Optics: measuring and testing – Infrared and ultraviolet
Patent
1980-10-08
1983-02-08
Punter, William H.
Optics: measuring and testing
Infrared and ultraviolet
250338, 250372, 2504741, G01V 148
Patent
active
043726801
ABSTRACT:
The present invention discloses a miniature spectrally selective dosimeter capable of measuring selected bandwidths of radiation exposure on small mobile areas. This is achieved by the combination of photovoltaic detectors, electrochemical integrators (E-cells) and filters in a small compact case which can be easily attached in close proximity to and substantially parallel to the surface being measured. In one embodiment two photovoltaic detectors 13 and 8, two E-cells 15 and 9 and three filters 14 and 16 are packaged in a small case 17 with attaching means consisting of a safety pin 19. In another embodiment, two detectors 31 and 32, one E-cell 33 and three filters 34 and 35 are packaged in a small case 36 with attaching means consisting of a clip 37 to clip over a side piece 38 of an eye glass frame 39. In a further embodiment, the electro-optic elements are packaged in a wristwatch case 51 with attaching means being a watchband 52. The filters in all embodiments allow only selected wavelengths of radiation to be detected by the photovoltaic detectors and then integrated by the E-cells.
REFERENCES:
patent: 2114163 (1938-04-01), Bird
patent: 3031576 (1962-04-01), Loy
patent: 3198945 (1965-08-01), Dewes et al.
patent: 3851970 (1974-12-01), Adler et al.
patent: 3926522 (1975-12-01), Andreotti
patent: 3962578 (1976-06-01), Roschen
Adams Richard R.
MacConochie Ian O.
Poole, Jr. Bordie D.
King William
Manning John
Osborn Howard
Punter William H.
The United States of America as represented by the Administrator
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