78048218
Feb 14, 2001
Jun 25, 2002
Instruments for infrared spectroscopic analysis of gases and substances, for detection of gas mixtures and substances, for motion detection using infrared light and for multi-gas detection by infrared spectrometry, namely, pyroelectric detectors, bolometric detectors, thermopile detectors, semiconductor detectors, NDIR detectors, infrared light emitters, spectrometers, optical gratings, infrared filters, infrared lenses, and application specific integrated circuits for signal treatment
Electrical and Scientific Apparatus