabegeraet fuer optische informationen - Google Patents
Aufzeichnungs/wiedergabegeraet fuer optische informationenInfo
- Publication number
- DE3546067A1 DE3546067A1 DE19853546067 DE3546067A DE3546067A1 DE 3546067 A1 DE3546067 A1 DE 3546067A1 DE 19853546067 DE19853546067 DE 19853546067 DE 3546067 A DE3546067 A DE 3546067A DE 3546067 A1 DE3546067 A1 DE 3546067A1
- Authority
- DE
- Germany
- Prior art keywords
- light beam
- medium
- recording
- time
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
-
- 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
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2207/00—Other aspects
- G06K2207/1018—Source control
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59275172A JPH0756705B2 (ja) | 1984-12-29 | 1984-12-29 | 光学的情報記録再生方法 |
JP60084111A JPH0727638B2 (ja) | 1985-04-19 | 1985-04-19 | 光学的情報記録再生方法 |
JP60084109A JP2592794B2 (ja) | 1985-04-19 | 1985-04-19 | 光学的情報記録再生方法 |
JP60124696A JPH0727639B2 (ja) | 1985-06-07 | 1985-06-07 | 光学的情報記録再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3546067A1 true DE3546067A1 (de) | 1986-07-03 |
DE3546067C2 DE3546067C2 (US06521211-20030218-C00004.png) | 1989-07-27 |
Family
ID=27466928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853546067 Granted DE3546067A1 (de) | 1984-12-29 | 1985-12-24 | Aufzeichnungs/wiedergabegeraet fuer optische informationen |
DE3546718A Expired - Lifetime DE3546718C2 (US06521211-20030218-C00004.png) | 1984-12-29 | 1985-12-24 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3546718A Expired - Lifetime DE3546718C2 (US06521211-20030218-C00004.png) | 1984-12-29 | 1985-12-24 |
Country Status (6)
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3742366A1 (de) * | 1986-12-12 | 1988-06-23 | Hitachi Ltd | Verfahren und vorrichtung zur optischen aufzeichnung und wiedergabe |
EP0279696A2 (en) * | 1987-02-20 | 1988-08-24 | Canon Kabushiki Kaisha | Method of accessing track in still state of recording medium and apparatus thereof |
EP0366000A2 (de) * | 1988-10-22 | 1990-05-02 | BASF Aktiengesellschaft | Verfahren und Anordnung zur Vermeidung von auf Verschleiss zurückführbaren Abtastfehlern in einer Magnetspeichereinrichtung |
EP0383562A1 (en) * | 1989-02-15 | 1990-08-22 | Canon Kabushiki Kaisha | Optical information recording and/or reproducing apparatus with device for prohibiting movement of optical head |
DE3916306A1 (de) * | 1989-05-19 | 1990-11-22 | Banss Kg Maschf | Vorrichtung zum aufbringen von codes auf schlachttiere |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4975138A (en) * | 1986-07-07 | 1990-12-04 | The Dow Chemical Company | Method for coating formed metal objects and products formed thereby |
JPS6446237A (en) * | 1987-08-12 | 1989-02-20 | Canon Kk | Optical information recording and reproducing device |
EP0306179B1 (en) * | 1987-08-31 | 1994-02-02 | Canon Kabushiki Kaisha | Information recording and/or reproducing apparatus provided with means for detecting any abnormality of tracking servo |
JPH01116926A (ja) * | 1987-10-29 | 1989-05-09 | Csk Corp | 光メモリカードの書込装置 |
JPH077528B2 (ja) * | 1988-01-25 | 1995-01-30 | キヤノン株式会社 | 光学式情報記録装置 |
US5138596A (en) * | 1988-07-11 | 1992-08-11 | Canon Kabushiki Kaisha | Optical information recording apparatus including means for delaying servo gain by a predetermined time |
JP2656812B2 (ja) * | 1988-10-12 | 1997-09-24 | キヤノン株式会社 | トラッキング制御装置 |
NL9000328A (nl) * | 1989-06-23 | 1991-01-16 | Philips Nv | Werkwijze en inrichting voor het aanbrengen van informatiepatronen op een registratiedrager. |
JP3011425B2 (ja) * | 1990-02-09 | 2000-02-21 | オリンパス光学工業株式会社 | 光学的情報記録再生装置 |
US5274621A (en) * | 1991-04-26 | 1993-12-28 | Olympus Optical Co., Ltd. | Information recording/reproduction apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2221914A1 (de) * | 1971-05-04 | 1972-11-16 | Thomson Csf | Anordnung zur Aufzeichnung von Motiven auf einem lichtempfindlichen Traeger |
US4419750A (en) | 1981-07-13 | 1983-12-06 | Eastman Kodak Company | Constant track width optical disk recording |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2010867A (en) * | 1934-03-13 | 1935-08-13 | Kubo Hisaji | Postcard for phonographic recording |
US3046836A (en) * | 1956-01-27 | 1962-07-31 | Kalart Co Inc | Strip film for picture and sound reproduction |
JPS5922292B2 (ja) * | 1975-12-01 | 1984-05-25 | 松下電器産業株式会社 | コウガクテキキロクサイセイソウチ |
JPS6057135B2 (ja) * | 1975-12-01 | 1985-12-13 | 松下電器産業株式会社 | 光学的記録再生装置 |
GB1509495A (en) * | 1976-04-08 | 1978-05-04 | Sony Corp | Record disc and method of producing the same |
DE2710166C2 (de) * | 1977-03-09 | 1984-09-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Mechanisch adressierter optischer Speicher |
JPS5641540A (en) * | 1979-09-10 | 1981-04-18 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing unit |
JPH0675334B2 (ja) * | 1981-05-01 | 1994-09-21 | 株式会社東芝 | 光デイスク装置 |
JPS58189840A (ja) * | 1982-04-30 | 1983-11-05 | Hitachi Ltd | 光学的情報処理装置 |
JPS59127266A (ja) * | 1983-01-07 | 1984-07-23 | Canon Inc | 情報再生装置 |
JP2719549B2 (ja) * | 1983-10-12 | 1998-02-25 | ドレクスラ−・テクノロジ−・コ−ポレ−ション | 4倍密度光学データシステム |
AU567800B2 (en) * | 1984-03-24 | 1987-12-03 | Sony Corporation | Optical disc player |
-
1985
- 1985-12-24 DE DE19853546067 patent/DE3546067A1/de active Granted
- 1985-12-24 GB GB08531770A patent/GB2172138A/en active Granted
- 1985-12-24 DE DE3546718A patent/DE3546718C2/de not_active Expired - Lifetime
- 1985-12-27 CA CA000498689A patent/CA1267725A/en not_active Expired
- 1985-12-27 FR FR858519290A patent/FR2580413B1/fr not_active Expired - Lifetime
- 1985-12-30 CH CH5555/85A patent/CH665043A5/fr not_active IP Right Cessation
-
1988
- 1988-03-03 US US07/166,802 patent/US4912697A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2221914A1 (de) * | 1971-05-04 | 1972-11-16 | Thomson Csf | Anordnung zur Aufzeichnung von Motiven auf einem lichtempfindlichen Traeger |
US4419750A (en) | 1981-07-13 | 1983-12-06 | Eastman Kodak Company | Constant track width optical disk recording |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3742366A1 (de) * | 1986-12-12 | 1988-06-23 | Hitachi Ltd | Verfahren und vorrichtung zur optischen aufzeichnung und wiedergabe |
EP0279696A2 (en) * | 1987-02-20 | 1988-08-24 | Canon Kabushiki Kaisha | Method of accessing track in still state of recording medium and apparatus thereof |
EP0279696A3 (en) * | 1987-02-20 | 1989-05-24 | Canon Kabushiki Kaisha | Method of accessing track in still state of recording medium and apparatus thereof |
US4982391A (en) * | 1987-02-20 | 1991-01-01 | Canon Kabushiki Kaisha | Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction |
EP0366000A2 (de) * | 1988-10-22 | 1990-05-02 | BASF Aktiengesellschaft | Verfahren und Anordnung zur Vermeidung von auf Verschleiss zurückführbaren Abtastfehlern in einer Magnetspeichereinrichtung |
EP0366000A3 (de) * | 1988-10-22 | 1991-07-17 | BASF Aktiengesellschaft | Verfahren und Anordnung zur Vermeidung von auf Verschleiss zurückführbaren Abtastfehlern in einer Magnetspeichereinrichtung |
