JPS5346726A - Exposure controller of cameras - Google Patents

Exposure controller of cameras

Info

Publication number
JPS5346726A
JPS5346726A JP12173876A JP12173876A JPS5346726A JP S5346726 A JPS5346726 A JP S5346726A JP 12173876 A JP12173876 A JP 12173876A JP 12173876 A JP12173876 A JP 12173876A JP S5346726 A JPS5346726 A JP S5346726A
Authority
JP
Japan
Prior art keywords
exposure
cameras
exposure controller
correcting
measures
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
JP12173876A
Other languages
Japanese (ja)
Inventor
Ryoichi Suzuki
Tokuichi Tsunekawa
Hiroyoshi Kawana
Yusuke Ono
Mutsuhide Matsuda
Takashi Uchiyama
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 JP12173876A priority Critical patent/JPS5346726A/en
Priority to US05/839,832 priority patent/US4131350A/en
Publication of JPS5346726A publication Critical patent/JPS5346726A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To always obtain an optimum exposure by providing a second photometric circuit which measures the reflected light from the outside of the image plane of a film or the transmitted light therethrough prior to exposure and correcting the control output value of an exposure control circuit with the output thereof.
COPYRIGHT: (C)1978,JPO&Japio
JP12173876A 1976-10-08 1976-10-08 Exposure controller of cameras Pending JPS5346726A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12173876A JPS5346726A (en) 1976-10-08 1976-10-08 Exposure controller of cameras
US05/839,832 US4131350A (en) 1976-10-08 1977-10-06 Exposure control device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12173876A JPS5346726A (en) 1976-10-08 1976-10-08 Exposure controller of cameras

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP59010501A Division JPS59229529A (en) 1984-01-25 1984-01-25 Controller for amount of exposure of camera

Publications (1)

Publication Number Publication Date
JPS5346726A true JPS5346726A (en) 1978-04-26

Family

ID=14818646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12173876A Pending JPS5346726A (en) 1976-10-08 1976-10-08 Exposure controller of cameras

Country Status (1)

Country Link
JP (1) JPS5346726A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127811A (en) * 1976-04-16 1977-10-26 Yoshiaki Nakamura Special paddy for nursery
JPS53122510A (en) * 1978-03-28 1978-10-26 Yoshiaki Nakamura Direct seeding method of paddy for nursery
JPS5454811A (en) * 1978-09-04 1979-05-01 Yoshiaki Nakamura Special rice seed
JPS5643627A (en) * 1979-09-17 1981-04-22 Olympus Optical Co Ltd Reflected light measuring device for focal plane shutter
JPS5830733A (en) * 1981-08-18 1983-02-23 Mamiya Koki Kk Direct photometric method capable of correcting difference of film reflectance
JPS606105A (en) * 1983-06-22 1985-01-12 保土谷化学工業株式会社 Improved spraying method of powdery chemicals to rice seed
JPS62249901A (en) * 1986-04-24 1987-10-30 Onoda Kagaku Kogyo Kk Coating agent for plant seed

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127811A (en) * 1976-04-16 1977-10-26 Yoshiaki Nakamura Special paddy for nursery
JPS5518481B2 (en) * 1976-04-16 1980-05-19
JPS53122510A (en) * 1978-03-28 1978-10-26 Yoshiaki Nakamura Direct seeding method of paddy for nursery
JPS5522045B2 (en) * 1978-03-28 1980-06-14
JPS5454811A (en) * 1978-09-04 1979-05-01 Yoshiaki Nakamura Special rice seed
JPS5643627A (en) * 1979-09-17 1981-04-22 Olympus Optical Co Ltd Reflected light measuring device for focal plane shutter
JPS5830733A (en) * 1981-08-18 1983-02-23 Mamiya Koki Kk Direct photometric method capable of correcting difference of film reflectance
JPS606105A (en) * 1983-06-22 1985-01-12 保土谷化学工業株式会社 Improved spraying method of powdery chemicals to rice seed
JPH0336481B2 (en) * 1983-06-22 1991-05-31 Hodogaya Chemical Co Ltd
JPS62249901A (en) * 1986-04-24 1987-10-30 Onoda Kagaku Kogyo Kk Coating agent for plant seed

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