YU231773A - Apparatus for reading a record carrier on which information is recorded in at least one track - Google Patents

Apparatus for reading a record carrier on which information is recorded in at least one track

Info

Publication number
YU231773A
YU231773A YU231773A YU231773A YU231773A YU 231773 A YU231773 A YU 231773A YU 231773 A YU231773 A YU 231773A YU 231773 A YU231773 A YU 231773A YU 231773 A YU231773 A YU 231773A
Authority
YU
Yugoslavia
Prior art keywords
track
recorded
reading
information
record carrier
Prior art date
Application number
YU231773A
Other versions
YU39711B (en
Inventor
B Gijshertus
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
Priority claimed from NL7211996A external-priority patent/NL7211996A/xx
Priority claimed from NL7212044A external-priority patent/NL7212044A/xx
Application filed by Philips Nv filed Critical Philips Nv
Publication of YU231773A publication Critical patent/YU231773A/en
Publication of YU39711B publication Critical patent/YU39711B/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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Radiography Using Non-Light Waves (AREA)
YU231773A 1972-09-02 1973-08-30 Apparatus for reading a record carrier comprising a trackwise arranged optically readable information structure YU39711B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7211996A NL7211996A (en) 1972-09-02 1972-09-02
NL7212044A NL7212044A (en) 1972-09-05 1972-09-05

Publications (2)

Publication Number Publication Date
YU231773A true YU231773A (en) 1982-06-30
YU39711B YU39711B (en) 1985-04-30

Family

ID=26644797

Family Applications (1)

Application Number Title Priority Date Filing Date
YU231773A YU39711B (en) 1972-09-02 1973-08-30 Apparatus for reading a record carrier comprising a trackwise arranged optically readable information structure

Country Status (15)

Country Link
JP (1) JPS5330453B2 (en)
AR (1) AR198680A1 (en)
AT (1) AT328002B (en)
BE (1) BE804328A (en)
CA (1) CA1005907A (en)
CH (1) CH569327A5 (en)
DK (1) DK135558B (en)
ES (1) ES418390A1 (en)
FR (1) FR2198203B1 (en)
GB (1) GB1441175A (en)
IT (1) IT990420B (en)
NO (1) NO141671C (en)
PL (1) PL86219B1 (en)
SE (1) SE394154B (en)
YU (1) YU39711B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
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
JPS5922289B2 (en) * 1975-11-20 1984-05-25 ソニー株式会社 How to get started
JPS5916331B2 (en) * 1975-11-27 1984-04-14 パイオニア株式会社 Kougakushishingouyomitrisouchi
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
FR2470391A1 (en) * 1979-11-21 1981-05-29 Thomson Csf STIGMATIC COHERENT RADIATION EMISSION-RECEPTION OPTICAL DEVICE AND RECORDING-READING OPTICAL HEAD COMPRISING SUCH A DEVICE
NL8004892A (en) * 1980-08-29 1982-04-01 Philips Nv APPARATUS FOR PROCESSING OPTICAL INFORMATION AND METHOD FOR MANUFACTURING A COMA CORRECTION PLATE AS APPLIED IN SUCH AN APPARATUS
JPS5997713U (en) * 1982-12-20 1984-07-02 市川毛織株式会社 skimmer
JPS6234127A (en) * 1985-08-08 1987-02-14 Konishiroku Photo Ind Co Ltd Optical modulation system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
JPS5443710B2 (en) * 1972-03-15 1979-12-21

Also Published As

Publication number Publication date
FR2198203A1 (en) 1974-03-29
ES418390A1 (en) 1976-03-16
BE804328A (en) 1974-02-28
FR2198203B1 (en) 1979-08-03
DK135558C (en) 1977-10-24
DK135558B (en) 1977-05-16
NO141671B (en) 1980-01-07
IT990420B (en) 1975-06-20
NO141671C (en) 1980-04-16
DE2341824B2 (en) 1976-10-14
JPS4965726A (en) 1974-06-26
PL86219B1 (en) 1976-05-31
ATA756073A (en) 1975-05-15
GB1441175A (en) 1976-06-30
CH569327A5 (en) 1975-11-14
YU39711B (en) 1985-04-30
CA1005907A (en) 1977-02-22
SE394154B (en) 1977-06-06
AR198680A1 (en) 1974-07-15
JPS5330453B2 (en) 1978-08-26
DE2341824A1 (en) 1974-03-14
AT328002B (en) 1976-02-25
AU5978073A (en) 1975-03-06

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