CH612781A5 - Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same - Google Patents

Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same

Info

Publication number
CH612781A5
CH612781A5 CH1068476A CH1068476A CH612781A5 CH 612781 A5 CH612781 A5 CH 612781A5 CH 1068476 A CH1068476 A CH 1068476A CH 1068476 A CH1068476 A CH 1068476A CH 612781 A5 CH612781 A5 CH 612781A5
Authority
CH
Switzerland
Prior art keywords
arranged along
same
recording carrier
information structure
optically read
Prior art date
Application number
CH1068476A
Inventor
Peter Johannes Michiel Janssen
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
Publication of CH612781A5 publication Critical patent/CH612781A5/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
CH1068476A 1975-08-26 1976-08-23 Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same CH612781A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7510035A NL7510035A (en) 1975-08-26 1975-08-26 REGISTRATION CARRIER WITH AN OPTICALLY READABLE, TRACK-SIZED, INFORMATION STRUCTURE AND DEVICE FOR READING THIS.

Publications (1)

Publication Number Publication Date
CH612781A5 true CH612781A5 (en) 1979-08-15

Family

ID=19824353

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1068476A CH612781A5 (en) 1975-08-26 1976-08-23 Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same

Country Status (17)

Country Link
JP (1) JPS5228303A (en)
AT (1) AT351819B (en)
AU (1) AU505280B2 (en)
BE (1) BE845468A (en)
CA (1) CA1082356A (en)
CH (1) CH612781A5 (en)
DE (1) DE2636464C2 (en)
DK (1) DK378976A (en)
ES (1) ES450938A1 (en)
FR (1) FR2322418A1 (en)
GB (1) GB1516285A (en)
IT (1) IT1071416B (en)
NL (1) NL7510035A (en)
NO (1) NO762892L (en)
NZ (1) NZ181831A (en)
SE (1) SE424235B (en)
ZA (1) ZA764771B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122551A (en) * 1977-04-08 1978-10-24 Xerox Corporation Optical data storage and retrieval system
FR2396379A1 (en) * 1977-07-01 1979-01-26 Thomson Brandt OPTICAL INFORMATION DISC READER EQUIPPED WITH AN AUTOMATIC INFORMATION ACCESS DEVICE
NL7811003A (en) * 1978-11-06 1980-05-08 Philips Nv DISC-SHAPED, OPTICALLY READABLE RECORD CARRIER, AS A STORAGE MEDIUM FOR DATA INFORMATION.
US4484319A (en) * 1980-09-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for locating a track on disc-like optical information carriers
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system
US4805162A (en) * 1982-11-01 1989-02-14 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
EP0124580B1 (en) * 1982-11-01 1991-04-03 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
NL8503411A (en) * 1985-12-11 1987-07-01 Philips Nv DEVICE FOR DETERMINING A CENTERING ERROR OF A ROUND TRACKED INFORMATION STRUCTURE IN AN OPTICAL REGISTRATION CARRIER WITH REGARD TO THE ROTATING AXIS OF A TURNTABLE ON WHICH THE REGISTRATION CARRIER IS INCLUDED IN A PURPOSE, INCLUDING ANY APPARATUS, INCLUDING ANY APPARATUS.
NL8600934A (en) * 1986-04-14 1987-11-02 Optical Storage Int OPTICAL REGISTRATION CARRIER AND DEVICE FOR READING THE REGISTRATION CARRIER.
US4945476A (en) * 1988-02-26 1990-07-31 Elsevier Science Publishing Company, Inc. Interactive system and method for creating and editing a knowledge base for use as a computerized aid to the cognitive process of diagnosis
DE69233335T2 (en) * 1991-12-02 2005-02-10 Koninklijke Philips Electronics N.V. Closed information system with copy protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037800A1 (en) * 1970-07-30 1972-02-03 Wittmoser Sound or image plate
NL7314267A (en) * 1973-10-17 1975-04-21 Philips Nv REGISTRATION CARRIER ON WHICH INFORMATION HAS BEEN MADE IN AN OPTICALLY READABLE STRUCTURE.
NL7401858A (en) * 1974-02-12 1975-08-14 Philips Nv REGISTRATION CARRIER ON WHICH INFORMATION IS INDICATED IN AN OPTICALLY READABLE STRUCTURE.

Also Published As

Publication number Publication date
JPS5228303A (en) 1977-03-03
SE424235B (en) 1982-07-05
FR2322418A1 (en) 1977-03-25
AT351819B (en) 1979-08-10
AU1708076A (en) 1978-03-02
IT1071416B (en) 1985-04-10
AU505280B2 (en) 1979-11-15
DK378976A (en) 1977-02-27
ZA764771B (en) 1978-03-29
GB1516285A (en) 1978-07-05
DE2636464A1 (en) 1977-03-03
BE845468A (en) 1977-02-24
SE7609291L (en) 1977-02-27
ATA626776A (en) 1979-01-15
DE2636464C2 (en) 1984-04-05
NO762892L (en) 1977-03-01
FR2322418B1 (en) 1981-09-25
ES450938A1 (en) 1977-12-01
NL7510035A (en) 1977-03-01
NZ181831A (en) 1980-09-12
CA1082356A (en) 1980-07-22

Similar Documents

Publication Publication Date Title
JPS5285806A (en) Data recording magnetic disk holder
CA1033834A (en) Data record tracking using track identifying information in the gaps between recorded data groups
JPS51146803A (en) Data storage disk and writing and or reading device
JPS5226802A (en) Device for reading diskklike recording carrier
JPS5528600A (en) Disk type record carrier reading device
ZA822011B (en) Apparatus for recording and reading information tracks in an optical record carrier
JPS5348528A (en) Information carrier for effecting optical recording and reading and method of manufacturing the same
DE3168628D1 (en) Thermo-optical process for information recording, record carrier for carrying out this process and apparatus to read this record carrier
AU1549276A (en) Optically reading record carriers
JPS51135549A (en) Information recording optical device
JPS52124312A (en) Information carrier and magnetic information carrier writing and or reading device
ZA76172B (en) Apparatus for reading a flat record carrier with an optically readable information structure
JPS54130102A (en) Method of writing information* recording carrier* recorded record carrier* and information writing and reading device
NO784161L (en) OPTICAL READING DEVICE FOR READING MOVING INFORMATION CARRIAGE SPECIAL FOR VIDEO DISC READING
JPS53136428A (en) Optical device for recording and reading information on tape
JPS5210112A (en) Method of recording and reproducing information on disk recording carrier
AU509203B2 (en) Optically reading record carrier pits
JPS5555483A (en) Information writing on magnetic record medium
JPS5661066A (en) Device for writing and reading binary information on and from flexible magnetic disk
CH612781A5 (en) Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same
ES500235A0 (en) DEVICE FOR MAGNETIC RECORDING HEAD AND DATA READING
JPS5338312A (en) Method and device for reading magnetic recording medium address
BR8003813A (en) RECORDING TRACK INFORMATION READING DEVICE
JPS53120510A (en) Device for recording or reproducing information on recording tape
ZA744185B (en) Record carrier on which information is recorded in an optical structure

Legal Events

Date Code Title Description
PL Patent ceased