Infrared measuring arrangement with expanded measuring range

Details Infrared measuring arrangement with expanded measuring range Infrared measuring arrangement with expanded measuring range

1998-02-05

2000-06-13

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01N 2161

Patent

active

060752467

ABSTRACT:
An infrared measuring arrangement with essentially expanded measuring range with an infrared radiation source (3) and an infrared radiation detector (4). The infrared radiation source (3) has a first, direct beam path to the infrared radiation detector (4), on the one hand, and, on the other hand, a second, reflected beam path to the infrared radiation detector (4), which is longer than the first one.

REFERENCES:
patent: 3761724 (1973-09-01), Dennis
patent: 5222389 (1993-06-01), Wong
patent: 5874737 (1999-02-01), Bytyn et al.
patent: 5908789 (1999-06-01), Weckstrom

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