Optics: measuring and testing – Photometers – Photoelectric
Reexamination Certificate
2006-08-01
2006-08-01
Pham, Hoa Q. (Department: 2877)
Optics: measuring and testing
Photometers
Photoelectric
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
Pham Hoa Q.
Sughrue & Mion, PLLC
Yokogawa Electric Corporation
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