HK67680A - Improvements in or relating to a photometer - Google Patents

Improvements in or relating to a photometer

Info

Publication number
HK67680A
HK67680A HK676/80A HK67680A HK67680A HK 67680 A HK67680 A HK 67680A HK 676/80 A HK676/80 A HK 676/80A HK 67680 A HK67680 A HK 67680A HK 67680 A HK67680 A HK 67680A
Authority
HK
Hong Kong
Prior art keywords
photometer
relating
Prior art date
Application number
HK676/80A
Other languages
English (en)
Original Assignee
Pignons Sa
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 Pignons Sa filed Critical Pignons Sa
Publication of HK67680A publication Critical patent/HK67680A/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
HK676/80A 1976-05-04 1980-11-27 Improvements in or relating to a photometer HK67680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH554276A CH593483A5 (ja) 1976-05-04 1976-05-04

Publications (1)

Publication Number Publication Date
HK67680A true HK67680A (en) 1980-12-05

Family

ID=4295338

Family Applications (1)

Application Number Title Priority Date Filing Date
HK676/80A HK67680A (en) 1976-05-04 1980-11-27 Improvements in or relating to a photometer

Country Status (10)

Country Link
US (1) US4166696A (ja)
JP (1) JPS52134485A (ja)
AU (1) AU2481777A (ja)
CH (1) CH593483A5 (ja)
DE (1) DE2719589A1 (ja)
FR (1) FR2350589A1 (ja)
GB (1) GB1571310A (ja)
HK (1) HK67680A (ja)
IT (1) IT1116325B (ja)
SE (1) SE7705046L (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111417A1 (de) * 1981-03-24 1982-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bestrahlungsmesser
SE441867B (sv) * 1984-04-05 1985-11-11 Ericsson Telefon Ab L M Forfarande och anordning for metning av effekten hos infallande ljus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2220204C2 (de) * 1972-04-25 1974-05-16 Labtronic Ag Gesellschaft Fuer Klinische Labortechnik, Zuerich (Schweiz) Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette
DE2243824A1 (de) * 1972-09-07 1974-03-14 Leitz Ernst Gmbh Schaltanordnung fuer belichtungsmesser mit logarithmiertem ausgangssignal
US3882510A (en) * 1972-10-06 1975-05-06 Asahi Optical Co Ltd Oscillation systems for control of camera shutters
JPS5629253B2 (ja) * 1973-02-01 1981-07-07
US3992098A (en) * 1975-07-02 1976-11-16 Itek Corporation System for digitally controlling exposure time of camera

Also Published As

Publication number Publication date
CH593483A5 (ja) 1977-12-15
FR2350589A1 (fr) 1977-12-02
AU2481777A (en) 1978-11-09
SE7705046L (sv) 1977-11-05
JPS52134485A (en) 1977-11-10
US4166696A (en) 1979-09-04
IT1116325B (it) 1986-02-10
DE2719589A1 (de) 1977-11-24
GB1571310A (en) 1980-07-16

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HK67680A (en) Improvements in or relating to a photometer