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5559322 Imaging optical tracker  
Apparatus and a corresponding method for its use, for detecting and tracking targets in an optical field of view. The apparatus includes conventional telescopic optics to gather light from the...
5557102 Testing apparatus for the calibration of overheating and rail brake locating devices  
A testing apparatus for the calibration of overheating or rail brake locating devices comprises an IR emitter which is guided in a housing so that it can shift along a curved track to exhibit an...
5557261 Ice monitoring and detection system  
An ice monitoring and detection system for determining the presence and thickness of ice on a surface is provided. The system includes an imaging device which includes at least one lens for...
5555512 Picture processing apparatus for processing infrared pictures obtained with an infrared ray sensor and applied apparatus utilizing the picture processing apparatus  
A picture processing apparatus is composed of an infrared ray sensor for producing an infrared picture in which a heat distribution of a measured area is recorded, a picture processing section for...
5543620 Wide-view-angle and planarized-packing structure for IR heat sensing elements  
A structure for pyroelectric IR heat-sensing elements having a wide angle field of view is made by forming the essential heat-sensing elements and the related electronic elements into a...
5540946 Method of applying primers onto glass element of vehicles  
A dispensed bead (10) of material is disposed between a sensor pair (14) for monitoring the bead. The sensor pair (14) transmits a beam of light towards the bead of material. A signal is generated...
5530246 Viewing system  
A viewing system such as a panoramic sight for a tank, adapted for operation in both the visible and infra-red wavebands, comprising at least one common optical component which is receptive to...
5528038 Temperature distribution measurement apparatus and its application to a human body detecting system  
A temperature distribution measurement apparatus has an infrared array sensor that includes a pyroelectric substrate with infrared array receiving electrodes and electrodes for compensation formed...
5528354 Picture detecting sensor unit  
A picture detecting sensor unit has a passive sensor resolving a field of view into picture elements having different brightness. Picture processing means receive data from the picture detecting...
5528037 Band analysis system  
A band analysis system for determining the optimal signal-to-noise ratio between the spectral emissions from an object of interest and the spectral emissions from background noise for a target...
5512741 Target acquisition optoelectronic system with a very wide field  
The system comprises a focusing optics in the focal plane of which a linear array of photodetectors is disposed. A double prism located opposite to said photodetectors with respect to said...
5506675 Laser target designator tester for measuring static and dynamic error  
A method of testing a laser target designator, in which an aperture in the field of view of the laser target designator has one side facing the target image detector and the laser, a beam image...
5485012 Method and apparatus for blind optical augmentation  
A support-measure to pinpoint and neutralize electro-optical viewing devi or systems is provided which utilizes blind optical augmentation. The counter-measure uses a light source to which current...
5479255 Multispectral signature extraction technique  
A method and apparatus for separating or extracting a desired multispectral optical signal of interest from a background. Radiation is detected from a scene which includes the multispectral...
5477052 Earth sensor for satellites with radiance compensation  
The attitude of a satellite is determined by using an array of IR detectors receiving an image of space and the Earth. The detectors are positioned so that at least one detector monitors the...
5464980 Flame sensors and methods of sensing flame  
A flame sensor comprises a cell (10) containing an infra-red absorptive fluid such as carbon dioxide gas. Heating caused by absorption of the infra-red radiation is detected by measuring a...
5464979 Surround view detector focal plane  
A multi-directional infrared detector system provides multi-view or surround-view imaging which is particularly suited for use in tactical battlefield situations. The system utilizes a plurality...
5461231 Passive type moving object detection system  
A passive-type moving object detection system is disclosed. The system includes an infrared detector, infrared sensors mounted on the infrared detector, a detection field including two columns of...
5455424 Earth sensor for satellites  
The attitude of a satellite is determined by using an array of IR detectors receiving an image of space and the Earth. The detectors are spaced so that at least in a central zone, the sun will not...
5452089 Object locator  
A search light employs variable polarization angles to enhance target identification. The search light shines a beam of light which may be directed across terrain. The beam of light is alternated...
5452135 All-directional optical sensor apparatus  
An all-directional optical sensor apparatus 8 includes an all-directional prism 20 which has a cylindrical-shaped body with a hollow-out cone section formed in its top surface 22. The surface 28...
5448072 Infrared hot bearing and hot wheel detector  
A detector apparatus uses two scanners on the right of way for monitoring the wheels of a moving train . The scanners scan the wheels transversely to the tracks along a common axis and generate...
5444248 Method and apparatus for checking the condition of adhesive application in packages  
Method and apparatus for checking the condition of adhesive application in the form of beads on packages, characterized by the steps of causing each package to pass through a light reception area...
5442178 Cross-over field-of-view composite Fresnel lens for an infrared detection system  
A cross-over field-of-view composite Fresnel lens for use in an infrared detection system includes a plurality of Fresnel lens segments provided in first and second groups. The first group of...
5442177 Dusk delay system for outdoor motion detection  
A dusk delay system for outdoor motion detection provides the benefits of dusk to dawn, timed, and motion detection control. A dusk to dawn type sensor detects the onset of darkness and turns on...
