JPS5312599Y2 - - Google Patents

Info

Publication number
JPS5312599Y2
JPS5312599Y2 JP1972109495U JP10949572U JPS5312599Y2 JP S5312599 Y2 JPS5312599 Y2 JP S5312599Y2 JP 1972109495 U JP1972109495 U JP 1972109495U JP 10949572 U JP10949572 U JP 10949572U JP S5312599 Y2 JPS5312599 Y2 JP S5312599Y2
Authority
JP
Japan
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
JP1972109495U
Other versions
JPS4967633U (ja
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 filed Critical
Priority to JP1972109495U priority Critical patent/JPS5312599Y2/ja
Priority to GB4225473A priority patent/GB1378729A/en
Priority to DE19732346245 priority patent/DE2346245A1/de
Priority to US398810A priority patent/US3879137A/en
Publication of JPS4967633U publication Critical patent/JPS4967633U/ja
Application granted granted Critical
Publication of JPS5312599Y2 publication Critical patent/JPS5312599Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J1/46—Electric circuits using a capacitor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP1972109495U 1972-09-22 1972-09-22 Expired JPS5312599Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1972109495U JPS5312599Y2 (ja) 1972-09-22 1972-09-22
GB4225473A GB1378729A (en) 1972-09-22 1973-09-07 Exposure meters
DE19732346245 DE2346245A1 (de) 1972-09-22 1973-09-13 Schaltungsanordnung fuer photoelektrische belichtungsmesser
US398810A US3879137A (en) 1972-09-22 1973-09-19 Control circuit for an exposure meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972109495U JPS5312599Y2 (ja) 1972-09-22 1972-09-22

Publications (2)

Publication Number Publication Date
JPS4967633U JPS4967633U (ja) 1974-06-13
JPS5312599Y2 true JPS5312599Y2 (ja) 1978-04-05

Family

ID=14511689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972109495U Expired JPS5312599Y2 (ja) 1972-09-22 1972-09-22

Country Status (4)

Country Link
US (1) US3879137A (ja)
JP (1) JPS5312599Y2 (ja)
DE (1) DE2346245A1 (ja)
GB (1) GB1378729A (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461342C3 (de) * 1974-12-24 1978-09-28 Kodak Ag, 7000 Stuttgart Batterieprufeinrichtung und ihre Verwendung
US4174893A (en) * 1977-12-14 1979-11-20 Polaroid Corporation Exposure control system for use in photographic camera apparatus
JPS54145526A (en) * 1978-05-04 1979-11-13 Olympus Optical Co Ltd Camera information display device
US4242605A (en) * 1978-05-22 1980-12-30 Motorola, Inc. Transient array drive for bipolar ROM/PROM
JPS54156529A (en) * 1978-05-31 1979-12-10 Nippon Chemical Ind Camera power supply circuit
JPS5557830A (en) * 1978-10-23 1980-04-30 Canon Inc Power supply holding device of camera
US4540262A (en) * 1982-03-05 1985-09-10 Minolta Camera Camera accessory with data producer
US4575680A (en) * 1983-04-18 1986-03-11 Gold Kenneth S Battery condition indicator and on-off relay circuit
US4509846A (en) * 1983-04-21 1985-04-09 Minolta Camera Kabushiki Kaisha Camera system
US4636056A (en) * 1983-10-06 1987-01-13 Canon Kabushiki Kaisha Electrical power supply circuit in a camera
JPH0820664B2 (ja) * 1983-12-27 1996-03-04 株式会社ニコン 自動露出制御カメラ
GB9213737D0 (en) * 1992-06-29 1992-08-12 Nycomed Pharma As Light measurement
US6486718B1 (en) * 2001-05-21 2002-11-26 Roche Diagnostics Corporation Microprocessor self-power down circuit
US20100019829A1 (en) * 2008-07-28 2010-01-28 Cegnar Erik J Turn on-off power circuit for digital systems
US20110316609A1 (en) * 2008-07-28 2011-12-29 Ivus Industries, Llc Bipolar junction transistor turn on-off power circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798500A (en) * 1971-05-03 1974-03-19 Chrysler Corp Time delay headlamp control system

Also Published As

Publication number Publication date
DE2346245A1 (de) 1974-04-04
JPS4967633U (ja) 1974-06-13
GB1378729A (en) 1974-12-27
US3879137A (en) 1975-04-22

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