Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1985-03-29
1988-02-09
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358106, 376248, 376250, 340605, 356369, H04N 718
Patent
active
047244798
ABSTRACT:
A method and apparatus for detecting leakage in a shielded, radioactive hot ell having drip leakage-endangered sections, including a light source and polarizing element for irradiating the leakage-endangered sections with light, reflecting the light to a polarized photosensitive receiver, and an apparatus for comparing the received and reflected light with a threshhold value and for sounding an alarm whenever the comparison exceed predetermined limits. The method constitutes the steps for practicing the operation of the apparatus.
REFERENCES:
patent: 4464332 (1984-08-01), Boisseuil et al.
patent: 4467212 (1984-08-01), Olcott
Schmalfuss Harald
Schneider Bernhard
Sinsel Friedel
Britton Howard W.
Deutsche Gesselschaft fur Wiederfarbeitung von Kernbrennstoffen
Peng John K.
Sjoquist Paul L.
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