JPS4974276U - - Google Patents

Info

Publication number
JPS4974276U
JPS4974276U JP1972118142U JP11814272U JPS4974276U JP S4974276 U JPS4974276 U JP S4974276U JP 1972118142 U JP1972118142 U JP 1972118142U JP 11814272 U JP11814272 U JP 11814272U JP S4974276 U JPS4974276 U JP S4974276U
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.)
Granted
Application number
JP1972118142U
Other languages
Japanese (ja)
Other versions
JPS5426067Y2 (cg-RX-API-DMAC7.html
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 JP1972118142U priority Critical patent/JPS5426067Y2/ja
Priority to GB4471473A priority patent/GB1397482A/en
Priority to NL7313166.A priority patent/NL164963C/xx
Priority to DE19732351420 priority patent/DE2351420C3/de
Priority to FR7336556A priority patent/FR2203072B1/fr
Publication of JPS4974276U publication Critical patent/JPS4974276U/ja
Application granted granted Critical
Publication of JPS5426067Y2 publication Critical patent/JPS5426067Y2/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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP1972118142U 1972-10-12 1972-10-12 Expired JPS5426067Y2 (cg-RX-API-DMAC7.html)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1972118142U JPS5426067Y2 (cg-RX-API-DMAC7.html) 1972-10-12 1972-10-12
GB4471473A GB1397482A (en) 1972-10-12 1973-09-24 Photoelectric exposure meter
NL7313166.A NL164963C (nl) 1972-10-12 1973-09-25 Foto-electrische belichtingsmeter.
DE19732351420 DE2351420C3 (de) 1972-10-12 1973-10-12 Photoelektrischer Belichtungsmesser
FR7336556A FR2203072B1 (cg-RX-API-DMAC7.html) 1972-10-12 1973-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972118142U JPS5426067Y2 (cg-RX-API-DMAC7.html) 1972-10-12 1972-10-12

Publications (2)

Publication Number Publication Date
JPS4974276U true JPS4974276U (cg-RX-API-DMAC7.html) 1974-06-27
JPS5426067Y2 JPS5426067Y2 (cg-RX-API-DMAC7.html) 1979-08-29

Family

ID=14729096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972118142U Expired JPS5426067Y2 (cg-RX-API-DMAC7.html) 1972-10-12 1972-10-12

Country Status (4)

Country Link
JP (1) JPS5426067Y2 (cg-RX-API-DMAC7.html)
FR (1) FR2203072B1 (cg-RX-API-DMAC7.html)
GB (1) GB1397482A (cg-RX-API-DMAC7.html)
NL (1) NL164963C (cg-RX-API-DMAC7.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025336B1 (cg-RX-API-DMAC7.html) * 1967-11-28 1975-08-22

Also Published As

Publication number Publication date
NL164963C (nl) 1981-02-16
FR2203072A1 (cg-RX-API-DMAC7.html) 1974-05-10
DE2351420B2 (de) 1976-01-29
NL7313166A (cg-RX-API-DMAC7.html) 1974-04-16
NL164963B (nl) 1980-09-15
JPS5426067Y2 (cg-RX-API-DMAC7.html) 1979-08-29
FR2203072B1 (cg-RX-API-DMAC7.html) 1976-06-18
DE2351420A1 (de) 1974-04-25
GB1397482A (en) 1975-06-11

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