JPS62106102U - - Google Patents

Info

Publication number
JPS62106102U
JPS62106102U JP19887585U JP19887585U JPS62106102U JP S62106102 U JPS62106102 U JP S62106102U JP 19887585 U JP19887585 U JP 19887585U JP 19887585 U JP19887585 U JP 19887585U JP S62106102 U JPS62106102 U JP S62106102U
Authority
JP
Japan
Prior art keywords
focus state
state detector
output
focus
reflective film
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
JP19887585U
Other languages
English (en)
Japanese (ja)
Other versions
JPH04246Y2 (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 JP19887585U priority Critical patent/JPH04246Y2/ja
Publication of JPS62106102U publication Critical patent/JPS62106102U/ja
Application granted granted Critical
Publication of JPH04246Y2 publication Critical patent/JPH04246Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP19887585U 1985-12-24 1985-12-24 Expired JPH04246Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19887585U JPH04246Y2 (enrdf_load_stackoverflow) 1985-12-24 1985-12-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19887585U JPH04246Y2 (enrdf_load_stackoverflow) 1985-12-24 1985-12-24

Publications (2)

Publication Number Publication Date
JPS62106102U true JPS62106102U (enrdf_load_stackoverflow) 1987-07-07
JPH04246Y2 JPH04246Y2 (enrdf_load_stackoverflow) 1992-01-07

Family

ID=31159972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19887585U Expired JPH04246Y2 (enrdf_load_stackoverflow) 1985-12-24 1985-12-24

Country Status (1)

Country Link
JP (1) JPH04246Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006153851A (ja) * 2004-11-08 2006-06-15 Matsushita Electric Ind Co Ltd 共焦点光学装置及び球面収差補正方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006153851A (ja) * 2004-11-08 2006-06-15 Matsushita Electric Ind Co Ltd 共焦点光学装置及び球面収差補正方法

Also Published As

Publication number Publication date
JPH04246Y2 (enrdf_load_stackoverflow) 1992-01-07

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