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Photoelectric exposure meters for determining the exposure time in recording or reproducing

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Industry

  • CPC
  • G01J1/4209
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Parent Industries

GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J1/00Photometry

Current Industry

G01J1/4209Photoelectric exposure meters for determining the exposure time in recording or reproducing
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