JPS5675608A - Automatic focus control device and automatic focus detecting device - Google Patents

Automatic focus control device and automatic focus detecting device

Info

Publication number
JPS5675608A
JPS5675608A JP15273279A JP15273279A JPS5675608A JP S5675608 A JPS5675608 A JP S5675608A JP 15273279 A JP15273279 A JP 15273279A JP 15273279 A JP15273279 A JP 15273279A JP S5675608 A JPS5675608 A JP S5675608A
Authority
JP
Japan
Prior art keywords
circuit
value
memories
defocusing
output
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
JP15273279A
Other languages
English (en)
Japanese (ja)
Other versions
JPH022130B2 (enrdf_load_stackoverflow
Inventor
Kunihiko Araki
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15273279A priority Critical patent/JPS5675608A/ja
Priority to US06/201,528 priority patent/US4387975A/en
Priority to DE3050920A priority patent/DE3050920C2/de
Priority to DE3041098A priority patent/DE3041098C2/de
Publication of JPS5675608A publication Critical patent/JPS5675608A/ja
Publication of JPH022130B2 publication Critical patent/JPH022130B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP15273279A 1979-10-31 1979-11-26 Automatic focus control device and automatic focus detecting device Granted JPS5675608A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP15273279A JPS5675608A (en) 1979-11-26 1979-11-26 Automatic focus control device and automatic focus detecting device
US06/201,528 US4387975A (en) 1979-10-31 1980-10-28 Automatic focusing position detection apparatus
DE3050920A DE3050920C2 (de) 1979-10-31 1980-10-31 Einrichtung zur automatischen Scharfeinstellung eines optischen Systems auf einen Gegenstand
DE3041098A DE3041098C2 (de) 1979-10-31 1980-10-31 Einrichtung zur Bestimmung der Scharfeinstellung eines optischen Systems auf einen Gegenstand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15273279A JPS5675608A (en) 1979-11-26 1979-11-26 Automatic focus control device and automatic focus detecting device

Publications (2)

Publication Number Publication Date
JPS5675608A true JPS5675608A (en) 1981-06-22
JPH022130B2 JPH022130B2 (enrdf_load_stackoverflow) 1990-01-17

Family

ID=15546943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15273279A Granted JPS5675608A (en) 1979-10-31 1979-11-26 Automatic focus control device and automatic focus detecting device

Country Status (1)

Country Link
JP (1) JPS5675608A (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591012U (ja) * 1982-06-25 1984-01-06 日本精密工業株式会社 自動焦点調節装置
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS59140426A (ja) * 1983-02-01 1984-08-11 Kyocera Corp レンズ交換自動焦点調節カメラのモ−タ制御装置
JPS59159115A (ja) * 1983-03-01 1984-09-08 Nippon Kogaku Kk <Nikon> 自動合焦装置
JPS6037513A (ja) * 1983-08-11 1985-02-26 Nippon Kogaku Kk <Nikon> ずれ量検出装置
JPS6036906A (ja) * 1983-08-09 1985-02-26 Konishiroku Photo Ind Co Ltd 光電式距離測定装置
JPS6225716A (ja) * 1985-07-26 1987-02-03 Minolta Camera Co Ltd 相関像比較装置及びそれを用いた焦点検出装置及び測距装置
US4882601A (en) * 1986-05-16 1989-11-21 Minolta Camera Kabushiki Kaisha Camera with an automatic focusing device
US4888609A (en) * 1985-01-17 1989-12-19 Minolta Camera Kabushiki Kaisha Automatic focus adjusting apparatus
US4910548A (en) * 1986-05-16 1990-03-20 Minolta Camera Kabushiki Kaisha Camera with a multi-zone focus detecting device
JPH0333707A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
US5168299A (en) * 1986-05-16 1992-12-01 Minolta Camera Co., Ltd. Camera with a multi-zone focus detecting device
US5218395A (en) * 1986-05-16 1993-06-08 Minolta Camera Kabushiki Kaisha Camera with a multi-zone focus detecting device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115432A (ja) * 1974-07-29 1976-02-06 Yashica Co Ltd Goshotenkenshutsusochi
JPS5123138A (ja) * 1974-08-20 1976-02-24 Canon Kk Ichiganrefuretsukusukamera
JPS5267322A (en) * 1975-12-02 1977-06-03 Masayoshi Yoshimura Focusing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115432A (ja) * 1974-07-29 1976-02-06 Yashica Co Ltd Goshotenkenshutsusochi
JPS5123138A (ja) * 1974-08-20 1976-02-24 Canon Kk Ichiganrefuretsukusukamera
JPS5267322A (en) * 1975-12-02 1977-06-03 Masayoshi Yoshimura Focusing device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591012U (ja) * 1982-06-25 1984-01-06 日本精密工業株式会社 自動焦点調節装置
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS59140426A (ja) * 1983-02-01 1984-08-11 Kyocera Corp レンズ交換自動焦点調節カメラのモ−タ制御装置
JPS59159115A (ja) * 1983-03-01 1984-09-08 Nippon Kogaku Kk <Nikon> 自動合焦装置
JPS6036906A (ja) * 1983-08-09 1985-02-26 Konishiroku Photo Ind Co Ltd 光電式距離測定装置
JPS6037513A (ja) * 1983-08-11 1985-02-26 Nippon Kogaku Kk <Nikon> ずれ量検出装置
US5079582A (en) * 1985-01-14 1992-01-07 Minolta Camera Kabushiki Kaisha Automatic focus adjusting apparatus
US5001509A (en) * 1985-01-17 1991-03-19 Minolta Camera Kabushiki Kaisha Automatic focus adjusting apparatus
US4888609A (en) * 1985-01-17 1989-12-19 Minolta Camera Kabushiki Kaisha Automatic focus adjusting apparatus
JPS6225716A (ja) * 1985-07-26 1987-02-03 Minolta Camera Co Ltd 相関像比較装置及びそれを用いた焦点検出装置及び測距装置
US4910548A (en) * 1986-05-16 1990-03-20 Minolta Camera Kabushiki Kaisha Camera with a multi-zone focus detecting device
US4882601A (en) * 1986-05-16 1989-11-21 Minolta Camera Kabushiki Kaisha Camera with an automatic focusing device
US5168299A (en) * 1986-05-16 1992-12-01 Minolta Camera Co., Ltd. Camera with a multi-zone focus detecting device
US5218395A (en) * 1986-05-16 1993-06-08 Minolta Camera Kabushiki Kaisha Camera with a multi-zone focus detecting device
JPH0333707A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置

Also Published As

Publication number Publication date
JPH022130B2 (enrdf_load_stackoverflow) 1990-01-17

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