Radiant energy – Calibration or standardization methods
Patent
1998-05-15
2000-08-15
Hannaher, Constantine
Radiant energy
Calibration or standardization methods
250347, G01J 500
Patent
active
061040266
ABSTRACT:
In a system for parallel alignment of the axes of a thermal image apparatus, the IR beam path and the visual beam path extend along the same optical elements. A luminous point/four-quadrant sensor unit which in itself is adjusted with precise and stable axes, is assigned to the IR radiation and visual radiation in front of the display (LCD); and an imaging arm which can be swivelled into the IR beam path or is stationary and has a ridge mirror and a plane mirror, or only a beam splitter, is arranged in front of the viewing lens system.
REFERENCES:
patent: 4087689 (1978-05-01), Asawa
patent: 4649274 (1987-03-01), Hartmann
patent: 5534696 (1996-07-01), Johansson et al.
Hannaher Constantine
LFK Lenkflugkoerpersysteme GmbH
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