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RE40927 |
Optical detection system
The present invention pertains to radiant energy systems and more particularly to systems exhibiting the retroreflection principle wherein the system comprises a focusing means and a surface...
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7573033 |
Automatically optimized cyclic integration
Systems, methods, and other embodiments associated with automatically optimizing cyclic integration are described. One method embodiment includes repetitively acquiring a thermal intensity data...
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7560696 |
Adjustable sensor
A sensor mounting mechanism that includes a base member adapted to be mounted to a structure and a base neck having a first end and a second end where the first end is adapted to be coupled to a...
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7554676 |
Positional measurement system and lens for positional measurement
A positional measurement system includes an electromagnetic wave source which emits an electromagnetic wave, a lens system which has a first lens surface, an electromagnetic wave shield section...
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7542087 |
Orientation sensor and associated methods
An orientation sensor for use with an image sensor is provided, which includes at least two polarizers with different orientations and associated photodetectors and a signal processing unit. The...
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7511276 |
Heat source sensor for a marine vessel
Two sensor units are mounted on opposite sides of a transom of a boat and directed to a common location behind the boat. The field of view of the two sensors overlaps behind the marine propulsion...
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RE40650 |
Infrared motion detection signal sampler
The digital sampler circuit processes an output signal from a high gain analog amplifier having as input an infrared motion detector output signal and a negative low pass filtered feedback signal....
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7488941 |
Decorative lighting fixture with hidden motion detector
A motion-activated decorative lighting fixture with a PIR motion detector hidden behind a decorative slotted wall of the fixture body. The motion-activated decorative lighting fixture includes a...
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7484857 |
Light modulating mirror device and array
A deformable reflector includes a plurality of MEMS devices, each having an electrode membrane having a reflective surface thereon, a flat surface, and a pulldown electrode formed in the flat...
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7476862 |
Method for detecting a source of heat near a marine vessel
Two sensor units are mounted on opposite sides of a transom of a boat and directed to a common location behind the boat. The field of view of the two sensors overlaps behind the marine propulsion...
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7453613 |
Scanning type image forming apparatus having the same containing scanning mirror in a space sealed by first and second optical members and the housing, the second optical member includes five surfaces
The object of the present invention is to provide an optical scanning apparatus which is not limited in the disposition of a scanning device, can reduce the adherence of dust to each member of the...
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7439512 |
Method and apparatus for detecting unsafe conditions
A device can be made operable to distinguish between materials impinging on a predefined area based at least in part on differentials within sets of data indicative of measurable characteristics of...
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7438438 |
Decorative lighting fixture with adjustable range motion detector
A motion-activated decorative lighting fixture with a PIR motion detector having an adjustable field of view hidden behind a decorative slotted wall of the fixture body. The lighting fixture...
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7432505 |
Infrared-based method and apparatus for online detection of cracks in steam turbine components
An online method, system, and computer-readable code for remotely monitoring radiant energy emitted from a turbine blade ( 106 ), which may be undergoing an incipient degradation, such as a crack,...
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7411196 |
Multi-sensors and differential absorption LIDAR data fusion
A method of acquiring data uses multiple sensors in an aircraft. The method includes the steps of: (a) turning ON a DIAL sensor to detect a target of interest during a first flight pass over a...
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7399969 |
PIR motion sensor
A passive infrared sensor uses two detectors having elements of different configurations such that each element outputs a respective frequency when an object moves in front of it. Based on the...
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7362224 |
Thermally sensitive array device for presence detection around automatic doors
The present invention relates to a thermally sensitive array device for detecting a presence of a target object in a surveillance area. The device comprises a plurality of at least two thermally...
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7351975 |
Sensor system for identifying and tracking movements of multiple sources
A system identifies a human being from the movement of the human being. The system includes a dual element pyroeleetric detector, a Fresnel lens array, and a processor. The dual element...
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7335886 |
Recessed ceiling mounted passive infrared detector
A ceiling-mounted passive infrared detector assembly ( 30 ) that has three main components: a junction box ( 10 ) which is adapted to be mounted within an opening in a ceiling; a cover ( 44 )...
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7319228 |
Passive infra-red detectors
A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view,...
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7312429 |
Method and apparatus of using optical distortion in a directed countermeasure system to provide a variable field of view
A single, hard-mounted set of optics is utilized to replace a two field-of-view system for directed countermeasures. It includes within one continuous but distorted field of view the capability to...
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7297953 |
Infrared detecting apparatus
An infrared detecting apparatus includes at least one infrared-sensitive element. Focusing means focuses infrared energy from a first zone onto the at least one infrared-sensitive element. An...
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7211798 |
Occupancy wall sensor
A sensor mounting mechanism that includes a base member adapted to be mounted to a structure and a base neck having a first end and a second end where the first end is adapted to be coupled to a...
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7196330 |
Passive infrared sensor
According to one embodiment, a passive infrared sensor includes an infrared sensing element 4 , a pair of lenses 5 R and 5 L that set mutually substantially 180° opposing side detection areas...
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7183912 |
PIR motion sensor utilizing sum and difference sensor signals
A passive infrared sensor has two detector elements, each of which has a positive part and a negative part, with each detector element generating respective first and second signals. The signals...
