Radiant energy – Radiant energy generation and sources – With radiation modifying member
Patent
1988-11-09
1990-10-30
Berman, Jack I.
Radiant energy
Radiant energy generation and sources
With radiation modifying member
2504941, 2504951, 2502521, 434 21, 2733481, F41V 200
Patent
active
049670913
ABSTRACT:
Apparatus for testing and/or calibrating a detector comprising a latent image generator, the generator having differing reflectance coefficients across its surface such that in use, when irradiated by collimated radiation the output intensity from some regions is relatively high and from other regions is relatively low.
REFERENCES:
patent: 4279599 (1981-07-01), Marshall et al.
patent: 4605232 (1986-08-01), Hundstad
Fair Martin L.
Roberts John C.
Berman Jack I.
British Aerospace Public Limited Company
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