NO772674L - Optisk avlesningsinnretning for en opptegningsb{rer med str}lingsreflekterende informasjonsstruktur - Google Patents
Optisk avlesningsinnretning for en opptegningsb{rer med str}lingsreflekterende informasjonsstrukturInfo
- Publication number
- NO772674L NO772674L NO772674A NO772674A NO772674L NO 772674 L NO772674 L NO 772674L NO 772674 A NO772674 A NO 772674A NO 772674 A NO772674 A NO 772674A NO 772674 L NO772674 L NO 772674L
- Authority
- NO
- Norway
- Prior art keywords
- reading
- diode laser
- track
- radiation
- frequency
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 45
- 230000004888 barrier function Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 claims description 79
- 230000033001 locomotion Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 22
- 230000000737 periodic effect Effects 0.000 claims description 22
- 238000012937 correction Methods 0.000 claims description 10
- 201000009310 astigmatism Diseases 0.000 claims description 7
- 230000005693 optoelectronics Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 3
- 238000012552 review Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06233—Controlling other output parameters than intensity or frequency
- H01S5/06243—Controlling other output parameters than intensity or frequency controlling the position or direction of the emitted beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7608561A NL7608561A (nl) | 1976-08-02 | 1976-08-02 | Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772674L true NO772674L (no) | 1978-02-03 |
Family
ID=19826682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772674A NO772674L (no) | 1976-08-02 | 1977-07-27 | Optisk avlesningsinnretning for en opptegningsb{rer med str}lingsreflekterende informasjonsstruktur |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4365323A (es) |
| JP (4) | JPS5317706A (es) |
| AR (1) | AR216770A1 (es) |
| AT (1) | AT369937B (es) |
| AU (1) | AU514749B2 (es) |
| BE (1) | BE857364A (es) |
| BR (1) | BR7705041A (es) |
| CA (1) | CA1109559A (es) |
| CH (1) | CH623147A5 (es) |
| DE (3) | DE2760056A1 (es) |
| DK (1) | DK341777A (es) |
| ES (1) | ES461197A1 (es) |
| FR (1) | FR2360957A1 (es) |
| GB (1) | GB1584664A (es) |
| IT (1) | IT1085620B (es) |
| MX (1) | MX143157A (es) |
| NL (1) | NL7608561A (es) |
| NO (1) | NO772674L (es) |
| NZ (1) | NZ184779A (es) |
| PL (1) | PL116457B1 (es) |
| SE (3) | SE437737B (es) |
| ZA (1) | ZA773820B (es) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL186121C (nl) * | 1977-12-16 | 1990-09-17 | Mitsubishi Electric Corp | Automatisch focusseerapparaat. |
| NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
| JPS54133305A (en) * | 1978-04-07 | 1979-10-17 | Hitachi Ltd | Information recorder |
| JPS54146613A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Ltd | Optical head |
| JPS54160212A (en) * | 1978-06-09 | 1979-12-18 | Hitachi Ltd | Optical head for information processing |
| JPS5542369A (en) * | 1978-09-19 | 1980-03-25 | Mitsubishi Electric Corp | Pickup controller |
| JPS55150141A (en) * | 1979-05-14 | 1980-11-21 | Hitachi Ltd | Detecting method for control information |
| JPS56117339A (en) * | 1980-02-18 | 1981-09-14 | Hitachi Ltd | Optical information processor |
| US4333173A (en) * | 1979-06-15 | 1982-06-01 | Hitachi, Ltd. | Optical information processor with prismatic correction of laser beam shape |
| NL7904724A (nl) * | 1979-06-18 | 1980-12-22 | Philips Nv | Optische aftastinrichting met fokusseerstelsel. |
| NL8004159A (nl) * | 1979-08-03 | 1981-01-22 | Hitachi Ltd | Optische opneeminrichting. |
| FR2474740A1 (fr) * | 1980-01-24 | 1981-07-31 | Thomson Csf | Equipage mobile d'un lecteur enregistreur de videodisque, et lecteur enregistreur de videodisque comprenant un tel equipage |
| JPS56127938A (en) * | 1980-03-07 | 1981-10-07 | Seiko Instr & Electronics Ltd | Optical reproducer |
| NL182031C (nl) * | 1980-11-06 | 1987-12-16 | Philips Nv | Optisch stelsel dat een gekollimeerde lichtbundel levert. |
