NL171516B - 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
NL171516B
NL171516B NLAANVRAGE7204204,A NL7204204A NL171516B NL 171516 B NL171516 B NL 171516B NL 7204204 A NL7204204 A NL 7204204A NL 171516 B NL171516 B NL 171516B
Authority
NL
Netherlands
Prior art keywords
reading
registration
along optical
carrier along
optical road
Prior art date
Application number
NLAANVRAGE7204204,A
Other languages
Dutch (nl)
Other versions
NL171516C (en
NL7204204A (en
Inventor
Gijsbertus Bouwhuis
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7204204,A priority Critical patent/NL171516C/en
Priority to ZA731525A priority patent/ZA731525B/en
Priority to DE19732313741 priority patent/DE2313741C3/en
Priority to CA166,657A priority patent/CA1022676A/en
Priority to AU53708/73A priority patent/AU479798B2/en
Priority to AT263273A priority patent/AT328001B/en
Priority to NO1239/73A priority patent/NO141389C/en
Priority to JP3441973A priority patent/JPS5313122B2/ja
Priority to SE7304203A priority patent/SE388957B/en
Priority to GB1445273A priority patent/GB1428731A/en
Priority to IT22144/73A priority patent/IT983615B/en
Priority to DK165073A priority patent/DK133212C/en
Priority to CH434573A priority patent/CH562492A5/xx
Priority to ES413062A priority patent/ES413062A1/en
Priority to BE129319A priority patent/BE797398A/en
Priority to FR7311125A priority patent/FR2178106B1/fr
Publication of NL7204204A publication Critical patent/NL7204204A/xx
Priority to US05/568,708 priority patent/US4010317A/en
Publication of NL171516B publication Critical patent/NL171516B/en
Application granted granted Critical
Publication of NL171516C publication Critical patent/NL171516C/en

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)
NLAANVRAGE7204204,A 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. NL171516C (en)

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
GB1445273A GB1428731A (en) 1972-03-29 1973-03-26 Apparatus for reading records by optical means
JP3441973A JPS5313122B2 (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
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
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
CH434573A CH562492A5 (en) 1972-03-29 1973-03-26
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 true NL171516B (en) 1982-11-01
NL171516C 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DK133212C (en) 1977-03-28
SE388957B (en) 1976-10-18
NO141389B (en) 1979-11-19
NL171516C (en) 1983-04-05
GB1428731A (en) 1976-03-17
FR2178106A1 (en) 1973-11-09
NL7204204A (en) 1973-10-02
AU5370873A (en) 1974-09-26
CA1022676A (en) 1977-12-13
AT328001B (en) 1976-02-25
DE2313741A1 (en) 1973-10-11
DK133212B (en) 1976-04-05
JPS5313122B2 (en) 1978-05-08
NO141389C (en) 1980-02-27
FR2178106B1 (en) 1978-09-08
IT983615B (en) 1974-11-11
ES413062A1 (en) 1976-06-16
JPS4910057A (en) 1974-01-29
DE2313741B2 (en) 1976-02-26
BE797398A (en) 1973-09-27
ATA263273A (en) 1975-05-15
CH562492A5 (en) 1975-05-30
ZA731525B (en) 1974-10-30

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee