SE394154B - DEVICE FOR READING A RECORD CARRIER ON WHICH INFORMATION IS STORED IN A SAVED OPTICAL INFORMATION STRUCTURE. - Google Patents

DEVICE FOR READING A RECORD CARRIER ON WHICH INFORMATION IS STORED IN A SAVED OPTICAL INFORMATION STRUCTURE.

Info

Publication number
SE394154B
SE394154B SE7311792A SE7311792A SE394154B SE 394154 B SE394154 B SE 394154B SE 7311792 A SE7311792 A SE 7311792A SE 7311792 A SE7311792 A SE 7311792A SE 394154 B SE394154 B SE 394154B
Authority
SE
Sweden
Prior art keywords
reading
stored
information
record carrier
optical information
Prior art date
Application number
SE7311792A
Other languages
Swedish (sv)
Inventor
G 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
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 SE394154B publication Critical patent/SE394154B/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)
  • Radiography Using Non-Light Waves (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE7311792A 1972-09-02 1973-08-30 DEVICE FOR READING A RECORD CARRIER ON WHICH INFORMATION IS STORED IN A SAVED OPTICAL INFORMATION STRUCTURE. SE394154B (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 (1)

Publication Number Publication Date
SE394154B true SE394154B (en) 1977-06-06

Family

ID=26644797

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7311792A SE394154B (en) 1972-09-02 1973-08-30 DEVICE FOR READING A RECORD CARRIER ON WHICH INFORMATION IS STORED IN A SAVED OPTICAL 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
DK135558B (en) 1977-05-16
YU231773A (en) 1982-06-30
YU39711B (en) 1985-04-30
ES418390A1 (en) 1976-03-16
JPS4965726A (en) 1974-06-26
DE2341824B2 (en) 1976-10-14
JPS5330453B2 (en) 1978-08-26
AT328002B (en) 1976-02-25
CH569327A5 (en) 1975-11-14
NO141671C (en) 1980-04-16
ATA756073A (en) 1975-05-15
AR198680A1 (en) 1974-07-15
CA1005907A (en) 1977-02-22
DK135558C (en) 1977-10-24
NO141671B (en) 1980-01-07
DE2341824A1 (en) 1974-03-14
FR2198203A1 (en) 1974-03-29
FR2198203B1 (en) 1979-08-03
GB1441175A (en) 1976-06-30
IT990420B (en) 1975-06-20
PL86219B1 (en) 1976-05-31
BE804328A (en) 1974-02-28
AU5978073A (en) 1975-03-06

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