NL7204204A - - Google Patents
Info
- Publication number
- NL7204204A NL7204204A NL7204204A NL7204204A NL7204204A NL 7204204 A NL7204204 A NL 7204204A NL 7204204 A NL7204204 A NL 7204204A NL 7204204 A NL7204204 A NL 7204204A NL 7204204 A NL7204204 A NL 7204204A
- Authority
- NL
- Netherlands
Links
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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
-
- 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
- G11B7/0908—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 focusing only
-
- 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
- G11B7/0908—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 focusing only
- G11B7/0916—Foucault or knife-edge methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7204204,A NL171516C (nl) | 1972-03-29 | 1972-03-29 | Inrichting voor het langs optische weg uitlezen van een registratiedrager en plaatvormige registratiedrager bestemd om uitgelezen te worden met deze inrichting. |
| ZA731525A ZA731525B (en) | 1972-03-29 | 1973-03-05 | Apparatus for reading a record carrier in which information,for example,video and/or audio information,is recorded in at least one track |
| DE19732313741 DE2313741C3 (de) | 1972-03-29 | 1973-03-20 | Vorrichtung zum Abtasten eines Aufzeichnungsträgers und Datenträger, der mit der Vorrichtung lesbar ist |
| CA166,657A CA1022676A (en) | 1972-03-29 | 1973-03-21 | Apparatus for reading a record carrier in which information, for example, video and/or audio information, is recorded in at least one track |
| AU53708/73A AU479798B2 (en) | 1973-03-23 | Apparatus for reading a record carrier in which information, for example, video and/or audio information, is recorded in at least one track | |
| NO1239/73A NO141389C (no) | 1972-03-29 | 1973-03-26 | Apparat for avlesning av en opptegningsbaerer, i hvilken er opptegnet informasjon, f.eks. video- og/eller lydinformasjon, i minst ett spor |
| GB1445273A GB1428731A (en) | 1972-03-29 | 1973-03-26 | Apparatus for reading records by optical means |
| AT263273A AT328001B (de) | 1972-03-29 | 1973-03-26 | Vorrichtung zum auslesen von informationen, z.b. bild- und/oder toninformationen, die auf einem aufzeichnungstrager in mindestens einer spur aufgezeichnet sind |
| JP3441973A JPS5313122B2 (es) | 1972-03-29 | 1973-03-26 | |
| IT22144/73A IT983615B (it) | 1972-03-29 | 1973-03-26 | Apparecchiatura per leggere un mezzo portante di registrazioni con almeno una pista di registra zione |
| CH434573A CH562492A5 (es) | 1972-03-29 | 1973-03-26 | |
| DK165073A DK133212C (da) | 1972-03-29 | 1973-03-26 | Apparat til aflesning af en indspilningsberer hvori information f.eks. video og eller audioinformation er registreret i mindst et spor samt indspilningsberer bestemt til aflesning i et sadant apparat |
| SE7304203A SE388957B (sv) | 1972-03-29 | 1973-03-26 | Apparat for avlesning av en uppteckningsberare pa vilken information, exempelvis video- och/eller ljudinformation, er upptecknad i minst ett spar |
| ES413062A ES413062A1 (es) | 1972-03-29 | 1973-03-27 | Un aparato para leer un soporte de registro de informacion. |
| BE129319A BE797398A (fr) | 1972-03-29 | 1973-03-27 | Dispositif pour la lecture d'un support d'enregistrement ou l'information, par exemple de l'information visuelle et/ou sonore, est introduite sur au moins une piste |
| FR7311125A FR2178106B1 (es) | 1972-03-29 | 1973-03-28 | |
