FR1482451A - Photomètre de comparaison - Google Patents

Photomètre de comparaison

Info

Publication number
FR1482451A
FR1482451A FR64366A FR64366A FR1482451A FR 1482451 A FR1482451 A FR 1482451A FR 64366 A FR64366 A FR 64366A FR 64366 A FR64366 A FR 64366A FR 1482451 A FR1482451 A FR 1482451A
Authority
FR
France
Prior art keywords
comparison photometer
photometer
comparison
Prior art date
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
FR64366A
Other languages
English (en)
Inventor
Conrad Heinrich Biber
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Priority to FR64366A priority Critical patent/FR1482451A/fr
Application granted granted Critical
Publication of FR1482451A publication Critical patent/FR1482451A/fr
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
    • G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
    • G01J1/122—Visual exposure meters for determining the exposure time in photographical recording or reproducing
    • G01J1/124—Visual exposure meters for determining the exposure time in photographical recording or reproducing based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR64366A 1966-06-06 1966-06-06 Photomètre de comparaison Expired FR1482451A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR64366A FR1482451A (fr) 1966-06-06 1966-06-06 Photomètre de comparaison

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR64366A FR1482451A (fr) 1966-06-06 1966-06-06 Photomètre de comparaison

Publications (1)

Publication Number Publication Date
FR1482451A true FR1482451A (fr) 1967-05-26

Family

ID=8610260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR64366A Expired FR1482451A (fr) 1966-06-06 1966-06-06 Photomètre de comparaison

Country Status (1)

Country Link
FR (1) FR1482451A (fr)

Similar Documents

Publication Publication Date Title
DK123139B (da) Blebukser.
FR1512918A (fr) Photomètre
DK123626B (da) Sæbestift.
DK130890B (da) Lineholder.
DK118979B (da) Mideovicid.
BR6787833D0 (pt) Transceptores de fac-similes
DK111200B (da) Lastpalle.
FR90432E (fr) Photomètre de comparaison
FR1482451A (fr) Photomètre de comparaison
DK118511B (da) Elektrostencil.
FR1436204A (fr) Photomètre de comparaison
FR87727E (fr) Photomètre de comparaison
FR88185E (fr) Photomètre de comparaison
FR87726E (fr) Photomètre de comparaison
FR89243E (fr) Photomètre de comparaison
FR1524079A (fr) Essuie-glace
FI50189C (fi) Vaiheilmaisin.
FR1515675A (fr) Sphygmomètre photo-électrique
ES122200Y (es) Banderilla.
DK111990B (da) Tachistoskop.
BR6794397D0 (pt) Pirimido benzo-tiazinas
ES126391Y (es) Álbum-estuche de numismática
ES133606Y (es) Apero de labranza.
FR1478764A (fr) Colorimètre
FR1486972A (fr) Pare-brise