JPS5330453B2 - - Google Patents

Info

Publication number
JPS5330453B2
JPS5330453B2 JP9675473A JP9675473A JPS5330453B2 JP S5330453 B2 JPS5330453 B2 JP S5330453B2 JP 9675473 A JP9675473 A JP 9675473A JP 9675473 A JP9675473 A JP 9675473A JP S5330453 B2 JPS5330453 B2 JP S5330453B2
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
JP9675473A
Other languages
Japanese (ja)
Other versions
JPS4965726A (da
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 filed Critical
Publication of JPS4965726A publication Critical patent/JPS4965726A/ja
Publication of JPS5330453B2 publication Critical patent/JPS5330453B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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

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)
JP9675473A 1972-09-02 1973-08-30 Expired JPS5330453B2 (da)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
JPS4965726A JPS4965726A (da) 1974-06-26
JPS5330453B2 true JPS5330453B2 (da) 1978-08-26

Family

ID=26644797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9675473A Expired JPS5330453B2 (da) 1972-09-02 1973-08-30

Country Status (15)

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

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 (fr) * 1974-07-26 1977-01-07 Thomson Brandt Dispositif de detection d'ecart de mise au point d'une tete de lecture optique par rapport a une surface de lecture
JPS5922289B2 (ja) * 1975-11-20 1984-05-25 ソニー株式会社 ジヨウホウケンシユツソウチ
JPS5916331B2 (ja) * 1975-11-27 1984-04-14 パイオニア株式会社 コウガクシキシンゴウヨミトリソウチ
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
FR2470391A1 (fr) * 1979-11-21 1981-05-29 Thomson Csf Dispositif optique stigmatique d'emission-reception de rayonnements coherents et tete optique d'enregistrement-lecture comprenant un tel dispositif
NL8004892A (nl) * 1980-08-29 1982-04-01 Philips Nv Inrichting voor het verwerken van optische informatie en werkwijze voor het vervaardigen van een coma-correctieplaat zoals toegepast in een dergelijke inrichting.
JPS5997713U (ja) * 1982-12-20 1984-07-02 市川毛織株式会社 スキマ−
JPS6234127A (ja) * 1985-08-08 1987-02-14 Konishiroku Photo Ind Co Ltd 光変調方式

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4894878A (da) * 1972-03-15 1973-12-06

Family Cites Families (1)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4894878A (da) * 1972-03-15 1973-12-06

Also Published As

Publication number Publication date
AR198680A1 (es) 1974-07-15
DE2341824A1 (de) 1974-03-14
AT328002B (de) 1976-02-25
NO141671B (no) 1980-01-07
ATA756073A (de) 1975-05-15
CA1005907A (en) 1977-02-22
SE394154B (sv) 1977-06-06
YU39711B (en) 1985-04-30
FR2198203B1 (da) 1979-08-03
IT990420B (it) 1975-06-20
DE2341824B2 (de) 1976-10-14
NO141671C (no) 1980-04-16
CH569327A5 (da) 1975-11-14
JPS4965726A (da) 1974-06-26
PL86219B1 (da) 1976-05-31
BE804328A (fr) 1974-02-28
DK135558C (da) 1977-10-24
YU231773A (en) 1982-06-30
DK135558B (da) 1977-05-16
GB1441175A (en) 1976-06-30
AU5978073A (en) 1975-03-06
FR2198203A1 (da) 1974-03-29
ES418390A1 (es) 1976-03-16

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