DE2211049C3 - - Google Patents
Info
- Publication number
- DE2211049C3 DE2211049C3 DE19722211049 DE2211049A DE2211049C3 DE 2211049 C3 DE2211049 C3 DE 2211049C3 DE 19722211049 DE19722211049 DE 19722211049 DE 2211049 A DE2211049 A DE 2211049A DE 2211049 C3 DE2211049 C3 DE 2211049C3
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- grid
- sub
- information carrier
- strips
- 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
- 230000005855 radiation Effects 0.000 claims description 83
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000011896 sensitive detection Methods 0.000 claims description 8
- 238000012634 optical imaging Methods 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 241000396922 Pontia daplidice Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7103234,A NL172202C (nl) | 1971-03-11 | 1971-03-11 | Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen. |
| NL7103234 | 1971-03-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2211049A1 DE2211049A1 (de) | 1972-09-21 |
| DE2211049B2 DE2211049B2 (de) | 1976-10-07 |
| DE2211049C3 true DE2211049C3 (enrdf_load_stackoverflow) | 1977-05-18 |
Family
ID=19812662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722211049 Granted DE2211049B2 (de) | 1971-03-11 | 1972-03-08 | Vorrichtung zum auslesen eines plattenfoermigen informationstraegers, der in optischer form kodierte bild- und/oder tonsignale enthaelt |
Country Status (18)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034403A (en) * | 1971-03-11 | 1977-07-05 | U.S. Philips Corporation | Apparatus for positional control of a reading head in a device for reproducing optically coded video disk recordings |
| US4010317A (en) * | 1972-03-29 | 1977-03-01 | U.S. Philips Corporation | Apparatus for reading a record carrier in which information, for example video and/or audio information, is recorded in at least one track |
| US5175725A (en) * | 1972-08-25 | 1992-12-29 | Thomson-Csf | Optical disk arrangement with closed contours whose entire extent represents information |
| US5182743A (en) * | 1972-08-25 | 1993-01-26 | Thomson-Csf | Optical disk arrangement with diffractive tracks allowing positional control |
| FR2197495A5 (enrdf_load_stackoverflow) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
| NL161284C (nl) * | 1972-09-02 | 1980-01-15 | Philips Nv | Weergavestelsel voor een optisch uitleesbare informatie- structuur, alsmede registratiedrager voor gebruik daarin. |
| JPS5016423A (enrdf_load_stackoverflow) * | 1973-06-11 | 1975-02-21 | ||
| FR2235354A1 (en) * | 1973-06-29 | 1975-01-24 | Thomson Csf | Photoelectric optical test sensor - measures displacement of a diffraction screen with constant spacing in the test sensor plane |
| NL7402504A (nl) * | 1974-02-25 | 1975-08-27 | Philips Nv | Inrichting voor het langs optische weg uitlezen van een registratiedrager. |
| 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. |
| 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 |
| NL7314267A (nl) * | 1973-10-17 | 1975-04-21 | Philips Nv | Registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur. |
| US4037252A (en) * | 1973-11-10 | 1977-07-19 | U.S. Philips Corporation | Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking |
| FR2251876B1 (enrdf_load_stackoverflow) * | 1973-11-16 | 1977-09-23 | Thomson Brandt | |
| NL7316384A (nl) * | 1973-11-29 | 1975-06-02 | Philips Nv | Inrichting voor het optisch uitlezen van een reflekterende registratiedrager. |
| NL7401805A (nl) * | 1974-02-09 | 1975-08-12 | Philips Nv | Inrichting voor het instellen van het beeld en informatiestruktuur op een omzetter. |
| NL7402012A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. |
| NL7402768A (nl) * | 1974-02-28 | 1975-09-01 | Philips Nv | Inrichting voor het schrijven en/of weergeven van informatie in respektievelijk van een draaiende schijfvormige registratiedrager. |
| US3997715A (en) * | 1974-03-25 | 1976-12-14 | Mca Disco-Vision, Inc. | Focusing system for videodisc player |
| US4219704A (en) * | 1974-10-21 | 1980-08-26 | Eli S. Jacobs | Record playback apparatus for optical data records |
| US3932701A (en) * | 1975-01-29 | 1976-01-13 | Zenith Radio Corporation | Self-compensating focus system for a reflective video disc |
| US3959581A (en) * | 1975-01-29 | 1976-05-25 | Zenith Radio Corporation | Self-compensating focus system for optical video playback device |
| US4180830A (en) * | 1977-06-28 | 1979-12-25 | Rca Corporation | Depth estimation system using diffractive effects of the grooves and signal elements in the grooves |
| US4155098A (en) * | 1977-06-28 | 1979-05-15 | Rca Corporation | Groove depth estimation system using diffractive groove effects |
| US4193090A (en) * | 1977-08-15 | 1980-03-11 | Zenith Radio Corporation | Optical detection system for simultaneously interrogating a plurality of tracks |
