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Duration time measuring process using continuous light beam
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Electronic method for improving the quality of a line image
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THERMOGRAPH WITH SWITCHING OF THE IMAGE ANGLE
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Method for correction of the spherical abberation and the astigmatism of an eccentric light beam in reflecting optics
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Method for correcting the spherical aberration of an off-centre light bundle in a reflecting optical system
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SCANNER DEVICE FOR CARTESE THERMAL IMAGES
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Polygonal cylinder for use in optical picture scanning systems
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Optical infrared visor and deflection system for flying object - has potentiometers, control network providing command signals and reflectors
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METHOD AND DEVICE FOR DETECTING IMAGES USING A TRIPLE MIRROR
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Reducing stray light in optical systems
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Optical scanner with mirror oscillating to trangular waveform
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Polychromatic IR image converter - uses monochromatic LED display against variable intensity background colour
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OPTICAL ARRANGEMENT FOR SCANNING LARGE IMAGE FIELDS
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MULTIPLE LENS ARRANGEMENT FOR CORRECTING IMAGE DEFECTS
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IR optical viewing system - has correction voltage generator compensating signal errors due to reflections within viewer
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