Photometer
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Sep 6, 2000
filing date -
Sep 6, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Photometer comprising a photo diode, arranged for producing an electric current, proportional to the intensity of picked-up light, the photo diode being linked by the intermediate of a resistance to an operational amplifier equipped with a bandpass filter, the value of the resistance is sized in such way as to level the resonance peak in the pass-band of the filter.
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