JPS5339548Y2 - - Google Patents

Info

Publication number
JPS5339548Y2
JPS5339548Y2 JP1974051645U JP5164574U JPS5339548Y2 JP S5339548 Y2 JPS5339548 Y2 JP S5339548Y2 JP 1974051645 U JP1974051645 U JP 1974051645U JP 5164574 U JP5164574 U JP 5164574U JP S5339548 Y2 JPS5339548 Y2 JP S5339548Y2
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
JP1974051645U
Other languages
Japanese (ja)
Other versions
JPS50141641U (en:Method
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 JP1974051645U priority Critical patent/JPS5339548Y2/ja
Priority to US05/573,396 priority patent/US3975747A/en
Priority to DE19752520181 priority patent/DE2520181B2/de
Publication of JPS50141641U publication Critical patent/JPS50141641U/ja
Priority to US05/796,659 priority patent/USRE29615E/en
Application granted granted Critical
Publication of JPS5339548Y2 publication Critical patent/JPS5339548Y2/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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
JP1974051645U 1974-05-09 1974-05-09 Expired JPS5339548Y2 (en:Method)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1974051645U JPS5339548Y2 (en:Method) 1974-05-09 1974-05-09
US05/573,396 US3975747A (en) 1974-05-09 1975-05-01 Off-photometric-range indicator for exposure meter
DE19752520181 DE2520181B2 (de) 1974-05-09 1975-05-06 Vorrichtung zur anzeige einer ausserhalb des photometrischen bereichs liegenden belichtung
US05/796,659 USRE29615E (en) 1974-05-09 1977-05-13 Off-photometric-range indicator for exposure meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974051645U JPS5339548Y2 (en:Method) 1974-05-09 1974-05-09

Publications (2)

Publication Number Publication Date
JPS50141641U JPS50141641U (en:Method) 1975-11-21
JPS5339548Y2 true JPS5339548Y2 (en:Method) 1978-09-26

Family

ID=12892576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974051645U Expired JPS5339548Y2 (en:Method) 1974-05-09 1974-05-09

Country Status (3)

Country Link
US (1) US3975747A (en:Method)
JP (1) JPS5339548Y2 (en:Method)
DE (1) DE2520181B2 (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1549689A (en) * 1975-07-28 1979-08-08 Nippon Kogaku Kk Voltage generating circuit
US4571051A (en) * 1984-02-06 1986-02-18 Nippon Kogaku K.K. Display device of a camera

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597057C3 (de) * 1967-06-23 1974-02-14 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische Kamera mit einem Messwerk
JPS5038331B1 (en:Method) * 1971-03-03 1975-12-09
US3818495A (en) * 1972-02-28 1974-06-18 Fuji Photo Optical Co Ltd Exposure value indicating means for photographic camera

Also Published As

Publication number Publication date
JPS50141641U (en:Method) 1975-11-21
DE2520181A1 (de) 1975-11-27
DE2520181B2 (de) 1977-02-10
US3975747A (en) 1976-08-17

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