JPS61182927U - - Google Patents

Info

Publication number
JPS61182927U
JPS61182927U JP1985063321U JP6332185U JPS61182927U JP S61182927 U JPS61182927 U JP S61182927U JP 1985063321 U JP1985063321 U JP 1985063321U JP 6332185 U JP6332185 U JP 6332185U JP S61182927 U JPS61182927 U JP S61182927U
Authority
JP
Japan
Prior art keywords
objective lens
optical pickup
shielding layer
light
except
Prior art date
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.)
Pending
Application number
JP1985063321U
Other languages
English (en)
Japanese (ja)
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 JP1985063321U priority Critical patent/JPS61182927U/ja
Publication of JPS61182927U publication Critical patent/JPS61182927U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Surface Treatment Of Optical Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lens Barrels (AREA)
JP1985063321U 1985-04-30 1985-04-30 Pending JPS61182927U (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985063321U JPS61182927U (ko) 1985-04-30 1985-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985063321U JPS61182927U (ko) 1985-04-30 1985-04-30

Publications (1)

Publication Number Publication Date
JPS61182927U true JPS61182927U (ko) 1986-11-14

Family

ID=30593351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985063321U Pending JPS61182927U (ko) 1985-04-30 1985-04-30

Country Status (1)

Country Link
JP (1) JPS61182927U (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478441A (en) * 1987-09-18 1989-03-23 Sanyo Electric Co Optical pickup device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5589924A (en) * 1978-12-27 1980-07-08 Toshiba Corp Optical information reproduction unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5589924A (en) * 1978-12-27 1980-07-08 Toshiba Corp Optical information reproduction unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478441A (en) * 1987-09-18 1989-03-23 Sanyo Electric Co Optical pickup device

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