JPS5386209A - Photograph diaphragm value detecting method - Google Patents

Photograph diaphragm value detecting method

Info

Publication number
JPS5386209A
JPS5386209A JP15713876A JP15713876A JPS5386209A JP S5386209 A JPS5386209 A JP S5386209A JP 15713876 A JP15713876 A JP 15713876A JP 15713876 A JP15713876 A JP 15713876A JP S5386209 A JPS5386209 A JP S5386209A
Authority
JP
Japan
Prior art keywords
photograph
detecting method
value detecting
diaphragm value
rotation
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
JP15713876A
Other languages
Japanese (ja)
Inventor
Toshimitsu Harada
Michio Yagi
Kazuo Shiozawa
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP15713876A priority Critical patent/JPS5386209A/en
Publication of JPS5386209A publication Critical patent/JPS5386209A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To detect the diaphragm position with a simple structure, wherein the rotation quantity of a rotator rotating interlocked with an iris driving structure driven by a motor for producing a pulse signal by a forcible rotation or magnetic detector is counted in a form of digital quantity.
COPYRIGHT: (C)1978,JPO&Japio
JP15713876A 1976-12-24 1976-12-24 Photograph diaphragm value detecting method Pending JPS5386209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15713876A JPS5386209A (en) 1976-12-24 1976-12-24 Photograph diaphragm value detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15713876A JPS5386209A (en) 1976-12-24 1976-12-24 Photograph diaphragm value detecting method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP212981A Division JPS56128925A (en) 1981-01-12 1981-01-12 Automatic exposure controlling method

Publications (1)

Publication Number Publication Date
JPS5386209A true JPS5386209A (en) 1978-07-29

Family

ID=15643019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15713876A Pending JPS5386209A (en) 1976-12-24 1976-12-24 Photograph diaphragm value detecting method

Country Status (1)

Country Link
JP (1) JPS5386209A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446251A (en) * 1977-09-19 1979-04-12 Furukawa Electric Co Ltd:The Polyethylene polymer composition for radiation crosslinking
JPS5565624U (en) * 1978-10-31 1980-05-06
JPS5785034A (en) * 1980-11-17 1982-05-27 Asahi Optical Co Ltd Diaphragm controlling mechanism
US4699490A (en) * 1985-07-08 1987-10-13 Minolta Camera Kabushiki Kaisha Diaphragm control device for cameras

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830928A (en) * 1971-08-26 1973-04-23
JPS49135628A (en) * 1973-04-26 1974-12-27
JPS5041532A (en) * 1972-08-28 1975-04-16
JPS50116027A (en) * 1974-02-25 1975-09-11
JPS50158328A (en) * 1974-06-10 1975-12-22

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830928A (en) * 1971-08-26 1973-04-23
JPS5041532A (en) * 1972-08-28 1975-04-16
JPS49135628A (en) * 1973-04-26 1974-12-27
JPS50116027A (en) * 1974-02-25 1975-09-11
JPS50158328A (en) * 1974-06-10 1975-12-22

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446251A (en) * 1977-09-19 1979-04-12 Furukawa Electric Co Ltd:The Polyethylene polymer composition for radiation crosslinking
JPS5618140B2 (en) * 1977-09-19 1981-04-27
JPS5565624U (en) * 1978-10-31 1980-05-06
JPS5785034A (en) * 1980-11-17 1982-05-27 Asahi Optical Co Ltd Diaphragm controlling mechanism
DE3145431A1 (en) * 1980-11-17 1982-06-09 Asahi Kogaku Kogyo K.K., Tokyo IRIS CONTROL MECHANISM
JPH0318691B2 (en) * 1980-11-17 1991-03-13 Asahi Optical Co Ltd
DE3153756C2 (en) * 1980-11-17 1993-09-23 Asahi Kogaku Kogyo K.K., Tokio/Tokyo, Jp
US4699490A (en) * 1985-07-08 1987-10-13 Minolta Camera Kabushiki Kaisha Diaphragm control device for cameras

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