Radiant energy – Luminophor irradiation – With ultraviolet source
Patent
1988-04-11
1990-01-30
Hannaher, Constantine
Radiant energy
Luminophor irradiation
With ultraviolet source
250301, 2504581, G01N 2164
Patent
active
048975516
ABSTRACT:
A leak detector for monitoring, in an area being investigated, the presence of a liquid having a characteristic fluorescence spectrum. The leak detector includes a radiation source, with the radiation provided to the area being investigated. The detector also includes a collector for collecting radiation, in the fluorescence emission band of the liquid being monitored, emitted from the area being investigated. The presence of this liquid is sensed by detection of a threshold level of collected radiation. The size of a stain of the liquid relative to the size of the field of view of the collector is then determined.
REFERENCES:
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patent: 3806727 (1974-04-01), Leonard et al.
patent: 3899213 (1975-08-01), Fantasia et al.
patent: 3917945 (1975-11-01), Sema et al.
patent: 4034219 (1977-07-01), Louden et al.
patent: 4768513 (1988-09-01), Suzuki
Adler-Golden Steven M.
Bien Fritz
Gersh Michael E.
Goldstein Neil M.
Dingman Brian M.
Hannaher Constantine
Iandiorio Joseph S.
Spectral Sciences Inc.
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