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JPS55105230A - Automatic focus control unit - Google Patents

Automatic focus control unit

Info

Publication number
JPS55105230A
JPS55105230A JP1313179A JP1313179A JPS55105230A JP S55105230 A JPS55105230 A JP S55105230A JP 1313179 A JP1313179 A JP 1313179A JP 1313179 A JP1313179 A JP 1313179A JP S55105230 A JPS55105230 A JP S55105230A
Authority
JP
Japan
Prior art keywords
focus mode
focusing
continuous
mode
goes
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
JP1313179A
Other languages
Japanese (ja)
Inventor
Masamichi Furukawa
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 JP1313179A priority Critical patent/JPS55105230A/en
Publication of JPS55105230A publication Critical patent/JPS55105230A/en
Pending legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)

Abstract

PURPOSE: To make possible continuous focusing to high speed subjects and achieve lower power consumption by performing changing-over of continuous focus mode and single focus mode.
CONSTITUTION: A focusing switch SW1 and a focusing mode changeover switch SW2 are provided. SW1 goes ON by one operation and goes OFF by the second operation. SW2 performs changing-over of continuous focus mode and single focus mode. When SW1 is turned ON at the setting of the single focus mode, FF is set to turn ON a power control part SC, by which power source B is supplied to an automatic focus arithmetic control part AFC. A motor M is driven based on the output signal of a photo detecting part PS, by which photographing lens is moved. When the continuous focus mode is set, the focusing operation is accomplished continuously.
COPYRIGHT: (C)1980,JPO&Japio
JP1313179A 1979-02-07 1979-02-07 Automatic focus control unit Pending JPS55105230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1313179A JPS55105230A (en) 1979-02-07 1979-02-07 Automatic focus control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1313179A JPS55105230A (en) 1979-02-07 1979-02-07 Automatic focus control unit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP23996586A Division JPS6296917A (en) 1986-10-08 1986-10-08 Auto-focus controller

Publications (1)

Publication Number Publication Date
JPS55105230A true JPS55105230A (en) 1980-08-12

Family

ID=11824592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1313179A Pending JPS55105230A (en) 1979-02-07 1979-02-07 Automatic focus control unit

Country Status (1)

Country Link
JP (1) JPS55105230A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587622A (en) * 1981-07-08 1983-01-17 Nippon Kogaku Kk <Nikon> Motor driven camera capable of automatic focusing
JPS59159137A (en) * 1983-02-28 1984-09-08 Olympus Optical Co Ltd Automatic focusing device
JPS61119116U (en) * 1985-01-11 1986-07-28
US4623238A (en) * 1983-02-01 1986-11-18 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
JPS6296917A (en) * 1986-10-08 1987-05-06 Ricoh Co Ltd Auto-focus controller
JPS62127831A (en) * 1985-11-29 1987-06-10 Minolta Camera Co Ltd Automatic focusing device
US5247326A (en) * 1983-02-01 1993-09-21 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099729A (en) * 1973-12-31 1975-08-07
JPS5470033A (en) * 1977-11-16 1979-06-05 Sankyo Kougaku Kougiyou Kk Camera with automatic focusing unit
JPS5480124A (en) * 1977-12-09 1979-06-26 Minolta Camera Co Ltd Camera with automatic focus control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099729A (en) * 1973-12-31 1975-08-07
JPS5470033A (en) * 1977-11-16 1979-06-05 Sankyo Kougaku Kougiyou Kk Camera with automatic focusing unit
JPS5480124A (en) * 1977-12-09 1979-06-26 Minolta Camera Co Ltd Camera with automatic focus control device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587622A (en) * 1981-07-08 1983-01-17 Nippon Kogaku Kk <Nikon> Motor driven camera capable of automatic focusing
JPH0467172B2 (en) * 1981-07-08 1992-10-27 Nippon Kogaku Kk
US4623238A (en) * 1983-02-01 1986-11-18 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US4733262A (en) * 1983-02-01 1988-03-22 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US4774540A (en) * 1983-02-01 1988-09-27 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US5065176A (en) * 1983-02-01 1991-11-12 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US5142318A (en) * 1983-02-01 1992-08-25 Minolta Camera Co., Ltd. Camera system capable of automatic focus control
US5247326A (en) * 1983-02-01 1993-09-21 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
JPS59159137A (en) * 1983-02-28 1984-09-08 Olympus Optical Co Ltd Automatic focusing device
JPS61119116U (en) * 1985-01-11 1986-07-28
JPS62127831A (en) * 1985-11-29 1987-06-10 Minolta Camera Co Ltd Automatic focusing device
JPS6296917A (en) * 1986-10-08 1987-05-06 Ricoh Co Ltd Auto-focus controller

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