5428221 Heat radiation detection system  
A detection system will detect and identify self-propelled objects, such as missiles, which create a hot exhaust plume. The exhaust plume has radiation which modulates with a frequency range of...
5422484 Infrared sensor suitable for fire fighting applications  
An infrared detector particularly well suited for the detection of heat sources, specifically from fires in an outdoor environment. The infrared detector comprises an infrared sensor receiving...
5417487 Presence detector  
A presence detector for detecting the presence of a heat source, including a motion detector having a predetermined field of view. The motion detector is activated by movement of a heat source a...
5414263 Infrared detection switching circuit  
A passive infrared detection and conversion circuit includes a pyrosensor, a current amplifier, a capacitor, and a signal processor circuit. The signal processor is operable to charge the...
5406083 Motion detector with two-sided PIR sensor in reflective arrangement  
A passive infrared motion detector with a 360° field of view. The motion detector includes an integrated-circuit infrared sensor package containing an infra-red sensor having one or more sensing...
5401976 Process to camouflage heat emitting device and particle for process  
A process to camouflage a device which emits infrared radiation from another device includes forming a wall of particles having a known distribution density between the two devices. The particles...
5400134 Device with infrared search head for detection and engagement of enemy helicopters  
An infrared search device for the detection and engagement of enemy helicopters is so designed that an IR Sensor in the focal plane of the IR Optics of the search head includes a 2-demensional...
5399862 Method for reducing radiance errors in earth sensors  
A horizon sensor orbiting the earth views the earth's horizon in at least two points in the earth's summer and winter hemisphere and calculates pitch and roll information therefrom. The summer...
5397900 Wheel-assembly monitor for diagnosing passing railroad trains  
A monitor to diagnose wheel assemblies of passing railroad trains, the monitor being characterized in that a cavity is present in and parallel to a measurement tie or in a hollow railroad tie, the...
5393978 Infrared detectors having front and rear fields of view  
A motion sensor having front and rear fields of view includes a housing containing an infrared sensor mounted on a surface which may be a circuit board containing associated electronics to form...
5389791 Device for enhancing field of view and reducing image smear in a missile seeker  
A conventional rate-stabilized IR seeker is fitted with an improvement that esults in a wider FOV as well as much-reduced image smear. The improvement comprises a circular optical wedge rotatably...
5389790 Technique for detecting and identifying certain objects  
There is disclosed herein a technique for detecting and/or identifying a particular object from which electromagnetic radiation is emitted or reflected at an intensity which fluctuates in...
5386210 Method and apparatus for detecting entry  
A sensing apparatus and method for use in an illumination control monitoring of a particular area. The sensing apparatus includes selectable and independent triggering and retriggering modes for...
5381009 Motion sensor assembly  
A motion sensor assembly has a housing with an opening therein, an infrared detector, a lens which may be of the Fresnel type, a holder, a circuit, and a transformerless direct current power...
5381139 Detector system for a roll-stabilized aircraft  
A detector system for a roll-stabilized aircraft includes a hollow rotatable toroidal ring within which a suitable sensor such as a TV sensor is fixed. The sensor observes the exterior of the...
5369269 Human body detection system  
In order to detect a position where a human body may exist with the aid of a single infrared detector, a human body detecting system comprises a condenser for the provision of a plurality of...
5345308 Object discriminator  
A device will detect man-made objects by using a polarizer mounted to a video camera. The polarizer rotates about an axis in front of a lens array of the video camera. The rotation of the...
5345304 Integrated LADAR/FLIR sensor  
A scene is observed with an object plane scanning FLIR (forward looking infrared) FLIR system with the detector array placed at one edge of the field of regard. A FLIR processor immediately...
5332902 Module detection unit including infrared detectors  
A detection unit comprises a support element and at least one module connectable to the support element, each module comprising a housing and an infrared detector fitted therein. When connected...
5323005 Method and apparatus for monitoring energy radiant from a dispensed heated material  
The monitoring of energy radiating from a heated material, such as a hot melt adhesive, dispensed onto a substrate may be accomplished by an infrared sensor. The wand of the infrared sensor is...
5315434 Infrared-transmissive lens and human body detecting sensor using the same  
An infrared-transmissive lens formed by using glass including germanium and selenium or germanium and sulfur as main components and a human body detecting device including the lens and a...
5315363 Night vision projected infrared cueing system  
Circuitry and method to enhance the infrared illumination of nearby obstas detected by lidar, radar and passive IR detectors on low flying high speed aircraft.
5313060 Multi-sensor doubled row direction sensitive counting and switching device  
A direction sensitive counting and switching device has an optical system which includes a convex lens and a passive infrared detector composed of sensor elements arranged in at least one double...
5311022 Tri-scan horizon sensor  
At geosynchronous and other high altitudes a dual cone scanner has been a convenient way of determining both pitch and roll utilizing a single horizon sensor positioned on an orbiting spacecraft...
5311024 Lens arrangement for intrusion detection device  
Fresnel lens elements in a lens grouping and mounted in a fixed relationship to a detector, to define a 360° field of view for use in a sensor for passive detection of infrared radiation. Lens...