| US05/568,708 US4010317A (en) | 1972-03-29 | 1975-04-16 | Apparatus for reading a record carrier in which information, for example video and/or audio information, is recorded in at least one track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7204204,A NL171516C (nl) | 1972-03-29 | 1972-03-29 | Inrichting voor het langs optische weg uitlezen van een registratiedrager en plaatvormige registratiedrager bestemd om uitgelezen te worden met deze inrichting. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7204204A true NL7204204A (es) | 1973-10-02 |
| NL171516B NL171516B (nl) | 1982-11-01 |
| NL171516C NL171516C (nl) | 1983-04-05 |
Family
ID=19815734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7204204,A NL171516C (nl) | 1972-03-29 | 1972-03-29 | Inrichting voor het langs optische weg uitlezen van een registratiedrager en plaatvormige registratiedrager bestemd om uitgelezen te worden met deze inrichting. |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5313122B2 (es) |
| AT (1) | AT328001B (es) |
| BE (1) | BE797398A (es) |
| CA (1) | CA1022676A (es) |
| CH (1) | CH562492A5 (es) |
| DK (1) | DK133212C (es) |
| ES (1) | ES413062A1 (es) |
| FR (1) | FR2178106B1 (es) |
| GB (1) | GB1428731A (es) |
| IT (1) | IT983615B (es) |
| NL (1) | NL171516C (es) |
| NO (1) | NO141389C (es) |
| SE (1) | SE388957B (es) |
| ZA (1) | ZA731525B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2280150B1 (fr) * | 1974-07-26 | 1977-01-07 | Thomson Brandt | Dispositif de detection d'ecart de mise au point d'une tete de lecture optique par rapport a une surface de lecture |
| JPS5828656B2 (ja) * | 1978-01-24 | 1983-06-17 | 松下電器産業株式会社 | 光透過型情報担体の読取り装置 |
-
1972
- 1972-03-29 NL NLAANVRAGE7204204,A patent/NL171516C/xx not_active IP Right Cessation
-
1973
- 1973-03-05 ZA ZA731525A patent/ZA731525B/xx unknown
- 1973-03-21 CA CA166,657A patent/CA1022676A/en not_active Expired
- 1973-03-26 CH CH434573A patent/CH562492A5/xx not_active IP Right Cessation
- 1973-03-26 AT AT263273A patent/AT328001B/de not_active IP Right Cessation
- 1973-03-26 JP JP3441973A patent/JPS5313122B2/ja not_active Expired
- 1973-03-26 IT IT22144/73A patent/IT983615B/it active
- 1973-03-26 DK DK165073A patent/DK133212C/da active
- 1973-03-26 SE SE7304203A patent/SE388957B/xx unknown
- 1973-03-26 GB GB1445273A patent/GB1428731A/en not_active Expired
- 1973-03-26 NO NO1239/73A patent/NO141389C/no unknown
- 1973-03-27 BE BE129319A patent/BE797398A/xx unknown
- 1973-03-27 ES ES413062A patent/ES413062A1/es not_active Expired
- 1973-03-28 FR FR7311125A patent/FR2178106B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2313741B2 (de) | 1976-02-26 |
| NL171516C (nl) | 1983-04-05 |
| FR2178106B1 (es) | 1978-09-08 |
| ZA731525B (en) | 1974-10-30 |
| DK133212B (da) | 1976-04-05 |
| JPS5313122B2 (es) | 1978-05-08 |
| FR2178106A1 (es) | 1973-11-09 |
| NO141389C (no) | 1980-02-27 |
| NL171516B (nl) | 1982-11-01 |
| SE388957B (sv) | 1976-10-18 |
| GB1428731A (en) | 1976-03-17 |
| ATA263273A (de) | 1975-05-15 |
| BE797398A (fr) | 1973-09-27 |
| JPS4910057A (es) | 1974-01-29 |
| AT328001B (de) | 1976-02-25 |
| IT983615B (it) | 1974-11-11 |
| DE2313741A1 (de) | 1973-10-11 |
| ES413062A1 (es) | 1976-06-16 |
| NO141389B (no) | 1979-11-19 |
| AU5370873A (en) | 1974-09-26 |
| CH562492A5 (es) | 1975-05-30 |
| DK133212C (da) | 1977-03-28 |
| CA1022676A (en) | 1977-12-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |