Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396)
11/1988
11/23/1988EP0292097A2 Device for detecting the mixing ratio of petrol and an alcohol or the like
11/23/1988EP0291962A2 Method of measuring polarization and birefringence in single mode optical fibres
11/23/1988EP0291660A2 Atomic absorption spectrophotometer
11/23/1988EP0112347B1 Light collector device and utilization thereof for spectroscopy
11/23/1988CN88101466A Tissue metabolism measuring apparatus
11/22/1988US4786817 System and method for measurement of traveling webs
11/22/1988US4786813 Fluorescence imaging system
11/22/1988US4786801 Finish Leak Detector having vertically movable light source
11/22/1988US4786800 Fluid drop detection and discrimination system
11/22/1988US4786602 Iodine and dye, optical density
11/22/1988US4786474 Flow-through housing
11/22/1988US4786171 Spectral analysis apparatus and method
11/22/1988US4786170 Apparatus for the graphic representation and analysis of fluorescence signals
11/22/1988US4786169 Optical analytical instrument for testing the transmission and reflection of a sample
11/22/1988CA1245200A1 Lighting device for inspecting objects for flaws
11/22/1988CA1245072A1 Method and apparatus for measuring single mode fiber mode field radius
11/22/1988CA1245071A1 Portable instant display and analysis reflectance spectrometer
11/17/1988WO1988008992A1 Fiber optic which is an inherent chemical sensor
11/17/1988WO1988008824A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants
11/17/1988WO1988008168A3 Interconnect verification using serial neighborhood processors
11/17/1988EP0291366A1 Optical fibre Michelson interferometer and its use, especially in temperature measurement
11/17/1988EP0291276A2 Locating and testing areas of interest on a workpiece
11/17/1988EP0291149A2 A luminescent chemical sensor for gases
11/17/1988EP0290920A2 Container for test-strips
11/17/1988EP0290657A1 Method and device for measuring the optical properties of thin layers
11/17/1988EP0290540A1 A method of measuring meat texture.
11/17/1988EP0290529A1 Monochromator arrangement.
11/17/1988EP0290473A1 Use of lanthanide chelate fluorophores based on dihydropyridine condensation products
11/17/1988DE3718202C1 Anordnung zur Messung eines Zustandswertes fuer organische Gewebeflaechen Arrangement for measuring a state value for organic Gewebeflaechen
11/17/1988DE3715507A1 Measurement of dust conc. in gas or solid particle conc. in liquid - opto-electronically measuring intensity of light pulses passed through medium
11/16/1988CN87103339A Method and apparatus for on-line spectrophotometric chemical analysis of material in moving process stream
11/15/1988US4785336 Device for monitoring characteristics of a film on a substrate
11/15/1988US4785283 Detecting system and detector
11/15/1988US4785185 Submillimeter laser measurement of water or filler content of sheets and bands of dielectric material
11/15/1988US4785184 Infrared trace element detection system
11/15/1988US4785170 For photometrically determining optical properties of a test specimen
11/15/1988US4784947 Flash-photometer for nephelometric determinations
11/15/1988US4784912 Latex particles incorporating stabilized fluorescent rare earth labels
11/15/1988US4784494 Method and apparatus for detecting universal and selectively concentration gradients, and for deflecting a light beam in a controlled fashion
11/15/1988US4784491 System to protect optics against dirty environments
11/15/1988US4784486 Multi-channel molecular gas analysis by laser-activated Raman light scattering
11/15/1988CA1244915A1 System for automatically inspecting transparent containers for sidewall and dimensional defects
11/10/1988DE3714755A1 Measuring device for flocs in a stream
11/09/1988EP0290279A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290278A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290275A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290274A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290273A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290272A1 Examination apparatus for measuring oxygenation
11/09/1988EP0290228A2 Surface defect detection and confirmation system and method
11/09/1988EP0290227A2 Surface pit detection system and method
11/09/1988EP0290125A2 Hydrophilic microplates for vertical beam photometry
11/09/1988EP0290074A1 Conveyor device
11/09/1988EP0290013A2 Densitometer and its use
11/09/1988EP0289976A2 Method and device for detecting the toxity of superficial waters as well as of drinking or nondrinking water
11/09/1988EP0289861A2 Detector assembly for analyzer instrument
11/09/1988EP0289833A2 Sensor and method for detecting the presence of air bubbles in liquid
11/09/1988EP0289789A1 Automatic analysis apparatus
11/09/1988EP0289581A1 Improved multichannel gas analyzer and method of use.
