JPS6283221U - - Google Patents

Info

Publication number
JPS6283221U
JPS6283221U JP17481885U JP17481885U JPS6283221U JP S6283221 U JPS6283221 U JP S6283221U JP 17481885 U JP17481885 U JP 17481885U JP 17481885 U JP17481885 U JP 17481885U JP S6283221 U JPS6283221 U JP S6283221U
Authority
JP
Japan
Prior art keywords
optical
recording medium
semiconductor laser
diffraction grating
phase
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.)
Granted
Application number
JP17481885U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0629785Y2 (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 JP1985174818U priority Critical patent/JPH0629785Y2/ja
Publication of JPS6283221U publication Critical patent/JPS6283221U/ja
Application granted granted Critical
Publication of JPH0629785Y2 publication Critical patent/JPH0629785Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP1985174818U 1985-11-13 1985-11-13 光学ヘツド Expired - Lifetime JPH0629785Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985174818U JPH0629785Y2 (ja) 1985-11-13 1985-11-13 光学ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985174818U JPH0629785Y2 (ja) 1985-11-13 1985-11-13 光学ヘツド

Publications (2)

Publication Number Publication Date
JPS6283221U true JPS6283221U (cs) 1987-05-27
JPH0629785Y2 JPH0629785Y2 (ja) 1994-08-10

Family

ID=31113559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985174818U Expired - Lifetime JPH0629785Y2 (ja) 1985-11-13 1985-11-13 光学ヘツド

Country Status (1)

Country Link
JP (1) JPH0629785Y2 (cs)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271633A (ja) * 1985-05-28 1986-12-01 Mitsubishi Electric Corp 光学ヘツド装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271633A (ja) * 1985-05-28 1986-12-01 Mitsubishi Electric Corp 光学ヘツド装置

Also Published As

Publication number Publication date
JPH0629785Y2 (ja) 1994-08-10

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