| NL7904724A (nl) * | 1979-06-18 | 1980-12-22 | Philips Nv | Optische aftastinrichting met fokusseerstelsel. |
| US4689481A (en) * | 1984-06-14 | 1987-08-25 | Nec Corporation | Focus error detector and optical head using the same |
| JPS62145546A (ja) * | 1985-12-20 | 1987-06-29 | Asahi Optical Co Ltd | 光デイスク情報再生装置 |
| NL8601876A (nl) * | 1986-07-18 | 1988-02-16 | Philips Nv | Inrichting voor het aftasten van een optische registratiedrager. |
| US4843494A (en) * | 1987-10-15 | 1989-06-27 | Polaroid Corporation | Data storage apparatus using optical servo tracks |
| DE4404635C2 (de) * | 1993-02-17 | 1998-06-18 | Hitachi Ltd | Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen |
| US5995481A (en) * | 1995-09-12 | 1999-11-30 | Wea Manufacturing Inc. | Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3553455A (en) * | 1968-03-01 | 1971-01-05 | Copal Co Ltd | Automatic focusing apparatus by means of phase discrimination |
| NL6813749A (enrdf_load_stackoverflow) * | 1968-09-26 | 1970-04-01 | ||
| DE2003492A1 (de) * | 1970-01-27 | 1971-08-12 | Leitz Ernst Gmbh | Messverfahren fuer Schrittgeber zum Messen von Laengen oder Winkeln sowie Anordnungen zur Durchfuehrung dieses Messverfahrens |
| US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
| DE2121379C3 (de) * | 1971-04-30 | 1979-10-18 | Heinz 3000 Hannover Preuss | Audiovisuelles Wiedergabegerät und dafür bestimmte Bild-Ton-Platte |
-
1971
- 1971-03-11 NL NLAANVRAGE7103234,A patent/NL172202C/xx not_active IP Right Cessation
-
1972
- 1972-02-21 ZA ZA721139A patent/ZA721139B/xx unknown
- 1972-02-25 US US00229291A patent/US3833769A/en not_active Expired - Lifetime
- 1972-03-07 AU AU39687/72A patent/AU467296B2/en not_active Expired
- 1972-03-08 GB GB1079272A patent/GB1391335A/en not_active Expired
- 1972-03-08 JP JP2327672A patent/JPS5426882B1/ja active Pending
- 1972-03-08 DK DK107172A patent/DK132974C/da active
- 1972-03-08 IT IT67734/72A patent/IT952935B/it active
- 1972-03-08 AT AT193472A patent/AT318023B/de not_active IP Right Cessation
- 1972-03-08 SE SE7202925A patent/SE383219B/xx unknown
- 1972-03-08 DE DE19722211049 patent/DE2211049B2/de active Granted
- 1972-03-08 CH CH341372A patent/CH549837A/xx not_active IP Right Cessation
- 1972-03-08 CA CA136,519A patent/CA957067A/en not_active Expired
- 1972-03-08 NO NO741/72A patent/NO138311C/no unknown
- 1972-03-09 BE BE780452A patent/BE780452A/xx unknown
- 1972-03-09 ES ES400581A patent/ES400581A1/es not_active Expired
- 1972-03-10 BR BR1391/72A patent/BR7201391D0/pt unknown
- 1972-03-13 FR FR7208627A patent/FR2129627A5/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2211049C3 (enrdf_load_stackoverflow) | ||
| DE2211049B2 (de) | Vorrichtung zum auslesen eines plattenfoermigen informationstraegers, der in optischer form kodierte bild- und/oder tonsignale enthaelt | |
| DE3737278C2 (enrdf_load_stackoverflow) | ||
| DE3510498C2 (enrdf_load_stackoverflow) | ||
| DE69406823T2 (de) | Geschwindigkeitssensor | |
| EP0367814B1 (de) | Vorrichtung zum feststellen der relativen lage einer bezugsachse eines objekts bezüglich eines referenzstrahls, insbesondere eines laserstrahls | |
| DE102004048237A1 (de) | Codierer, der eine reflektierende zylindrische Oberfläche verwendet | |
| DE4226683A1 (de) | Optischer bewegungsaufnehmer | |
| DE3700777A1 (de) | Vorrichtung zur ermittlung einer bezugsposition und mit dieser vorrichtung ausgestatteter verschluessler | |
| DE3220024A1 (de) | Optischer sensor | |
| WO2008141817A2 (de) | Optoelektronisches lagemessverfahren und optoelektronische lagemesseinrichtung | |
| DE2937427C2 (enrdf_load_stackoverflow) | ||
| DE69834602T2 (de) | Optische Spurdetektionsvorrichtung | |
| DE1903822A1 (de) | System zur Wiedergabe gespeicherter Signale | |
| DE10058239B4 (de) | Positionsmeßeinrichtung | |
| DE19731545C1 (de) | Vorrichtung und Verfahren zum optischen Erfassen der Verformung einer Fläche | |
| EP0754933B1 (de) | Positionsmessvorrichtung | |
| DE2552391C3 (de) | Vorrichtung zum Auslesen eines Strahlungsreflektierenden Aufzeichnungsträgers auf optischem Wege | |
| EP0467127A2 (de) | Verfahren und Anordung zur optischen Erfassung und Auswertung von Streulichtsignalen | |
| DE2810566C2 (enrdf_load_stackoverflow) | ||
| DE2636464A1 (de) | Aufzeichnungstraeger mit einer optisch auslesbaren entlang spuren angeordneten informationsstruktur und vorrichtung zum auslesen desselben | |
| DE3048132A1 (de) | Automatisches linsenmessgeraet | |
| CH421531A (de) | Messvorrichtung zur Bestimmung der Grösse und Richtung der Bewegung eines Gegenstandes | |
| DE2443791A1 (de) | Vorrichtung zur bestimmung mindestens einer koordinate der lage eines punktes | |
| DE4303162A1 (de) | Photoelektrisches Längen- bzw. Winkelmeßsystem |