JPS647334A - Focus controller - Google Patents

Focus controller

Info

Publication number
JPS647334A
JPS647334A JP16289687A JP16289687A JPS647334A JP S647334 A JPS647334 A JP S647334A JP 16289687 A JP16289687 A JP 16289687A JP 16289687 A JP16289687 A JP 16289687A JP S647334 A JPS647334 A JP S647334A
Authority
JP
Japan
Prior art keywords
focus
lens
lenses
optical axis
reflected
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
JP16289687A
Other languages
English (en)
Inventor
Takeshi Ishika
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Intelligent Technology Co Ltd
Original Assignee
Toshiba Corp
Toshiba Intelligent Technology Co Ltd
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 by Toshiba Corp, Toshiba Intelligent Technology Co Ltd filed Critical Toshiba Corp
Priority to JP16289687A priority Critical patent/JPS647334A/ja
Publication of JPS647334A publication Critical patent/JPS647334A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP16289687A 1987-06-30 1987-06-30 Focus controller Pending JPS647334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16289687A JPS647334A (en) 1987-06-30 1987-06-30 Focus controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16289687A JPS647334A (en) 1987-06-30 1987-06-30 Focus controller

Publications (1)

Publication Number Publication Date
JPS647334A true JPS647334A (en) 1989-01-11

Family

ID=15763298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16289687A Pending JPS647334A (en) 1987-06-30 1987-06-30 Focus controller

Country Status (1)

Country Link
JP (1) JPS647334A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153864A (en) * 1989-03-31 1992-10-06 Kabushiki Kaisha Toshiba Focusing detection optical path for an optical information processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153864A (en) * 1989-03-31 1992-10-06 Kabushiki Kaisha Toshiba Focusing detection optical path for an optical information processing system

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