Device for analysis and colour display of objects possibly masked by a screen
FR2499244A1
Electro-optical room pollutant analysis process - using phase variation in EM radiation propagating simultaneously in media having different refractive indices
FR2467397A1
Fibre optic analyser for biochemical samples - has fibres carrying required wavelength radiation immersed in sample to provide analysis on photographic paper
FR2452098A1
Photometric analysis of liq. or gaseous samples - esp. for determn. of alcohol in breath
FR2448719A1
Detection of alcohol in the blood - employs platinum measuring resistance in bridge circuit the unbalance of which operates buzzer
FR2443060A1
Determining alcohol contents in air exhaled by persons - requires measurement of modification of frequency of luminous radiation
FR2422946A1
Laser analysis of chemical and pharmaceutical prods. - incorporates modulation of laser ray, passing of modulated ray through prod. and determn. of effects
FR2385273A1
Laser beam receiver for satellites and aircraft - has photoelectric avalanche diode and detects pollution and radioactive fall=out
FR2372075A1
Helium filled distress balloon - has air content to stabilise its altitude and is fitted with transmitter
FR2314490A1
Laser equipped multipurpose sensor for geological research - measures gravity using laser levitation method and homogeneity using laser interferometry
