JPS5250130B2 - - Google Patents

Info

Publication number
JPS5250130B2
JPS5250130B2 JP49020869A JP2086974A JPS5250130B2 JP S5250130 B2 JPS5250130 B2 JP S5250130B2 JP 49020869 A JP49020869 A JP 49020869A JP 2086974 A JP2086974 A JP 2086974A JP S5250130 B2 JPS5250130 B2 JP S5250130B2
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
JP49020869A
Other languages
Japanese (ja)
Other versions
JPS50115546A (enrdf_load_stackoverflow
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 JP49020869A priority Critical patent/JPS5250130B2/ja
Publication of JPS50115546A publication Critical patent/JPS50115546A/ja
Publication of JPS5250130B2 publication Critical patent/JPS5250130B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP49020869A 1974-02-20 1974-02-20 Expired JPS5250130B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP49020869A JPS5250130B2 (enrdf_load_stackoverflow) 1974-02-20 1974-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49020869A JPS5250130B2 (enrdf_load_stackoverflow) 1974-02-20 1974-02-20

Publications (2)

Publication Number Publication Date
JPS50115546A JPS50115546A (enrdf_load_stackoverflow) 1975-09-10
JPS5250130B2 true JPS5250130B2 (enrdf_load_stackoverflow) 1977-12-22

Family

ID=12039155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49020869A Expired JPS5250130B2 (enrdf_load_stackoverflow) 1974-02-20 1974-02-20

Country Status (1)

Country Link
JP (1) JPS5250130B2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107528U (enrdf_load_stackoverflow) * 1985-12-24 1987-07-09

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5349404A (en) * 1976-10-18 1978-05-04 Fuji Telecasting Co Ltd Device for compensating focus position variation for photoelectric reproducer
US4357533A (en) * 1980-07-14 1982-11-02 Discovision Associates Focus detector for an optical disc playback system
JPS5856235A (ja) * 1981-09-28 1983-04-02 Hitachi Ltd 光学的トラツク追跡装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107528U (enrdf_load_stackoverflow) * 1985-12-24 1987-07-09

Also Published As

Publication number Publication date
JPS50115546A (enrdf_load_stackoverflow) 1975-09-10

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