NO141389C - APPARATUS FOR READING A RECORDING BEARER, WHICH IS RECORDING INFORMATION, E.g. VIDEO AND / OR AUDIO INFORMATION, IN AT LEAST ONE TRACK - Google Patents
APPARATUS FOR READING A RECORDING BEARER, WHICH IS RECORDING INFORMATION, E.g. VIDEO AND / OR AUDIO INFORMATION, IN AT LEAST ONE TRACKInfo
- Publication number
- NO141389C NO141389C NO1239/73A NO123973A NO141389C NO 141389 C NO141389 C NO 141389C NO 1239/73 A NO1239/73 A NO 1239/73A NO 123973 A NO123973 A NO 123973A NO 141389 C NO141389 C NO 141389C
- Authority
- NO
- Norway
- Prior art keywords
- recording
- information
- track
- video
- reading
- 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
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 (2)
Publication Number | Publication Date |
---|---|
NO141389B NO141389B (en) | 1979-11-19 |
NO141389C true NO141389C (en) | 1980-02-27 |
Family
ID=19815734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
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 IT IT22144/73A patent/IT983615B/en active
- 1973-03-26 JP JP3441973A patent/JPS5313122B2/ja not_active Expired
- 1973-03-26 GB GB1445273A patent/GB1428731A/en not_active Expired
- 1973-03-26 SE SE7304203A patent/SE388957B/en unknown
- 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 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 |
---|---|
DE2313741B2 (en) | 1976-02-26 |
ZA731525B (en) | 1974-10-30 |
SE388957B (en) | 1976-10-18 |
AT328001B (en) | 1976-02-25 |
NL171516C (en) | 1983-04-05 |
DK133212B (en) | 1976-04-05 |
CA1022676A (en) | 1977-12-13 |
JPS5313122B2 (en) | 1978-05-08 |
BE797398A (en) | 1973-09-27 |
GB1428731A (en) | 1976-03-17 |
DE2313741A1 (en) | 1973-10-11 |
NO141389B (en) | 1979-11-19 |
AU5370873A (en) | 1974-09-26 |
FR2178106B1 (en) | 1978-09-08 |
CH562492A5 (en) | 1975-05-30 |
ES413062A1 (en) | 1976-06-16 |
FR2178106A1 (en) | 1973-11-09 |
JPS4910057A (en) | 1974-01-29 |
IT983615B (en) | 1974-11-11 |
NL7204204A (en) | 1973-10-02 |
NL171516B (en) | 1982-11-01 |
DK133212C (en) | 1977-03-28 |
ATA263273A (en) | 1975-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO770239L (en) | APPARATUS FOR READING A RECORD BARNER WHICH IS STORED INFORMATION, EX. VIDEO AND / OR AUDIO INFORMATION. | |
NO141772C (en) | DEVICE FOR READING A PLATFORM RECORDING CARRIER IN WHICH RECORD SIGNALS, PARTICULAR VIDEO AND / OR AUDIO SIGNALS | |
SE414840B (en) | DEVICE FOR RECORDING AND READING INFORMATION | |
NL177168C (en) | METHOD FOR RECORDING A VIDEO SIGNAL AND RECORD CARRIER WITH VIDEO INFORMATION RECORDED ACCORDING TO THE METHOD AND AN APPARATUS FOR READING A RECORD CARRIER. | |
SE407866B (en) | DISC FOR RECORDED VIDEO INFORMATION | |
DK126731B (en) | Data recording medium and system for sensing this. | |
IT955832B (en) | METHOD AND SYSTEM FOR CHECKING AND RECORDING ENVIRONMENTAL DATA | |
SE383219B (en) | APPARATUS FOR READING A SHEET-SHAPED INFORMATION CARRIER BY means of a STRAL TIP AND DETECTING LEGAL CHANGES BETWEEN THE STRAL TIP AND THE CARRIER. | |
NO141674C (en) | RECORDING CARRIER FOR INFORMATION, EX. VIDEO AND / OR AUDIO INFORMATION | |
DK131589B (en) | Method for recording a video signal and an audio signal in the same track on a record carrier. | |
SE389756B (en) | NALMICROPHONE PIN FOR AN INFORMATION PLAYBACK SYSTEM | |
CH558062A (en) | RECORDING MEDIA FOR STORING INFORMATION. | |
IT962958B (en) | METHOD FOR TRAINING IMMA GINI AND FOR RECORDING INFORMATION | |
DK137905B (en) | Apparatus for recording and / or playing information on a rotating plate-shaped record carrier. | |
NO141671C (en) | DEVICE! FOR READING A RECORDING CARRIER ON ANY INFORMATION, e.g. VIDEO AND / OR AUDIO INFORMATION RECORDED IN AT LEAST ONE TRACK | |
DK118410B (en) | Apparatus for recording and / or reproducing magnetic recordings. | |
DK137735B (en) | Record carrier, where information is recorded in an optical structure, and apparatus for recording information on such a record carrier. | |
NO141389C (en) | APPARATUS FOR READING A RECORDING BEARER, WHICH IS RECORDING INFORMATION, E.g. VIDEO AND / OR AUDIO INFORMATION, IN AT LEAST ONE TRACK | |
FI51015C (en) | System for recording and reproducing data. | |
SE380377B (en) | APPARATUS FOR RECORDING AND / OR PLAYBACK | |
NL7409624A (en) | READING SYSTEM FOR VIDEO AND AUDIO INFORMATION. | |
NO139538C (en) | APPARATUS FOR RECORDING AND PLAYING INFORMATION | |
DK146869C (en) | APPARATUS FOR DISPLAYING INFORMATION RECORDED ON A RECORDING MEDIUM | |
SE393208B (en) | DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS | |
DK132296B (en) | Recording and / or reproducing apparatus for a flexible recording medium. |