EP0383562A1 (en) * | 1989-02-15 | 1990-08-22 | Canon Kabushiki Kaisha | Optical information recording and/or reproducing apparatus with device for prohibiting movement of optical head |
DE3916306A1 (de) * | 1989-05-19 | 1990-11-22 | Banss Kg Maschf | Vorrichtung zum aufbringen von codes auf schlachttiere |
Also Published As
Publication number | Publication date |
---|---|
CA1267725A (en) | 1990-04-10 |
FR2580413B1 (fr) | 1991-01-04 |
CH665043A5 (fr) | 1988-04-15 |
GB8531770D0 (en) | 1986-02-05 |
FR2580413A1 (fr) | 1986-10-17 |
GB2172138A (en) | 1986-09-10 |
DE3546718C2 (US06521211-20030218-C00004.png) | 1990-06-28 |
US4912697A (en) | 1990-03-27 |
DE3546067C2 (US06521211-20030218-C00004.png) | 1989-07-27 |
GB2172138B (US06521211-20030218-C00004.png) | 1989-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3545996C2 (US06521211-20030218-C00004.png) | ||
DE3546067A1 (de) | Aufzeichnungs/wiedergabegeraet fuer optische informationen | |
DE3851943T2 (de) | Verfahren und Gerät zur Aufnahme von magneto-optischen Platten. | |
DE69724520T2 (de) | Verfahren zur Unterscheidung optischer Platten | |
DE3604604A1 (de) | Verfahren und vorrichtung zur einstellung eines spurnachfuehrungs-servokreises | |
DE2541520B2 (de) | Einrichtung zum optischen ausrichten des abtastsystems auf einen informationskanal einer videoplatte | |
DE3602640A1 (de) | Optisches informations- aufzeichnungs-/wiedergabesystem | |
DE3443606C2 (US06521211-20030218-C00004.png) | ||
DE3227654A1 (de) | Optische informationsaufzeichnungs-/wiedergabe-einrichtung | |
DE3880527T2 (de) | Zugriffsverfahren zu einer Spur eines Aufzeichnungsmediums im stillstehenden Zustand und Gerät dafür. | |
DE3217701A1 (de) | Einrichtung zum optischen auslesen von information, die in im wesentlichen parallel zueinander verlaufenden signalspuren auf einem aufzeichnungsmedium aufgezeichnet ist | |
DE3314666C2 (de) | Optisch arbeitendes Abspielgerät | |
DE3409409A1 (de) | Schaltungsanordnung zum steuern der spurlage in einem optischen plattenspieler | |
DE68922718T2 (de) | Verfahren zur Einstellung der Schleifenverstärkung von Servoschleifen in einem Plattenspieler. | |
DE3830745C2 (US06521211-20030218-C00004.png) | ||
DE3214950C2 (US06521211-20030218-C00004.png) | ||
DE3730555C2 (US06521211-20030218-C00004.png) | ||
DE3610589C2 (US06521211-20030218-C00004.png) | ||
DE69933251T2 (de) | Aufzeichnungstechnik für optische Platten zur Bildung von genau spurzentrierten Pits und Servoabgleicheinstellungstechnik zur Aufzeichnung auf optischen Platten | |
DE60114485T2 (de) | Fokussuchverfahren und optisches Plattengerät | |
DE3245000C2 (US06521211-20030218-C00004.png) | ||
DE3831923A1 (de) | Optisches geraet zum fokussieren eines lichtstrahls auf ein objekt fuer datenaufzeichnung | |
DE3302240C2 (US06521211-20030218-C00004.png) | ||
DE3042108A1 (de) | Rillenfuehrungsservosteuervorrichtung | |
DE3439904C2 (US06521211-20030218-C00004.png) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 3546718 Format of ref document f/p: P |
|
Q171 | Divided out to: |
Ref country code: DE Ref document number: 3546718 |
|
AH | Division in |
Ref country code: DE Ref document number: 3546718 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AH | Division in |
Ref country code: DE Ref document number: 3546718 Format of ref document f/p: P |
|
8339 | Ceased/non-payment of the annual fee |