11/09/1988EP0289564A1 System and method for thermogravimetric analysis
11/09/1988CN88102685A Quenched medium cooling performance measurer using double laser beams
11/09/1988CN87216832U Tube type ultraviolet light sourse fluorescent flaw detector
11/08/1988US4783826 Pattern inspection system
11/08/1988US4783599 Particle detector for flowing liquids with the ability to distinguish bubbles via photodiodes disposed 180° apart
11/08/1988US4783416 Analytical method to determine the unwashed gum content in a gasoline boiling hydrocarbon
11/08/1988US4783316 Colorimetric gas dosimeter
11/08/1988US4783314 Fluorescent tracers - chemical treatment monitors
11/08/1988US4783168 Method of determining a physical property of a medium
11/08/1988US4783166 Arrangement for improving visual detection of painted areas relative to surrounding material
11/08/1988US4783144 Thin optical membranes and method of making the same
11/03/1988WO1988008588A1 System for monitoring and analysis of a continuous process
11/03/1988WO1988008527A1 Atomic absorption spectroscopy
11/03/1988DE3806690A1 Method and apparatus for detecting luminescence, thermal radiation and sound emissions and other radiations and charge emissions in fracture processes
11/03/1988DE3712879A1 Method and apparatus for determining water content in liquids based on oil and in similar liquids
11/02/1988EP0289120A2 Optical sensor
11/02/1988EP0289101A1 Apparatus for assessing the weld in belt layers for radial pneumatic tyres
11/02/1988EP0288946A2 Device for transporting partly temperature-conditioned strip-like test objects
11/02/1988EP0288602A2 Improvements in or relating to lasers
11/02/1988EP0288496A1 Repetitive pulsed raman cell with vibrating blade gas circulation.
11/02/1988EP0220233A4 Target keys for wafer probe alignment.
11/02/1988CN87102016A Specific light intensity determination method with optical rotation and high-speed sugar-inspection apparatus
11/01/1988US4782331 Photoelectric icing detector
11/01/1988US4782234 Method and apparatus for subsurface contaminant detection and measurement
11/01/1988US4782232 Infrared molecular species monitor
11/01/1988US4782226 Optoelectronic chemical reaction detector
11/01/1988US4781742 Method and apparatus for detecting unwanted materials among cullet
11/01/1988US4781559 Plastic pellet sorting apparatus with extruded side-stream monitoring
11/01/1988US4781464 Gel scanner
11/01/1988US4781459 Apparatus for measuring the amount of minute particles contained in liquid
11/01/1988US4781458 Fiber optic apparatus for detecting molecular species by surface enhanced Raman spectroscopy
11/01/1988US4781456 Absorption photometer
11/01/1988CA1243857A1 Light detector having a photodiode with bias control
10/1988
10/27/1988EP0261208A4 Ambient sensing transcucer devices with isolation.
10/26/1988EP0288233A2 System and method for detecting the center of an integrated circuit wafer
10/26/1988EP0287929A2 Remote sensing gas analyzer
10/26/1988EP0287900A2 Locking rack and disposable sample cartridge
10/26/1988EP0287665A1 Laser magnetic immunoassay method and apparatus therefor
10/26/1988EP0287624A1 Optical apparatus and method
10/26/1988EP0072821B1 Gas analyser, particularly audiovisual gas detector
10/25/1988US4780613 Infrared species specific emission source
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