FR2454612B1 - - Google Patents

Info

Publication number
FR2454612B1
FR2454612B1 FR7910569A FR7910569A FR2454612B1 FR 2454612 B1 FR2454612 B1 FR 2454612B1 FR 7910569 A FR7910569 A FR 7910569A FR 7910569 A FR7910569 A FR 7910569A FR 2454612 B1 FR2454612 B1 FR 2454612B1
Authority
FR
France
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
FR7910569A
Other languages
French (fr)
Other versions
FR2454612A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7910569A priority Critical patent/FR2454612A1/fr
Publication of FR2454612A1 publication Critical patent/FR2454612A1/fr
Application granted granted Critical
Publication of FR2454612B1 publication Critical patent/FR2454612B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7910569A 1979-04-18 1979-04-18 Indicateur de luminosite d'ambiance nocturne Granted FR2454612A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7910569A FR2454612A1 (fr) 1979-04-18 1979-04-18 Indicateur de luminosite d'ambiance nocturne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7910569A FR2454612A1 (fr) 1979-04-18 1979-04-18 Indicateur de luminosite d'ambiance nocturne

Publications (2)

Publication Number Publication Date
FR2454612A1 FR2454612A1 (fr) 1980-11-14
FR2454612B1 true FR2454612B1 (enExample) 1982-10-29

Family

ID=9224755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910569A Granted FR2454612A1 (fr) 1979-04-18 1979-04-18 Indicateur de luminosite d'ambiance nocturne

Country Status (1)

Country Link
FR (1) FR2454612A1 (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2063704C3 (de) * 1970-12-24 1974-12-19 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische Kamera
JPS48100127A (enExample) * 1972-03-30 1973-12-18
US3895876A (en) * 1972-09-07 1975-07-22 Asahi Optical Co Ltd Quantized indication apparatus
JPS60613B2 (ja) * 1975-11-25 1985-01-09 旭光学工業株式会社 露出計のデジタル表示回路

Also Published As

Publication number Publication date
FR2454612A1 (fr) 1980-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse