Matches 101 - 150 out of 361 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4999498 Remote sensing gas analyzer  
A particular area or areas are monitored for the presence of gaseous materials, particularly pollutants by analyzing background infrared radiation present in the selected area with a spectrometer...
4997242 Achromatic scanning system  
An achromatic scanning system 25 subjects an incoming beam of light to reflection off four successive mirrors (35a, 42a, 42b, 35b). The mirrors at the input and output are preferably plane mirrors...
4990781 Spectroscopically operating infrared hygrometer  
In a spectroscopically operating infrared hygrometer, beams emitted by the beam source and formed by the lens arrangement disposed in front thereof, are reflected via two pairs of rotating lenses,...
4988858 Catoptric multispectral band imaging and detecting device  
A multispectral band imaging and detecting device for use with a catoptric zoom optical device having a focal plane. A plurality of electromagnetic radiation detectors are provided that are...
4987305 Infra-red sensing system  
An IR sensing system wherein the focal area is located outside the casing at holds a detector array and a bundle of optical fibres leads from the focal area to the detector array in the array such...
4960995 Radiation detector  
A radiation detector, serving as an infrared movement monitor, which is reactive to thermal radiation includes a housing having a window admitting the radiation and optics. The window having a size...
4958077 Method and apparatus for displaying moving objects  
The present invention is concerned with displaying moving objects (targets) wherein two time-shifted object signatures are imaged on a detector. Target scanning is with a prismatic rotating wheel,...
4950896 Modified forward looking IR device to include wide angle black hole radiometer  
An electrooptic support measure comprised of black hole radiometer within a orward looking infrared (FLIR) scanning imaging video processing system to provide friendly military personnel with the...
4922104 Infrared microspectrometer  
An infrared spectrum measuring microscope apparatus which is suitable for accurately identifying the material at a microfine portion. A sample stage is vertically moved and special optical means...
4914287 Laser radiation protected horizon sensor with successive reststrahlen  
A horizon sensor which senses the horizon and produces a signal which indicates orientation with respect thereto is provided for scanning the horizon or distant line of discontinuity in optical...
4902128 Apparatus for harmonizing a plurality of optical/optronic axis of sighting apparatus to a common axis  
Appartaus is disclosed for harmonizing onto a common reference axis the optical/optronic axes (4;5;18) of an aiming apparatus consisting of day sight channel (3) and combined thermal image/laser...
4897548 Apparatus for the multiple analysis of gases  
An apparatus for the multiple analysis of gases which can react with another gas to produce emission of light has at least two reaction chambers (1a, 1b), a single photodetector (3) and an optical...
4879471 Rapid-scanning infrared sensor  
A scanning system and method for optically measuring parameters such as dry basis weight, basis weight and moisture content of fibrous sheets during manufacture. The system includes a first track...
4877960 Microscope having dual remote image masking  
A universal microscope for use with a commercial FT-IR spectrophotometer comprises a visible light microscope for selecting and masking an area of a sample and an infrared microscope for sampling...
4853541 Device for detecting the spatial orientation of excessively heated points  
In the case of a device for detecting the spatial orientation of excessively heated points of wheel bearings and/or wheel running treads of rail vehicles, it is suggested that a deflecting device,...
4833489 Electrical fθ correction system in a laser printer  
In optical scanning system of laser printer, laser lights are scanned at uniform speed on a photosensitive plane through the projection lens which brings focuses on the photosensitive element. The...
4810088 Laser rangefinder and thermal imager with enhanced scanning mirror control  
An improved laser rangefinder and thermal imager with enhanced scanning mirror control is disclosed. Optical axes (11,12) are aligned parallel to each other. The system includes only one common...
4794258 Spectroanalytical gas measuring apparatus  
A spectroanalytical gas measuring apparatus has a radiation source (36), a transmitting condensor (19), an objective (13) and a beam divider (11) which deflects at least a part of the radiation...
4792684 Dual field horizon scanner  
Pitch and roll attitude information of an orbiting body is provided by sensing the discontinuity of optical radiation in a scan field of view between the reference body and outer space using a...
4791297 Yaw sensing conical scanner horizon sensor  
A radiation detector is scanned over two fan fields of view by first and second cylindrical lenses spaced about the axis of rotation of a common optical element positioned on the axis of rotation....
4782228 High efficiency optical scanner with multiplexing means  
An improved optical system having an opto-mechanical scanner for increasing the duty cycle of the scanner while maintaining a constant optical aperture throughout the scan. Two alternating optical...
4773752 Stabilized sighting apparatus  
A stabilized sighting apparatus comprising a infrared camera sensitive to the thermal infrared rotatably mounted for rotation about an elevation axis on an assembly rotatable on a platform about an...
4763001 Apparatus for generating an image  
In an apparatus for generating an image of a scene, preferably an image of a heat image, the image is moved line by line across a row of detectors by means of a scanning mirror. The signals thus...
4760258 Optical instrument  
In an IR-FR- spectrometer, a light beam (10) is guided from a source to a detector (31) and is passed, in a first mode of operation, by means of first optical means (12, 19, 20) through a sample to...
4757200 Pulsed radiation detection system  
A high-sensitivity pulsed radiation detection system which receives pulses of radiation from a target area and includes a charge-coupled device having an array of photosensitive elements and an...
4749862 Scanning fire-monitoring system  
A scanning fire-monitoring system comprising a fire source detecting apparatus including a detecting head having a small field of vision and adapted to detect heat radiant energy from a monitoring...
