JPS6227688B2 - - Google Patents

Info

Publication number
JPS6227688B2
JPS6227688B2 JP54139549A JP13954979A JPS6227688B2 JP S6227688 B2 JPS6227688 B2 JP S6227688B2 JP 54139549 A JP54139549 A JP 54139549A JP 13954979 A JP13954979 A JP 13954979A JP S6227688 B2 JPS6227688 B2 JP S6227688B2
Authority
JP
Japan
Prior art keywords
focus
signal
distance
short
time
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.)
Expired
Application number
JP54139549A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5662220A (en
Inventor
Tokuichi Tsunekawa
Takashi Amikura
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP13954979A priority Critical patent/JPS5662220A/ja
Priority to US06/199,262 priority patent/US4335942A/en
Priority to DE3040162A priority patent/DE3040162C2/de
Publication of JPS5662220A publication Critical patent/JPS5662220A/ja
Publication of JPS6227688B2 publication Critical patent/JPS6227688B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP13954979A 1979-10-26 1979-10-26 Unstable operation preventing system of automatic focus detector Granted JPS5662220A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13954979A JPS5662220A (en) 1979-10-26 1979-10-26 Unstable operation preventing system of automatic focus detector
US06/199,262 US4335942A (en) 1979-10-26 1980-10-21 Camera provided with automatic focus detector
DE3040162A DE3040162C2 (de) 1979-10-26 1980-10-24 Automatische Scharfeinstelleinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13954979A JPS5662220A (en) 1979-10-26 1979-10-26 Unstable operation preventing system of automatic focus detector

Publications (2)

Publication Number Publication Date
JPS5662220A JPS5662220A (en) 1981-05-28
JPS6227688B2 true JPS6227688B2 (fr) 1987-06-16

Family

ID=15247841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13954979A Granted JPS5662220A (en) 1979-10-26 1979-10-26 Unstable operation preventing system of automatic focus detector

Country Status (1)

Country Link
JP (1) JPS5662220A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01223986A (ja) * 1988-03-02 1989-09-07 Sankyo Kk 遊技機の回転ドラム装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0228508Y2 (fr) * 1981-02-03 1990-07-31
JPS5852607A (ja) * 1981-09-24 1983-03-28 Nippon Kogaku Kk <Nikon> 自動焦点調節装置
JPS593406A (ja) * 1982-06-29 1984-01-10 Olympus Optical Co Ltd 焦点状態検出装置
JPS6231814A (ja) * 1985-08-02 1987-02-10 Matsushita Electric Ind Co Ltd 自動焦点調節装置
JP2572678B2 (ja) * 1990-10-09 1997-01-16 旭光学工業株式会社 レンズシャッタ式ズームレンズカメラ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52126225A (en) * 1976-04-15 1977-10-22 Asahi Optical Co Ltd Automatic focusing unit control circuit for ignoring pseudoofocus position detection signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52126225A (en) * 1976-04-15 1977-10-22 Asahi Optical Co Ltd Automatic focusing unit control circuit for ignoring pseudoofocus position detection signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01223986A (ja) * 1988-03-02 1989-09-07 Sankyo Kk 遊技機の回転ドラム装置

Also Published As

Publication number Publication date
JPS5662220A (en) 1981-05-28

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