JPS52125305A - Automatic focusing device - Google Patents

Automatic focusing device

Info

Publication number
JPS52125305A
JPS52125305A JP4196976A JP4196976A JPS52125305A JP S52125305 A JPS52125305 A JP S52125305A JP 4196976 A JP4196976 A JP 4196976A JP 4196976 A JP4196976 A JP 4196976A JP S52125305 A JPS52125305 A JP S52125305A
Authority
JP
Japan
Prior art keywords
automatic focusing
focusing device
automatic
focusing
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
JP4196976A
Other languages
Japanese (ja)
Inventor
Takanori Horikoshi
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.)
Mamiya Camera Co Ltd
Original Assignee
Mamiya Camera 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 Mamiya Camera Co Ltd filed Critical Mamiya Camera Co Ltd
Priority to JP4196976A priority Critical patent/JPS52125305A/en
Publication of JPS52125305A publication Critical patent/JPS52125305A/en
Pending legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP4196976A 1976-04-14 1976-04-14 Automatic focusing device Pending JPS52125305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4196976A JPS52125305A (en) 1976-04-14 1976-04-14 Automatic focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4196976A JPS52125305A (en) 1976-04-14 1976-04-14 Automatic focusing device

Publications (1)

Publication Number Publication Date
JPS52125305A true JPS52125305A (en) 1977-10-21

Family

ID=12623007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4196976A Pending JPS52125305A (en) 1976-04-14 1976-04-14 Automatic focusing device

Country Status (1)

Country Link
JP (1) JPS52125305A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278025A (en) * 1988-09-14 1990-03-19 Copal Co Ltd Optical pickup device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134318A (en) * 1973-04-26 1974-12-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134318A (en) * 1973-04-26 1974-12-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278025A (en) * 1988-09-14 1990-03-19 Copal Co Ltd Optical pickup device

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