FR2217761B1 - - Google Patents
Info
- Publication number
- FR2217761B1 FR2217761B1 FR7403777A FR7403777A FR2217761B1 FR 2217761 B1 FR2217761 B1 FR 2217761B1 FR 7403777 A FR7403777 A FR 7403777A FR 7403777 A FR7403777 A FR 7403777A FR 2217761 B1 FR2217761 B1 FR 2217761B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
-
- 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
- G11B7/0045—Recording
-
- 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
- G11B7/0903—Multi-beam tracking 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7301830,A NL174591C (nl) | 1973-02-09 | 1973-02-09 | Schijfvormig registratiedragerlichaam. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2217761A1 FR2217761A1 (fr) | 1974-09-06 |
FR2217761B1 true FR2217761B1 (fr) | 1976-11-26 |
Family
ID=19818174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7403777A Expired FR2217761B1 (fr) | 1973-02-09 | 1974-02-05 |
Country Status (14)
Country | Link |
---|---|
US (2) | US4807209A (fr) |
JP (2) | JPS5737922B2 (fr) |
AT (1) | AT342882B (fr) |
AU (1) | AU497689B2 (fr) |
BE (1) | BE810750A (fr) |
CA (1) | CA1018651A (fr) |
CH (2) | CH589342A5 (fr) |
DE (2) | DE2403013C3 (fr) |
ES (2) | ES423011A1 (fr) |
FR (1) | FR2217761B1 (fr) |
GB (1) | GB1465742A (fr) |
IT (1) | IT1004884B (fr) |
NL (1) | NL174591C (fr) |
SE (2) | SE398017B (fr) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR205839A1 (es) * | 1974-09-30 | 1976-06-07 | Mca Disco Vision | Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video |
JPS5191610A (fr) * | 1975-02-08 | 1976-08-11 | ||
JPS5842527B2 (ja) * | 1975-02-08 | 1983-09-20 | ティアック株式会社 | デイスクジヨウキロクバイタイヘノ ジヨウホウシンゴウノキロクホウホウ |
JPS5191612A (en) * | 1975-02-08 | 1976-08-11 | Kirokubaitaiheno johonokirokuhoho | |
JPS5817974B2 (ja) * | 1975-06-20 | 1983-04-11 | 松下電器産業株式会社 | キロクサイセイソウチ |
JPS5280007A (en) * | 1975-12-26 | 1977-07-05 | Sony Corp | Video disc |
GB1576426A (en) * | 1976-03-19 | 1980-10-08 | Rca Corp | Eccentricity compensating system in recording and playbackapparatus |
FR2365854A1 (fr) * | 1976-09-24 | 1978-04-21 | Thomson Brandt | Procede de fabrication d'un support d'information enregistrable et lisible optiquement et support obtenu par un tel procede |
FR2366636A1 (fr) * | 1976-10-01 | 1978-04-28 | Thomson Brandt | Dispositif d'enregistrement optique d'information sur un support avec asservissement de la position de la tache d'enregistrement sur le support d'information |
JPS5379333A (en) * | 1976-12-24 | 1978-07-13 | Hitachi Ltd | Memory unit |
AU520835B2 (en) * | 1977-03-24 | 1982-03-04 | World Development Laboratories | Optical recording system and method |
JPS5465503A (en) * | 1977-11-04 | 1979-05-26 | Hitachi Ltd | Information recorder-reproducer |
NL7802860A (nl) * | 1978-03-16 | 1979-09-18 | Philips Nv | Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen. |
US4488275A (en) * | 1978-03-27 | 1984-12-11 | Discovision Associates | Tracking system for video disc player |
SE7813460L (sv) * | 1978-03-27 | 1979-09-28 | Mca Disco Vision | Videoskivspelare |
US4439848A (en) * | 1978-03-27 | 1984-03-27 | Discovision Associates | Focusing system for video disc player |