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7176463 |
Method and apparatus for large signal detection in passive infrared sensor applications
Apparatus for passive infrared sensing of an intruder that discriminates between signals corresponding to a human target and much larger signals may include first and second IR sensors, at least a...
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7161152 |
Method and apparatus for reducing false alarms due to white light in a motion detection system
A motion detection system includes a first sensor sensitive to infrared light in at least one detection zone and generating a first output signal representative of the detected level of infrared...
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7157714 |
Thermal imaging method to detect subsurface objects
A thermal imaging method to detect heat flows from naturally-heated subsurface objects. The method uniquely combines precise, emissivity-corrected temperature maps, thermal inertia maps,...
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7139411 |
Pedestrian detection and tracking with night vision
A system and method for detecting and tracking humans, such as pedestrians, in low visibility conditions or otherwise. A night vision camera periodically captures a an infrared image of a road from...
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7122801 |
System and method for generating chaotic sound for sonic infrared imaging of defects in materials
A defect detection system for thermally imaging a structure that has been energized by sound energy. The system includes a transducer that couples a sound signal into the structure, where the sound...
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7115871 |
Field coverage configurable passive infrared radiation intrusion detection device
One embodiment of a field coverage configurable passive infrared radiation intrusion detection device comprises a plurality of passive infrared radiation sensors. The device also has an optical...
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7075431 |
Logical pet immune intrusion detection apparatus and method
A system and method of discerning human intrusion from animal presence without compromising sensitivity to human intruders exhibiting low intensity infrared signatures. At least four infrared...
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RE39081 |
Localized automatic fire extinguishing apparatus
An automated fire extinguishing apparatus includes a turret with a nozzle connected to a water supply. A plurality of sensors are used to detect a fire monitored by the apparatus. The signals from...
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7026609 |
Method and apparatus for time-phased constant IR energy delta source
The present invention comprises apparatus for calibrating a railway infrared hot box or hot wheel detector by delivering a desired radiant energy delta to the hot box detector. The apparatus...
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6987267 |
Lens blind feature for motion detector
A light fixture has motion detection circuitry enclosed within a motion detector housing. The motion detector housing contains at least one thermal detector such as a passive infrared sensor, the...
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6943687 |
PIR motion detector for a decorative lantern
A small-sized hidden motion detector that can be incorporated in a decorative manner into a decorative lantern. The motion detector can be incorporated into lighting fixture designs not previously...
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6927394 |
Fire detector with electronic frequency analysis
A process and system for flame detection includes a microprocessor-controlled detector with a first sensor for sensing temporal energy in a first optical frequency range, and a second sensor for...
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6872948 |
PIR motion detector circuitry with enhanced false-activation protection
Outdoor passive infra-red motion detector circuitry with circuit improvements that greatly reduce incidents of false activation. The motion detector includes one or more infra-red sensors and...
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6872945 |
Apparatus and method for detection of railroad wheel and bearing temperature
An apparatus and method is provided for detecting a temperature range or a temperature of a railroad train wheel or bearing wherein infrared radiation radiating from the wheel or bearing of a train...
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6844555 |
Covering and mounting structure for a motion detector having light emitting diodes and electronic adjustment controls
A covering and mounting structure for mounting a motion detector having electronic adjustment controls, light emitting diodes (LEDs), and at least one motion detector lens, provides for selectively...
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6844538 |
Radiation detection apparatus
A radiation detection apparatus is capable of detecting and locating events, such as a fire or the appearance of an intruder, in a scene under surveillance. The apparatus comprises an array of...
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6836320 |
Method and apparatus for active boresight correction
In a dual mode target designation system involving the use of a passive IR detector for developing rough target locations and a ladar or laser range finder for refining target position, a closed...
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6794830 |
System for individual and remote control of spaced lighting fixtures
A plurality of spaced ceiling mounted fixtures or other controllable electrical appliances have radiation detectors mounted within each fixture and wired internally of the fixture to a dimming...
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6791087 |
Differential infrared detector
A differential infrared detector has: a detection element which detects infrared radiation in a predetermined detection area, converts a radiation energy thereof into an electric signal, and...
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6781129 |
Dual eye motion detector assembly
A dual eye motion detector assembly comprising a main infrared sensor head and a secondary infrared sensor head mounted on a mounting box. The main motion sensor head is pivotally mounted to the...
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6774791 |
Method and apparatus for detecting moving objects, particularly intrusions
A method and apparatus for detecting movement of an infrared-radiating object within a monitored space is provided. The method of includes exposing the monitored space to a passive infrared sensor...
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6774369 |
Detection device
A detection device for detecting persons or objects and the direction of movement thereof comprising a radiation sensor arrangement for detecting electromagnetic radiation of the wavelength of...
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6774366 |
Image integration and multiple laser source projection
An apparatus and method for enhancing an image relayed by a central beam of collimated light centered on the optical axis of a lens with an aperture area of A and focused on the focal plane of the...
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6765663 |
Efficient multiple emitter boresight reference source
An efficient multi-emitter boresight reference source ( 12 ). The efficient reference source ( 12 ) includes a first mechanism ( 182 ) for transmitting a first portion of electromagnetic energy (...
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6762676 |
Vehicle compartment occupancy detection system
A system is provided for detecting the presence of a human in a compartment of a vehicle that comprises a pyroelectric sensor and a control coupled to the pyroelectric sensor. The pyroelectric...
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