4746906 Dual technology intruder detection system with modular optics  
Disclosed herein is a dual technology intruder detection system which features a modular optical system by which the field of protection of one subsystem can be changed relative to the field of...
4746798 Compact optical wavelength discriminator radiometer  
A wavelength discriminator designed to collect broadband, multiple wavelength input energy, to isolate specific narrow bands of interest, and to image such narrow bands of interest upon closely...
4745280 Apparatus for measuring the profile of a laser beam  
An apparatus for accurately measuring laser beam intensity profiles so as to permit adjusting the oscillation mode of the laser to achieve good workability of the beam. The beam from a CO 2 laser...
4739167 Device for synchronous modulation, synchronous light-path switch-over and control-signal derivation for step-drive controlled modulation and switch-over devices  
Device for synchronous modulation, synchronous light-path switch-over and control-signal derivation for step-drive controlled modulation and switch-over devices, especially for multibeam spectral...
4730113 Safety system for a laser-utility facility  
A safety system for a laser-beam utilizing facility incorporates a safety enclosure (24) and an infra-red monitoring system (32) for detecting the development of hot spots at internal surfaces of...
4728795 Optical target detection systems  
The invention provides an infra-red target detection system in which an array of infra-red detectors is scanned vertically in swathes and horizontal scanning is effected by sampling the output of...
4707605 Method and apparatus for thermal examination of a target by selective sampling  
Selective thermal examination of a target is provided by scanning the field of view of an infrared detector over predetermined areas of a target. The selection is made by a plurality of infrared...
4695722 Optical scanner error compensator  
An optical projection system, e.g., an imaging infrared system, is compensated for errors caused by scan-to-scan jitter, framing jitter, vibrational effects, and scan nonlinearities. One or two...
4684804 Method and apparatus for processing the output signals of an optical earth-horizon sensor operating in the infrared range of an orbiting earth satellite  
A method and an apparatus for processing the output signals of an optical rth-horizon sensor (1) operating in the infrared range of an orbiting, e.g. stationary earth satellite with respect to...
4682029 Stereoscopic infrared imager having a time-shared detector array  
A stereoscopic infrared imager includes optics for producing infrared images of two different views of an infrared scene. A scanning mirror alternately scans the two infrared images across a single...
4672205 Method of processing the output signals of an optical earth-horizon sensor  
The invention is directed to a method for determining the anomaly portion the output signal of a zero-seeking earth-horizon sensor for a geostationary satellite. The horizon sensor comprises a...
4672206 Passive infrared detector  
A passive infrared detector including an optical collector releasably attached to a base with a sensor on which incident infrared radiation directed through the optical collector is focused. The...
4667104 Method and apparatus for deriving an off-course signal for an orbiting earth seatellite by means of an earth-horizon sensor  
A method and apparatus for deriving an off-course signal for an orbiting th satellite, preferably a geostationary satellite, by an earth-horizon sensor. The earth-horizon sensor operates in the...
4665314 Method and circuit for processing the signals of an earth-horizon sensor in an earth satellite  
A method and a circuit for processing the signals of an earth-horizon sen of a circularly orbiting earth satellite. The earth-horizon sensor operates in the infrared range and includes, in the...
4659932 Apparatus for interlacing infrared energy  
A radiant energy interlace system comprises an electromagnetic radiant energy reflector means having a magnetic core which includes a reed mirror portion and a body portion. The reed mirror portion...
4658140 Infrared scanner for forward loading infrared device (FLIR)  
An infrared scanner includes an infrared energy reflecting surface rigidly fixed to a supporting shaft. The shaft is supported by jewel bearings for rotation by a motor controlled by a control...
4654518 Scanning horizon sensor  
A scanning horizon sensor for indicating orientation by sensing a line of discontinuity in optical radiation in a field of view between a reference body and outer space is provided in which a...
4652755 Method and apparatus for analyzing particle-containing gaseous suspensions  
The method and apparatus permit analyses, by optical means, of properties of gaseous suspensions of particles, by measuring radiation that is emitted, transmitted or scattered by the particles....
4647777 Selective gas detector  
A selective infra-red detector is used to determine the amount of a selected gas present in a gas sample. A beam of infra-red energy is passed through a gas sample and into the selective infra-red...
4627724 Radiation scanning and detection system  
A source of radiation is detected by an optical scanning system including a otating mirror and an array of V-shaped detector elements. The detectors are arranged in vertically stacked pairs in a...
4626685 Multispectral collimator with built-in-test  
A multispectral collimator for testing and verifying electro-optical and opto-mechanical parameters of a forward looking infrared receiver, laser receiver, laser transmitter and the like. The...
4617438 Apparatus with an infrared ray detecting temperature sensor  
An infrared ray detecting apparatus comprises an infrared ray detecting element (5), bimorph elements (8a and 8b), a transistors (53, 54), a DC-DC converter (55), and a volume (56). A square wave...
4582989 Image scanning read-out apparatus  
An apparatus for reading out an image by scanning comprises a stimulating ray source, a device for scanning a stimulable phosphor sheet carrying an image stored therein by stimulating rays...
4574197 Dual field of view sensor  
A dual field of view sensor, particularly adapted for use as a forward-looking infrared night vision detector, includes a single detector (24) for receiving a light signal and developing an output...
Matches 101 - 150 out of 361 < 1 2 3 4 5 6 7 8 >