USRE32709E (en) * | 1978-03-27 | 1988-07-05 | Discovision Associates | Tracking system for video disc player |
CA1165871A (fr) * | 1978-11-08 | 1984-04-17 | Kornelis Bulthuis | Support d'enregistrement optique |
JPS55125546A (en) * | 1979-03-20 | 1980-09-27 | Matsushita Electric Ind Co Ltd | Information recorder |
US4290122A (en) * | 1979-05-14 | 1981-09-15 | Xerox Corporation | Self-synchronizing clock source for optical memories |
US4283777A (en) * | 1979-05-14 | 1981-08-11 | Xerox Corporation | Optical memory having a parallel read out |
DE3066828D1 (en) * | 1979-07-16 | 1984-04-12 | Discovision Ass | Video player/recorder for recording on a blank disk and method for home recording |
GB2077065B (en) * | 1980-02-23 | 1985-01-09 | Sharp Kk | Magnetooptic memory medium |
JPS56119943A (en) * | 1980-02-26 | 1981-09-19 | Sharp Corp | Optical information recorder and reproducer |
FR2490858B1 (fr) * | 1980-09-25 | 1986-04-04 | Rca Corp | Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu |
FR2504765A1 (fr) * | 1981-04-27 | 1982-10-29 | Thomson Csf | Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee |
FR2509891B1 (fr) * | 1981-07-17 | 1986-12-05 | Thomson Csf | Dispositif optique d'enregistrement-lecture sur support d'information pregrave |
JPH0675297B2 (ja) * | 1981-08-28 | 1994-09-21 | 株式会社日立製作所 | 光学的情報記録再生装置 |
JPS5862630A (ja) * | 1981-10-08 | 1983-04-14 | Sony Corp | 光変調装置 |
US4445144A (en) * | 1981-12-21 | 1984-04-24 | Discovision Associates | Method for detecting eccentricity in a video disc and in a video disc player |
JPS5971141A (ja) * | 1982-10-14 | 1984-04-21 | Mitsubishi Electric Corp | 光学的信号読出し装置 |
JPH0719377B2 (ja) * | 1982-11-01 | 1995-03-06 | スタッフ・テクノロジー・パートナーズ・トウー | 光ディスクのアクセス―トラッキング用微動―粗動サーボシステム |
JPS5952439A (ja) * | 1983-08-15 | 1984-03-27 | Hitachi Ltd | 情報記録装置 |
CA1198209A (fr) * | 1983-11-24 | 1985-12-17 | Northern Telecom Limited | Disque optique |
NL8500153A (nl) * | 1985-01-22 | 1986-08-18 | Philips Nv | Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur. |
GB2178218B (en) * | 1985-06-28 | 1989-07-19 | Teac Corp | Rotary recording medium having a guide track and recording and reproducing apparatus therefor |
JPS61210546A (ja) * | 1986-02-01 | 1986-09-18 | Canon Inc | 記録媒体 |
US4936665A (en) * | 1987-10-25 | 1990-06-26 | Whitney Theodore R | High resolution imagery systems and methods |
JPH0197042U (fr) * | 1987-12-18 | 1989-06-28 | ||
JPH03228240A (ja) * | 1990-09-21 | 1991-10-09 | Sharp Corp | 磁気光学記憶素子 |
JPH04195938A (ja) * | 1990-11-28 | 1992-07-15 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
JP3743178B2 (ja) | 1998-10-05 | 2006-02-08 | ヤマハ株式会社 | 記録可能型光ディスクおよび光ディスク記録装置 |
US6455861B1 (en) * | 1998-11-24 | 2002-09-24 | Cambridge Research & Instrumentation, Inc. | Fluorescence polarization assay system and method |
AU2004265603B2 (en) * | 2003-06-23 | 2009-11-26 | Mnd Diagnostics Ltd. | Enzymatic diagnostic test for SARS and other viral diseases |
US7277018B2 (en) * | 2004-09-17 | 2007-10-02 | Incident Alert Systems, Llc | Computer-enabled, networked, facility emergency notification, management and alarm system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3337718A (en) * | 1964-01-02 | 1967-08-22 | Xerox Corp | Light scan recording and readout |
US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
DE2048431B2 (de) * | 1970-08-05 | 1974-01-10 | Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) | Verfahren zum Aufzeichnen von Informationen, vorzugsweise von solchen großer Bandbreite im Bereich von mehreren MHz, auf einem Träger |
DE2038874B2 (de) * | 1970-08-05 | 1973-01-04 | Teldec Telefunkendecca Schallplatten Gmbh, 2000 Hamburg | Verfahren zum Aufzeichnen von Signalen auf einen Speicher |
NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
NL7212044A (fr) * | 1972-09-05 | 1974-03-07 | ||
JPS4964405A (fr) * | 1972-10-20 | 1974-06-21 | ||
NL7301932A (fr) * | 1973-02-12 | 1974-08-14 |
-
1973
- 1973-02-09 NL NLAANVRAGE7301830,A patent/NL174591C/xx not_active IP Right Cessation
-
1974
- 1974-01-23 DE DE2403013A patent/DE2403013C3/de not_active Expired
- 1974-01-23 DE DE2462524A patent/DE2462524C3/de not_active Expired
- 1974-02-04 CA CA191,652A patent/CA1018651A/en not_active Expired
- 1974-02-05 FR FR7403777A patent/FR2217761B1/fr not_active Expired
- 1974-02-06 IT IT67329/74A patent/IT1004884B/it active
- 1974-02-06 CH CH165374A patent/CH589342A5/xx not_active IP Right Cessation
- 1974-02-06 CH CH1227076A patent/CH589343A5/xx not_active IP Right Cessation
- 1974-02-06 SE SE7401575A patent/SE398017B/xx not_active IP Right Cessation
- 1974-02-06 AU AU65255/74A patent/AU497689B2/en not_active Expired
- 1974-02-06 JP JP1460674A patent/JPS5737922B2/ja not_active Expired
- 1974-02-07 ES ES423011A patent/ES423011A1/es not_active Expired
- 1974-02-07 AT AT98674A patent/AT342882B/de not_active IP Right Cessation
- 1974-02-07 BE BE140674A patent/BE810750A/fr not_active IP Right Cessation
- 1974-02-09 GB GB244274A patent/GB1465742A/en not_active Expired
- 1974-08-17 ES ES429346A patent/ES429346A1/es not_active Expired
-
1976
- 1976-09-03 SE SE7609734A patent/SE414840B/xx not_active IP Right Cessation
-
1978
- 1978-11-02 JP JP13567978A patent/JPS54154304A/ja active Granted
-
1983
- 1983-05-31 US US06/499,571 patent/US4807209A/en not_active Expired - Lifetime
-
1988
- 1988-10-25 US US07/262,555 patent/US4962493A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL174591C (nl) | 1984-07-02 |
US4807209A (en) | 1989-02-21 |
AU497689B2 (en) | 1978-12-21 |
SE398017B (sv) | 1977-11-28 |
SE414840B (sv) | 1980-08-18 |
ES429346A1 (es) | 1976-08-16 |
FR2217761A1 (fr) | 1974-09-06 |
JPS5737922B2 (fr) | 1982-08-12 |
JPS54154304A (en) | 1979-12-05 |
JPS49113601A (fr) | 1974-10-30 |
GB1465742A (en) | 1977-03-02 |
DE2462524A1 (de) | 1977-07-07 |
DE2403013C3 (de) | 1978-05-24 |
ES423011A1 (es) | 1976-04-16 |
CH589343A5 (fr) | 1977-06-30 |
DE2462524B2 (de) | 1978-06-22 |
ATA98674A (de) | 1977-08-15 |
SE7609734L (sv) | 1976-09-03 |
JPS5758734B2 (fr) | 1982-12-10 |
AU6525574A (en) | 1975-08-07 |
CH589342A5 (fr) | 1977-06-30 |
NL174591B (nl) | 1984-02-01 |
AT342882B (de) | 1978-04-25 |
US4962493A (en) | 1990-10-09 |
BE810750A (fr) | 1974-08-07 |
NL7301830A (fr) | 1974-08-13 |
CA1018651A (en) | 1977-10-04 |
DE2462524C3 (de) | 1979-02-22 |
DE2403013B2 (de) | 1977-09-01 |
DE2403013A1 (de) | 1974-08-15 |
IT1004884B (it) | 1976-07-20 |