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6740879 Method and apparatus for automated detection and indication of movement  
An apparatus (10) includes a display (14), and includes a focal plane array (12) which can detect infrared radiation from a scene. The focal plane array outputs successive images of the scene,...
6741341 Reentry vehicle interceptor with IR and variable FOV laser radar  
A dual mode seeker for intercepting a reentry vehicle or other target is disclosed. In one embodiment, the seeker is configured with an onboard 3D ladar system coordinated with an onboard IR...
6707486 Directional motion estimator  
An alarm system automatically monitors activity and directional motion in a predetermined area. When the system detects a particular movement in an area, an alarm is triggered which ultimately...
6695472 Device for measuring the temperatures of axles or bearings for locating hot-boxes or overheated brakes in rolling stock  
In a device for measuring the temperatures of axles and/or bearings to locate hot-boxes or overheated brakes in rolling stock, in which the infrared rays of the measuring points are directed onto...
6677571 Rocket launch detection process  
A technique is disclosed for identifying a missile in flight. This process comprises the steps of: rapidly sampling radiometric detection signals of a source to collect power spectral density...
6674080 Handheld heat detection device  
An elongated heat detection device identifies heat sources based upon infrared radiation. The device includes a purged and sealed instrumentation chamber and a rugged and shock absorbing case. The...
6642846 Infrared intrusion detector and method  
An intrusion detector for detecting an intrusion into a protected space overlying a predetermined surface is provided. In one embodiment, the intrusion detector includes a housing to be mounted...
6606115 Method and apparatus for monitoring the thermal characteristics of an image  
A method and apparatus for automatically identifying and tracking the hottest spot in an infrared scene captured and displayed by an infrared camera system. In an Autospot Mode of the present...
6586741 Method and system for two-dimensional interferometric radiometry  
A method and system are disclosed for imaging a planetary surface region of interest (ROI). In a primary application, a plurality of space vehicles having antennas mounted thereupon are utilized...
6559448 Passive infrared detector  
The passive infrared detector contains a heat-sensitive sensor and a focusing device for focusing thermal rays incident on the detector from the room under surveillance onto the sensor. The...
6552345 Thermopile far infrared radiation detection apparatus for crime prevention  
A thermopile far infrared radiation detection apparatus for crime prevention that is capable of detecting with certainty an intruder who is entering a monitoring space regardless of temperature...
6529129 Security sensor having disturbance detecting capability  
A security sensor 1 having a disturbance detecting capability capable of detecting the presence of an obstacle purposefully applied to the sensor 1 in an attempt to fool or tamper the sensor 1...
6515582 Pyroelectric intrusion detection in motor vehicles  
Pyroelectric detector systems may be used in vehicles for security applications, such as intrusion detection and anti-theft alarms. The pyroelectric detectors are small in size, highly reliable...
6486778 Presence detector and its application  
The presence detector has a passive infrared sensor for detecting the presence of persons in a room, an image sensor operating in the visible spectral range and an electronic evaluator for the...
6479823 Apparatus and method for lens adjustment  
A vernier ratchet-type lens adjuster for use with a lens array allows for fine adjustment of the coverage pattern of a sensor. The lens array can have notches, or teeth, that interact with a...
6462663 Use of detector arrays to detect cessation of motion  
A sensor comprising an array of detectors for e.g. infrared radiation of the type for use in security or surveillance application has means for identifying the entry of an object into a first...
6410897 Method and apparatus for aircraft protection against missile threats  
A two-color infrared warning device, having both wide-angle and narrow-angle search capabilities, and a directional countermeasure device are mounted on a gimbal pointing in the same direction....
6384414 Method and apparatus for detecting the presence of an object  
A method and apparatus for detecting and classifying an object, including a human intruder. The apparatus includes one or more passive thermal radiation sensors that generate a plurality of...
6373058 Method of reducing infrared viewability of objects  
A method of camouflaging an object emitting infrared radiation by absorbing radiation or by altering its emissive pattern reduces its viewability by an infrared detector. An infrared radiation...
6373558 Passive ranging to a target reflecting solar radiation  
A passive ranging system measured spectra of solar radiation off an adjacent spot and a distal target. Reflected solar radiation and differential attenuation are used to estimate target range. A...
6359710 IR radiation-seeker missile jammer  
Means and method for jamming IR radiation-seeking threat missiles comprising means for generating wavetrains of randomized pulses of radiation of the same wavelengths at which the threat missiles...
6359681 Combined laser/FLIR optics system  
In a FLIR/laser based targeting and imaging system, the ability to recognize, detect, locate, and/or track targets in an area of interest is significantly improved by reducing the fixed and...
6348691 Motion detector with extra-wide angle mirrored optics  
A motion detector based on mirrored optics for use in decorative lighting fixtures. The motion detector includes a mirror assembly that may be disposed within decorative elements such as saucers...
6335526 Infrared sensor system technique  
An infrared sensor system technique for fusing sensor outputs for display to a user, including sensor outputs from an internetted system.
6326622 PIR device  
An outdoor light using a motion sensor that activates the light when motion is sensed by changes in the infrared signal detected. The device uses a passive infrared detector network to sense...
