Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1986-03-06
1987-10-27
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356236, H01J 516
Patent
active
047031735
ABSTRACT:
Apparatus for monitoring the intensity of light comprising an optical waveguide having a light-collecting tip end with a diffusing surface which is shaped so that it can collect and transmit light rays into the waveguide. The structure of the tip is such that it is capable of collecting rays which are directed toward the tip from all angles within a 360.degree. arc. The tip may be conical, hemispherical, ellipsoidal or variations of these geometrical forms.
REFERENCES:
patent: 4130363 (1978-12-01), Graham
patent: 4140544 (1979-02-01), Sill
patent: 4178101 (1979-12-01), Booth
patent: 4203668 (1980-05-01), Chapman
patent: 4623789 (1986-11-01), Ikeda et al.
Stowe Richard W.
Wood Charles H.
Fusion Systems Corporation
Nelms David C.
Oen William L.
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