Radiation sensor whereby radiation is diffused through the mater

Details Radiation sensor whereby radiation is diffused through the mater Radiation sensor whereby radiation is diffused through the mater

1987-10-22

1989-05-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250209, 356225, H01J 4014, G01J 142

Patent

active

048271209

ABSTRACT:
A radiation spot position sensor utilizing a diffuse material upon which a spot of radiation impinges and diffuses from that point outwardly along the material to the two ends thereof in a proportion indicative of the linear position of the spot along the sensor so as to be detected by radiation sensing devices located at the ends to produce and output that can be used to determine the linear position of the spot.

REFERENCES:
patent: 3840741 (1974-10-01), Melchior
patent: 3953131 (1976-04-01), Britz
patent: 4150285 (1979-04-01), Brienza et al.
patent: 4181398 (1980-01-01), Sick
patent: 4703173 (1987-10-01), Wood et al.

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