NL7604503A - DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM. - Google Patents

DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM.

Info

Publication number
NL7604503A
NL7604503A NL7604503A NL7604503A NL7604503A NL 7604503 A NL7604503 A NL 7604503A NL 7604503 A NL7604503 A NL 7604503A NL 7604503 A NL7604503 A NL 7604503A NL 7604503 A NL7604503 A NL 7604503A
Authority
NL
Netherlands
Prior art keywords
description
rotating plate
optical reading
reading
optical
Prior art date
Application number
NL7604503A
Other languages
Dutch (nl)
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 NL7604503A priority Critical patent/NL7604503A/en
Priority to DE19772717082 priority patent/DE2717082A1/en
Priority to DE19777712070 priority patent/DE7712070U1/en
Priority to GB1708077A priority patent/GB1576888A/en
Priority to AU24583/77A priority patent/AU2458377A/en
Priority to IT2282077A priority patent/IT1084483B/en
Priority to ES458220A priority patent/ES458220A1/en
Priority to FR7712722A priority patent/FR2349912A1/en
Publication of NL7604503A publication Critical patent/NL7604503A/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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
NL7604503A 1976-04-28 1976-04-28 DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM. NL7604503A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL7604503A NL7604503A (en) 1976-04-28 1976-04-28 DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM.
DE19772717082 DE2717082A1 (en) 1976-04-28 1977-04-18 DEVICE FOR OPTICAL READING AND / OR WRITING A ROTATING PLATE WITH THE HELP OF A BEAM
DE19777712070 DE7712070U1 (en) 1976-04-28 1977-04-18 DEVICE FOR OPTICAL READING AND / OR WRITING TO A ROTATING DISC, FOR EXAMPLE A VIDEO DISC, WITH THE HELP OF A GAS LASER
GB1708077A GB1576888A (en) 1976-04-28 1977-04-25 Optical recording and play back apparatus
AU24583/77A AU2458377A (en) 1976-04-28 1977-04-26 Optical reading and/or recording on a rotary disc
IT2282077A IT1084483B (en) 1976-04-28 1977-04-26 APPARATUS FOR READING AND / OR OPTICALLY RECORDING ON A ROTATING DISC WITH THE AID OF A RADIATION BEAM.
ES458220A ES458220A1 (en) 1976-04-28 1977-04-27 Optical recording and play back apparatus
FR7712722A FR2349912A1 (en) 1976-04-28 1977-04-27 DEVICE FOR READING AND / OR RECORDING OF RECORDED INFORMATION, RESPECTIVELY TO BE RECORDED, IN A ROTARY DISK USING A BEAM OF RAYS OPTICALLY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7604503A NL7604503A (en) 1976-04-28 1976-04-28 DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM.

Publications (1)

Publication Number Publication Date
NL7604503A true NL7604503A (en) 1977-11-01

Family

ID=19826089

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7604503A NL7604503A (en) 1976-04-28 1976-04-28 DEVICE FOR OPTICAL READING AND / OR DESCRIPTION OF A ROTATING PLATE USING A BEAM BEAM.

Country Status (7)

Country Link
AU (1) AU2458377A (en)
DE (2) DE7712070U1 (en)
ES (1) ES458220A1 (en)
FR (1) FR2349912A1 (en)
GB (1) GB1576888A (en)
IT (1) IT1084483B (en)
NL (1) NL7604503A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7801870A (en) * 1978-02-20 1979-08-22 Philips Nv OPTICAL RECORD PLAYER.

Also Published As

Publication number Publication date
AU2458377A (en) 1978-11-02
GB1576888A (en) 1980-10-15
FR2349912A1 (en) 1977-11-25
DE7712070U1 (en) 1978-04-27
ES458220A1 (en) 1978-02-16
IT1084483B (en) 1985-05-25
DE2717082A1 (en) 1977-11-10

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Legal Events

Date Code Title Description
BV The patent application has lapsed