| JPS57111838A (en) * | 1980-12-27 | 1982-07-12 | Olympus Optical Co Ltd | Optical information reader |
| JPS5873023A (ja) * | 1981-10-27 | 1983-05-02 | Pioneer Electronic Corp | 情報読取装置におけるトラツキングサ−ボ信号発生装置 |
| JPS5880139A (ja) * | 1981-11-04 | 1983-05-14 | Sony Corp | 光学ヘツド |
| FR2521377A1 (fr) * | 1982-01-28 | 1983-08-12 | Ricoh Kk | Appareil d'enregistrement et de lecture optique |
| US4574371A (en) | 1982-02-20 | 1986-03-04 | Olympus Optical Company Limited | Apparatus for recording and reproducing information on an optical disc |
| EP0092420A1 (en) * | 1982-04-19 | 1983-10-26 | Xerox Corporation | Information storage systems |
| US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
| EP0097774A3 (en) * | 1982-06-30 | 1986-02-05 | International Business Machines Corporation | Transducing system |
| JPS5936338A (ja) * | 1982-08-24 | 1984-02-28 | Matsushita Electric Ind Co Ltd | 光デイスク記録再生方法 |
| US4621353A (en) * | 1982-09-09 | 1986-11-04 | Burroughs Corporation | Optical memory system providing improved focusing control and improved beam combining and separating apparatus |
| US4559622A (en) * | 1982-09-09 | 1985-12-17 | Burroughs Corporation | Optical memory system providing improved focus detection and control by detecting reflected beam diameter variations at spaced predetermined locations in the system |
| US4622659A (en) * | 1982-09-09 | 1986-11-11 | Burroughs Corporation | Focus detection and control apparatus for maintaining accurate focusing in an optical memory system by detecting reflected beam diameter variations at spaced predetermined locations |
| US4720088A (en) * | 1983-05-18 | 1988-01-19 | Canon Kabushiki Kaisha | Optical system supporting device |
| NL8303168A (nl) * | 1983-09-14 | 1985-04-01 | Philips Nv | Inrichting voor het uitlezen van balken gecodeerde informatie. |
| NL8400632A (nl) * | 1984-02-29 | 1985-09-16 | Philips Nv | Inrichting voor het opwekken van elektromagnetische straling. |
| DE3413748A1 (de) * | 1984-04-12 | 1985-10-17 | Telefunken electronic GmbH, 7100 Heilbronn | Optisches system |
| US4742506A (en) * | 1984-07-12 | 1988-05-03 | Sony Corporation | Tracking error detecting apparatus for an optical head with skew error reduction by using an inclined header portion |
| JPH0762913B2 (ja) * | 1984-08-17 | 1995-07-05 | 株式会社日立製作所 | 自動焦点制御方法 |
| JPS61174021U (es) * | 1986-03-20 | 1986-10-29 | ||
| US5047625A (en) * | 1987-11-04 | 1991-09-10 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system of laser beam reader |
| JP2772521B2 (ja) * | 1987-11-04 | 1998-07-02 | 旭光学工業株式会社 | 投光反射型光検出器の光学系 |
| US5043569A (en) * | 1987-11-04 | 1991-08-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system of laser beam reader |
| US5179269A (en) * | 1989-03-01 | 1993-01-12 | Asahi Kogaku Kogyo Kabushiki Kaisha | Bar code reader having an automatically actuated visible light laser beam |
| NL8901442A (nl) * | 1989-06-07 | 1991-01-02 | Philips Nv | Werkwijze en inrichting voor het bepalen van de positie van een vlak. |
| JPH0756706B2 (ja) * | 1991-09-13 | 1995-06-14 | 株式会社日立製作所 | 光ディスク装置 |
| JPH07140381A (ja) * | 1993-11-18 | 1995-06-02 | Sony Corp | コマ収差補正方法 |
| JPH0983082A (ja) * | 1995-09-19 | 1997-03-28 | Hitachi Ltd | 半導体レーザ素子及び光ディスク装置、並びに光軸調整方法 |
| WO2008103188A1 (en) * | 2007-02-23 | 2008-08-28 | Alfalight, Inc | High efficiency partial distributed feedback (p-dfb) laser |
| US8180950B2 (en) * | 2007-06-15 | 2012-05-15 | International Business Machines Corporation | Apparatus and method to manage information using an optical and holographic data storage medium |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402366A (en) * | 1965-02-26 | 1968-09-17 | Ibm | Beam scanning in injection lasers |
| US3436679A (en) * | 1966-03-07 | 1969-04-01 | Gen Electric | Semiconductor junction laser with electronically displaceable and deflectable beam |
| US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
| NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
| AR205243A1 (es) * | 1972-05-11 | 1976-04-21 | Philips Nv | Aparato para la lectura de un portador de grabacion reflector plano |
| NL7312139A (es) * | 1972-09-08 | 1974-03-12 | ||
| NL7215307A (es) * | 1972-11-11 | 1974-05-14 | ||
| JPS5951049B2 (ja) * | 1973-01-10 | 1984-12-12 | 株式会社日立製作所 | 情報再生装置 |
| DE2317157A1 (de) * | 1973-04-05 | 1974-10-31 | Applied Laser Technology Inc | Datenspeicher- und pruefvorrichtung |
| US3812477A (en) * | 1973-04-09 | 1974-05-21 | Ibm | Method for superresolution in an optical memory |
| JPS5148912B2 (es) * | 1973-05-22 | 1976-12-23 | ||
| DE2445333A1 (de) * | 1973-10-01 | 1975-04-10 | Philips Nv | Optoelektronisches system zur bestimmung einer abweichung zwischen der istlage und der sollage einer ebene in einem optischen abbildungssystem |
| NL7313454A (nl) * | 1973-10-01 | 1975-04-03 | Philips Nv | Opto-elektronisch stelsel voor het bepalen van een king tussen de werkelijke positie van een stralings kterend vlak in een optisch afbeeldingsstelsel en d ste positie van dit vlak. |
| FR2251876B1 (es) * | 1973-11-16 | 1977-09-23 | Thomson Brandt | |
| US3932700A (en) * | 1974-02-04 | 1976-01-13 | Zenith Radio Corporation | Focus tracking registration for optical reproducing systems |
| US3931460A (en) * | 1974-02-04 | 1976-01-06 | Zenith Radio Corporation | Video disc with multiturn undulating storage track |
| JPS5760693B2 (es) * | 1974-02-12 | 1982-12-21 | Sony Corp | |
| NL7402012A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. |
| FR2271585B1 (es) * | 1974-05-14 | 1976-10-15 | Philips Nv | |
| JPS5126560A (es) * | 1974-08-30 | 1976-03-04 | Hitachi Ltd | |
| US4190775A (en) * | 1975-02-18 | 1980-02-26 | Agency Of Industrial Science & Technology | Optical memory playback apparatus |
| JPS594772B2 (ja) * | 1976-06-02 | 1984-01-31 | 三菱電機株式会社 | 信号再生装置 |
-
1976
- 1976-08-02 NL NL7608561A patent/NL7608561A/xx not_active Application Discontinuation
-
1977
- 1977-06-24 ZA ZA00773820A patent/ZA773820B/xx unknown
- 1977-07-26 CA CA283,478A patent/CA1109559A/en not_active Expired
- 1977-07-27 AR AR268586A patent/AR216770A1/es active
- 1977-07-27 NO NO772674A patent/NO772674L/no unknown
- 1977-07-28 AU AU27417/77A patent/AU514749B2/en not_active Expired
- 1977-07-29 DE DE19772760056 patent/DE2760056A1/de active Pending
- 1977-07-29 SE SE7708701A patent/SE437737B/xx not_active IP Right Cessation
- 1977-07-29 IT IT26357/77A patent/IT1085620B/it active
- 1977-07-29 DK DK341777A patent/DK341777A/da not_active Application Discontinuation
- 1977-07-29 DE DE2760057A patent/DE2760057C2/de not_active Expired
- 1977-07-29 MX MX170033A patent/MX143157A/es unknown
- 1977-07-29 DE DE2734257A patent/DE2734257C2/de not_active Expired
- 1977-07-29 NZ NZ184779A patent/NZ184779A/xx unknown
- 1977-07-29 GB GB31959/77A patent/GB1584664A/en not_active Expired
- 1977-07-30 PL PL1977199971A patent/PL116457B1/pl unknown
- 1977-07-30 ES ES461197A patent/ES461197A1/es not_active Expired
- 1977-08-01 BR BR7705041A patent/BR7705041A/pt unknown
- 1977-08-01 BE BE179812A patent/BE857364A/xx not_active IP Right Cessation
- 1977-08-02 JP JP9231177A patent/JPS5317706A/ja active Granted
- 1977-08-02 FR FR7723734A patent/FR2360957A1/fr active Granted
- 1977-08-02 CH CH948677A patent/CH623147A5/de not_active IP Right Cessation
- 1977-08-02 AT AT0569577A patent/AT369937B/de not_active IP Right Cessation
-
1980
- 1980-03-17 US US06/130,906 patent/US4365323A/en not_active Expired - Lifetime
-
1984
- 1984-11-02 SE SE8405522A patent/SE453440B/sv not_active IP Right Cessation
- 1984-11-02 SE SE8405523A patent/SE8405523L/sv not_active Application Discontinuation
-
1988
- 1988-11-08 JP JP63280532A patent/JPH01264638A/ja active Pending
- 1988-11-08 JP JP63280531A patent/JPH01264637A/ja active Pending
- 1988-11-08 JP JP63280533A patent/JPH01271925A/ja active Pending
Also Published As
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