JPS5429082B2 - - Google Patents

Info

Publication number
JPS5429082B2
JPS5429082B2 JP8665773A JP8665773A JPS5429082B2 JP S5429082 B2 JPS5429082 B2 JP S5429082B2 JP 8665773 A JP8665773 A JP 8665773A JP 8665773 A JP8665773 A JP 8665773A JP S5429082 B2 JPS5429082 B2 JP S5429082B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP8665773A
Other languages
Japanese (ja)
Other versions
JPS5052924A (en
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 filed Critical
Priority to JP8665773A priority Critical patent/JPS5429082B2/ja
Priority to NL7409624A priority patent/NL7409624A/en
Priority to GB3280474A priority patent/GB1472933A/en
Priority to DE2436395A priority patent/DE2436395C3/en
Priority to DE19742462194 priority patent/DE2462194A1/en
Priority to IT52320/74A priority patent/IT1018743B/en
Priority to FR7426495A priority patent/FR2239722B1/fr
Publication of JPS5052924A publication Critical patent/JPS5052924A/ja
Priority to US05/758,464 priority patent/US4165519A/en
Publication of JPS5429082B2 publication Critical patent/JPS5429082B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/7605Television signal recording on discs or drums
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
JP8665773A 1973-07-31 1973-07-31 Expired JPS5429082B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP8665773A JPS5429082B2 (en) 1973-07-31 1973-07-31
NL7409624A NL7409624A (en) 1973-07-31 1974-07-16 READING SYSTEM FOR VIDEO AND AUDIO INFORMATION.
GB3280474A GB1472933A (en) 1973-07-31 1974-07-25 Optical disc read-out system
DE2436395A DE2436395C3 (en) 1973-07-31 1974-07-29 Read-out device for reading out image and / or sound signals
DE19742462194 DE2462194A1 (en) 1973-07-31 1974-07-29 Optical signal store
IT52320/74A IT1018743B (en) 1973-07-31 1974-07-29 LASER READING SYSTEM AND AUDIO AND VIDEO INFORMATION SUPPORT FOR IT
FR7426495A FR2239722B1 (en) 1973-07-31 1974-07-30
US05/758,464 US4165519A (en) 1973-07-31 1977-01-11 Optical control system for read out from information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8665773A JPS5429082B2 (en) 1973-07-31 1973-07-31

Publications (2)

Publication Number Publication Date
JPS5052924A JPS5052924A (en) 1975-05-10
JPS5429082B2 true JPS5429082B2 (en) 1979-09-20

Family

ID=13893094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8665773A Expired JPS5429082B2 (en) 1973-07-31 1973-07-31

Country Status (6)

Country Link
JP (1) JPS5429082B2 (en)
DE (1) DE2436395C3 (en)
FR (1) FR2239722B1 (en)
GB (1) GB1472933A (en)
IT (1) IT1018743B (en)
NL (1) NL7409624A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598892B2 (en) * 1975-06-19 1984-02-28 ソニー株式会社 Optical signal recording and reproducing device
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
DE2615605C2 (en) * 1976-04-09 1978-06-01 Polygram Gmbh, 2000 Hamburg Disc-shaped information carrier and method for its manufacture
NL176315C (en) * 1976-05-12 1985-03-18 Philips Nv OPTICAL SCANNER.
JPS5312227A (en) * 1976-07-20 1978-02-03 Matsushita Electric Ind Co Ltd Signal processing system
NL7703123A (en) * 1977-03-23 1978-09-26 Philips Nv DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING REGISTRATION CARRIER.
JPS57198733U (en) * 1981-06-15 1982-12-17
JPS5848033U (en) * 1981-09-22 1983-03-31 萬世工業株式会社 lens drive device
FR2525376B1 (en) * 1982-04-19 1988-02-26 Lewiner Jacques IMPROVEMENTS IN DEVICES FOR READING QUANTITIES OF ELECTRIC CHARGES CARRIED BY A DIELECTRIC SHEET

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120888A (en) * 1974-08-12 1976-02-19 Babcock Hitachi Kk Gokuteionyo ae sensa

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings
NL299459A (en) * 1962-10-19
DE1277344B (en) * 1964-07-06 1968-09-12 Siemens Ag Procedure for information storage and memory storage for carrying out the procedure
US3496540A (en) * 1965-04-30 1970-02-17 Singer General Precision Registration means for character recognition apparatus
US3452163A (en) * 1965-12-08 1969-06-24 Phillip B Dahlen Optical phonograph apparatus with polarized light
DE1574687B2 (en) * 1968-02-06 1978-08-10 Robert Bosch Gmbh, 7000 Stuttgart Data carriers for information
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120888A (en) * 1974-08-12 1976-02-19 Babcock Hitachi Kk Gokuteionyo ae sensa

Also Published As

Publication number Publication date
IT1018743B (en) 1977-10-20
FR2239722A1 (en) 1975-02-28
NL7409624A (en) 1975-02-04
FR2239722B1 (en) 1977-07-01
DE2436395C3 (en) 1984-09-27
JPS5052924A (en) 1975-05-10
DE2436395B2 (en) 1976-07-01
DE2436395A1 (en) 1975-02-27
GB1472933A (en) 1977-05-11

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