CA1121511A - Optical system for recording and reading an information on a tape - Google Patents
Optical system for recording and reading an information on a tapeInfo
- Publication number
- CA1121511A CA1121511A CA000302259A CA302259A CA1121511A CA 1121511 A CA1121511 A CA 1121511A CA 000302259 A CA000302259 A CA 000302259A CA 302259 A CA302259 A CA 302259A CA 1121511 A CA1121511 A CA 1121511A
- Authority
- CA
- Canada
- Prior art keywords
- tape
- spots
- beams
- recording
- reading
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000004048 modification Effects 0.000 claims abstract description 5
- 238000012986 modification Methods 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000306 recurrent effect Effects 0.000 claims 2
- 230000001427 coherent effect Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 230000007723 transport mechanism Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000012815 thermoplastic material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XJUNRGGMKUAPAP-UHFFFAOYSA-N dioxido(dioxo)molybdenum;lead(2+) Chemical compound [Pb+2].[O-][Mo]([O-])(=O)=O XJUNRGGMKUAPAP-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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
- G11B7/12—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
- G11B7/128—Modulators
-
- 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
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7712951A FR2389192A1 (fr) | 1977-04-29 | 1977-04-29 | Systeme optique d'enregistrement-lecture sur bande |
| FR7712951 | 1977-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1121511A true CA1121511A (en) | 1982-04-06 |
Family
ID=9190073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000302259A Expired CA1121511A (en) | 1977-04-29 | 1978-04-28 | Optical system for recording and reading an information on a tape |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4199783A (en, 2012) |
| JP (1) | JPS53136428A (en, 2012) |
| CA (1) | CA1121511A (en, 2012) |
| DE (1) | DE2818959A1 (en, 2012) |
| FR (1) | FR2389192A1 (en, 2012) |
| GB (1) | GB1595854A (en, 2012) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848231A (ja) * | 1981-09-09 | 1983-03-22 | ア−ノルド・エム・レバイン | 音声記録再生装置 |
| JPS6050631A (ja) * | 1983-08-29 | 1985-03-20 | Matsushita Electric Ind Co Ltd | 光学的記録・再生装置 |
| EP0241537A1 (en) * | 1985-10-10 | 1987-10-21 | Opticon Technology Incorporated | Apparatus for recording and reading optical data marks on an optical medium |
| US4937810A (en) * | 1986-04-23 | 1990-06-26 | Drexler Technology Corporation | Optical recording tape with continuous prerecorded tracks |
| US4957580A (en) * | 1986-04-23 | 1990-09-18 | Drexler Technology Corp. | Method for making an optical data card |
| US4884260A (en) * | 1986-04-23 | 1989-11-28 | Drexler Technology Corporation | Data recording system for optical memory tape |
| JPS6459597A (en) * | 1987-08-31 | 1989-03-07 | Hitachi Ltd | Information recorder |
| JP2595599B2 (ja) * | 1987-12-29 | 1997-04-02 | ソニー株式会社 | 情報記録装置 |
| US5112670A (en) * | 1991-07-29 | 1992-05-12 | Vastor Inc. | Quasi-randomly/serially accessible mass storage medium |
| DE4233655A1 (de) * | 1992-10-07 | 1994-04-14 | Futurum X Unternehmungsberatun | Verfahren zur Langzeitspeicherung elektronischer Daten auf einem optisch auslesbaren Trägermedium |
| GB9318804D0 (en) * | 1993-09-10 | 1993-10-27 | Ici Plc | Optical data recordal |
| EP0686298B1 (fr) * | 1993-12-23 | 2000-05-17 | Thomson-Csf | Procede et systeme optiques d'inscription/lecture d'information sur un support d'enregistrement |
| FR2723243B1 (fr) * | 1994-07-26 | 1996-09-06 | Thomson Csf | Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation |
| JPH09505927A (ja) * | 1994-09-21 | 1997-06-10 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 記録担体、記録デバイス及び読取りデバイス |
| FR2739965B1 (fr) * | 1995-10-17 | 1997-11-07 | Thomson Csf | Dispositif emetteur-recepteur de lumiere et systeme de lecture optique |
| FR2742911B1 (fr) * | 1995-12-21 | 1998-02-06 | Thomson Csf | Support d'enregistrement/lecture optique d'informations et procede d'enregistrement |
| FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
| FR2786345B1 (fr) | 1998-11-24 | 2001-02-09 | Thomson Csf | Dispositif de cryptage quantique |
| US7149173B2 (en) * | 2000-10-17 | 2006-12-12 | Thales | Medium for recording optically readable data, method for making same and optical system reproducing said data |
| FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
| FR2824905B1 (fr) * | 2001-05-15 | 2003-08-29 | Thomson Csf | Gyrometre a fibre optique |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3534166A (en) * | 1967-08-04 | 1970-10-13 | Zenith Radio Corp | Television picture recording and replay system |
| US3657473A (en) * | 1970-05-15 | 1972-04-18 | Zenith Radio Corp | Holographic image recording and reproducing system |
| FR2127373A5 (en, 2012) * | 1971-03-05 | 1972-10-13 | Thomson Csf | |
| US3841733A (en) * | 1973-12-05 | 1974-10-15 | Itek Corp | Optical waveguide system for producing a line of modulated radiation data |
| DE2543276A1 (de) * | 1975-09-27 | 1977-03-31 | Licentia Gmbh | Wiedergabesystem fuer auf einem bandfoermigen traeger aufgezeichnete informationen |
| HU175630B (hu) * | 1976-12-15 | 1980-09-28 | Mta Szamitastech Autom Kutato | Lazernoe ustrojstvo dlja registracii dannykh i signalov |
-
1977
- 1977-04-29 FR FR7712951A patent/FR2389192A1/fr active Granted
-
1978
- 1978-04-25 US US05/900,008 patent/US4199783A/en not_active Expired - Lifetime
- 1978-04-27 GB GB16839/78A patent/GB1595854A/en not_active Expired
- 1978-04-28 CA CA000302259A patent/CA1121511A/en not_active Expired
- 1978-04-28 JP JP5222678A patent/JPS53136428A/ja active Granted
- 1978-04-28 DE DE19782818959 patent/DE2818959A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2389192B1 (en, 2012) | 1981-06-12 |
| FR2389192A1 (fr) | 1978-11-24 |
| JPS6362807B2 (en, 2012) | 1988-12-05 |
| DE2818959C2 (en, 2012) | 1989-10-05 |
| GB1595854A (en) | 1981-08-19 |
| JPS53136428A (en) | 1978-11-29 |
| DE2818959A1 (de) | 1978-11-02 |
| US4199783A (en) | 1980-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |