NL171516C - DEVICE FOR READING A REGISTRATION CARRIER ALONG OPTICAL ROAD AND PLATFORM REGISTRATION CARRIERS INTENDED FOR READING WITH THIS DEVICE. - Google Patents
DEVICE FOR READING A REGISTRATION CARRIER ALONG OPTICAL ROAD AND PLATFORM REGISTRATION CARRIERS INTENDED FOR READING WITH THIS DEVICE.Info
- Publication number
- NL171516C NL171516C NLAANVRAGE7204204,A NL7204204A NL171516C NL 171516 C NL171516 C NL 171516C NL 7204204 A NL7204204 A NL 7204204A NL 171516 C NL171516 C NL 171516C
- Authority
- NL
- Netherlands
- Prior art keywords
- reading
- registration
- along optical
- carrier along
- optical road
- Prior art date
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 (en) | 1972-03-29 | 1972-03-29 | DEVICE FOR READING A REGISTRATION CARRIER ALONG OPTICAL ROAD AND PLATFORM REGISTRATION CARRIERS INTENDED FOR READING WITH THIS DEVICE. |
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 (en) | 1972-03-29 | 1973-03-20 | Device for scanning a recording medium and data carrier which can be read with the device |
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 | |
CH434573A CH562492A5 (en) | 1972-03-29 | 1973-03-26 | |
SE7304203A SE388957B (en) | 1972-03-29 | 1973-03-26 | DEVICE FOR READING A RECORD CARRIER ON WHICH INFORMATION, FOR EXAMPLE VIDEO AND / OR AUDIO INFORMATION, IS RECORDED IN AT LEAST ONE SAVE |
GB1445273A GB1428731A (en) | 1972-03-29 | 1973-03-26 | Apparatus for reading records by optical means |
AT263273A AT328001B (en) | 1972-03-29 | 1973-03-26 | DEVICE FOR READING INFORMATION, E.G. PICTURE AND / OR SOUND INFORMATION RECORDED IN AT LEAST ONE TRACK ON A RECORDING MEDIUM |
IT22144/73A IT983615B (en) | 1972-03-29 | 1973-03-26 | EQUIPMENT FOR READING A CARRIER MEDIA OF RECORDINGS WITH AT LEAST ONE RECORDING TRACK |
JP3441973A JPS5313122B2 (en) | 1972-03-29 | 1973-03-26 | |
DK165073A DK133212C (en) | 1972-03-29 | 1973-03-26 | DEVICE FOR READING A RECORDING CARRIER IN WHICH INFORMATION E.g. VIDEO AND OR AUDIO INFORMATION IS REGISTERED IN AT LEAST ONE TRACK AND RECORDING CARRIER INTENDED FOR READING IN SUCH AN APPARATUS |
NO1239/73A NO141389C (en) | 1972-03-29 | 1973-03-26 | APPARATUS FOR READING A RECORDING BEARER, WHICH IS RECORDING INFORMATION, E.g. VIDEO AND / OR AUDIO INFORMATION, IN AT LEAST ONE TRACK |
BE129319A BE797398A (en) | 1972-03-29 | 1973-03-27 | DEVICE FOR READING A RECORDING MEDIA WHERE THE INFORMATION, FOR EXAMPLE VISUAL AND / OR AUDIO INFORMATION, IS ENTERED ON AT LEAST ONE TRACK |
ES413062A ES413062A1 (en) | 1972-03-29 | 1973-03-27 | Apparatus for reading records by optical means |
FR7311125A FR2178106B1 (en) | 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 (en) | 1972-03-29 | 1972-03-29 | DEVICE FOR READING A REGISTRATION CARRIER ALONG OPTICAL ROAD AND PLATFORM REGISTRATION CARRIERS INTENDED FOR READING WITH THIS DEVICE. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7204204A NL7204204A (en) | 1973-10-02 |
NL171516B NL171516B (en) | 1982-11-01 |
NL171516C true NL171516C (en) | 1983-04-05 |
Family
ID=19815734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7204204,A NL171516C (en) | 1972-03-29 | 1972-03-29 | DEVICE FOR READING A REGISTRATION CARRIER ALONG OPTICAL ROAD AND PLATFORM REGISTRATION CARRIERS INTENDED FOR READING WITH THIS DEVICE. |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5313122B2 (en) |
AT (1) | AT328001B (en) |
BE (1) | BE797398A (en) |
CA (1) | CA1022676A (en) |
CH (1) | CH562492A5 (en) |
DK (1) | DK133212C (en) |
ES (1) | ES413062A1 (en) |
FR (1) | FR2178106B1 (en) |
GB (1) | GB1428731A (en) |
IT (1) | IT983615B (en) |
NL (1) | NL171516C (en) |
NO (1) | NO141389C (en) |
SE (1) | SE388957B (en) |
ZA (1) | ZA731525B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2280150B1 (en) * | 1974-07-26 | 1977-01-07 | Thomson Brandt | DEVICE FOR DETECTION OF FOCUS DEVIATION OF AN OPTICAL READING HEAD FROM A READING SURFACE |
JPS5828656B2 (en) * | 1978-01-24 | 1983-06-17 | 松下電器産業株式会社 | Reading device for light-transmissive information carrier |
-
1972
- 1972-03-29 NL NLAANVRAGE7204204,A patent/NL171516C/en not_active IP Right Cessation
-
1973
- 1973-03-05 ZA ZA731525A patent/ZA731525B/en unknown
- 1973-03-21 CA CA166,657A patent/CA1022676A/en not_active Expired
- 1973-03-26 DK DK165073A patent/DK133212C/en active
- 1973-03-26 GB GB1445273A patent/GB1428731A/en not_active Expired
- 1973-03-26 NO NO1239/73A patent/NO141389C/en unknown
- 1973-03-26 AT AT263273A patent/AT328001B/en not_active IP Right Cessation
- 1973-03-26 IT IT22144/73A patent/IT983615B/en active
- 1973-03-26 JP JP3441973A patent/JPS5313122B2/ja not_active Expired
- 1973-03-26 SE SE7304203A patent/SE388957B/en unknown
- 1973-03-26 CH CH434573A patent/CH562492A5/xx not_active IP Right Cessation
- 1973-03-27 BE BE129319A patent/BE797398A/en unknown
- 1973-03-27 ES ES413062A patent/ES413062A1/en not_active Expired
- 1973-03-28 FR FR7311125A patent/FR2178106B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5370873A (en) | 1974-09-26 |
AT328001B (en) | 1976-02-25 |
FR2178106B1 (en) | 1978-09-08 |
JPS4910057A (en) | 1974-01-29 |
CA1022676A (en) | 1977-12-13 |
ES413062A1 (en) | 1976-06-16 |
DE2313741B2 (en) | 1976-02-26 |
FR2178106A1 (en) | 1973-11-09 |
DE2313741A1 (en) | 1973-10-11 |
JPS5313122B2 (en) | 1978-05-08 |
DK133212B (en) | 1976-04-05 |
DK133212C (en) | 1977-03-28 |
SE388957B (en) | 1976-10-18 |
IT983615B (en) | 1974-11-11 |
NO141389B (en) | 1979-11-19 |
GB1428731A (en) | 1976-03-17 |
CH562492A5 (en) | 1975-05-30 |
ATA263273A (en) | 1975-05-15 |
NO141389C (en) | 1980-02-27 |
NL7204204A (en) | 1973-10-02 |
ZA731525B (en) | 1974-10-30 |
NL171516B (en) | 1982-11-01 |
BE797398A (en) | 1973-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |