Optical power measuring apparatus

Optics: measuring and testing – Photometers – Photoelectric

Reexamination Certificate

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Details

C356S222000

Reexamination Certificate

active

07084964

ABSTRACT:
An optical power measuring apparatus for successively measuring optical power in a time series and displaying a time axis change of the measurement values as a measurement screen fixedly displays the latest measurement value of optical power on the measurement screen, and improves a working factor of an optical axis adjustment.

REFERENCES:
patent: 4225245 (1980-09-01), Roiret et al.
patent: 402025718 (1990-01-01), None

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