6323941 Sensor assembly for imaging passive infrared and active LADAR and method for same  
A sensor assembly for imaging passive infrared (IR) scenes and active laser radar (LADAR) scenes and for generating multi-dimension image data sets, and a method for same. A two-dimensional...
6297504 Method and apparatus for the imaging of gases  
A method for imaging a quantity of gas present in the atmosphere of a selected area. The method comprises the steps of directing background infra-red radiation from the selected area into an...
6275283 Passive ranging to source of known spectral emission to cue active radar system  
A passive ranging optical system is coupled to an active radar system. The passive ranging optical system provides range and rate information to the active radar system. After receiving the range...
6265972 Pet resistant pir detector  
A passive infrared sensor uses a modified lens or mirror to vertically elongate the detection zones in regions close to the sensor. This vertical elongation reduces the signal produced by a small...
6262800 Dual mode semi-active laser/laser radar seeker  
The invention provides a method and apparatus for guiding a weapon to a target using an optical seeker having dual semi-active laser (SAL) and laser radar (LADAR) modes of operation. The dual mode...
6262661 Passive infrared detector  
The infrared detector contains an entrance window for infrared radiation, an infrared sensor with an evaluation circuit and an anti-masking device having an optical transmitter and an optical...
6246321 Movement detector  
A device having an image-providing sensor, hereinafter designated as "image sensor," operating in the visible and near-infrared range, an thermal image-providing sensor, hereinafter designated as...
6239437 Passive infrared detector  
A passive infrared detection system which has a wide angular field of view and a flat or nearly flat front surface. Input optical elements direct and/or focus incident peripheral infrared...
6236046 Infrared sensor  
An infrared sensor is formed with a first infrared detecting element for infrared detection disposed in a container through a supporting substrate, and a second infrared detecting element for...
6215398 Occupancy sensors for long-range sensing within a narrow field of view  
Occupancy sensors are presented that include a flat lens for focusing detecting beams into narrower, longer range beams than those of conventional curved lenses. A sensing circuit generates a...
6211787 Condition detecting system and method  
Condition detecting system has a detecting device (1) including a plurality of pieces of distance sensors arranged at one corner of an observing sector such as a toilet, a judging device for...
6198099 Bolometer including a reflective layer  
A infra-red bolometer includes an active matrix level, a support level, a pair of posts and an absorption level. The active matrix level includes a substrate having a pair of connecting terminals....
6194723 Method and system for protecting optoelectronic search and tracking equipment from an illumination  
A method of protection and a protective system for protection of an optoelectronic equipment consists in exploiting in a processing unit the data from said equipment and from a laser warning...
6184529 Methods and apparatus for performing scene based uniformity correction in imaging systems  
Methods and apparatus for generating uniform reference sources for use in calibrating multiple-detector imaging devices. In exemplary embodiments, a plano-plano reference lens is inserted at a...
6180945 Dual spiral photoconductive detector  
A photoconductive detector (3) comprises a single continuous photoconductive strip consisting of two interleaved photoconductive spiral paths (1, 2) separated by much thinner gaps (5, 6). The two...
6175309 270 degree motion sensor  
The present invention concerns a motion sensor for use with a light. The device includes a housing having an outer edge and an interior space in which a plurality of sensors are located. The...
6168311 System and method for optically determining the temperature of a test object  
A system and method are disclosed for optically measuring the temperature of a packaged integrated circuit (IC). A light beam is focused inside the IC package onto a region of the integrated...
6150659 Digital multi-frequency infrared flame detector  
A flame detector consisting of a first infrared radiation detector for detecting radiation from combustion of hydrocarbon and other carbon containing compounds in conjunction with a second...
6150660 Staring horizon sensor  
A staring horizon sensor is mounted on an orbiting satellite has one or more linear infrared detector arrays having the horizon being detected imaged thereon. The arrays are each connected in...
6128086 Scanning arrangement and method  
A scanning arrangement comprising means (40) for projecting a two-dimensional optical pattern on a surface (35) of a scanned object and a two-dimensional photodetector (34') is mounted within a...
6123288 Apparatus and method for flickerless projection of infrared scenes  
A non-volatile electron beam-addressed light-valve produces a flickerless, all-at-once visible light output which is then converted into a flickerless projected infrared scene suitable for testing...
6121606 Multi detector close packed array rosette scan seeker  
A rosette or co-rotating vector scanning seeker detector array providing improved data rate and scanned field coverage. Several discrete detector elements are formed in an array on the detector...
6100527 Fast response radiation detector  
A thermally differentiable pattern such as hot melt adhesive is monitored in a production line system. An electrical output from a thermopile radiation sensor is applied to a detection circuit...
6087938 Outdoor intrusion detector  
An intrusion detection assembly including an intrusion detector including an inner housing, a detector disposed within the inner housing and a lens for focusing light from outside the inner...
6082894 Temperature and passive infrared sensor module  
A temperature and passive infrared sensor module in which a temperature sensor is mounted so as to not be adversely affected by heat generating electrical components of the sensor module. One...