Class / Patent application number | Description | Number of patent applications / Date published |
250342000 | Locating infrared emissive objects | 22 |
20080258065 | Electromagnetic Energy Propagation Direction Sensor and Method of Using Same - A sensor for detecting a propagation direction of electromagnetic energy includes a plurality of receptors oriented in different directions for absorbing at least a portion of the electromagnetic energy, each of the plurality of receptors comprising a plurality of carbon nanotubes or nanofibers. The sensor further includes a processor electrically coupled with the plurality of receptors for determining the propagation direction of the electromagnetic energy based upon the electromagnetic energy absorbed by the plurality of receptors. A method for determining a propagation direction of electromagnetic energy includes the steps of providing a plurality of receptors oriented in different directions for absorbing at least a portion of the electromagnetic energy, each of the plurality of receptors comprising a plurality of carbon nanotubes or nanofibers, and determining the propagation direction of the electromagnetic energy with respect to the plurality of receptors based upon the amount of absorbed electromagnetic energy. | 10-23-2008 |
20090230307 | Device to detect heat source, home appliance having the same and method of detecting heat source - A device to detect a heat source, which can detect position of a heat source faster and more efficiently using a sensor capable of detecting a heat source, a home appliance having such a detecting device and a method of detecting a heat source are disclosed. The heat source detecting method includes performing a first mode to scan an overall area to be searched, performing a second mode to scan at least one specific region included in the area to be searched, and detecting a heat source in the area to be searched by selectively controlling a sensor the first mode and the second mode. Accordingly, a period of renewing position information of a heat source is shortened, and unnecessary detecting operation is eliminated. As a result, the heat source detecting device can more efficiently detect a heat source, using a sensor having limited performance. | 09-17-2009 |
20090289189 | 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 the materials impinging on the defined area. Such a device can trigger a protection mechanism based at least in part on identification of such differentials. | 11-26-2009 |
20100155604 | SYSTEM AND METHOD FOR DISTINGUISHING AND DETECTING MULTIPLE INFRARED SIGNAL COORDINATES - Disclosed are a method and system for tracking multiple infrared signal coordinates. The method for tracking multiple infrared signal coordinates includes: sequentially operating a plurality of infrared generators; photographing the infrared generators; calculating frequency photographed by each infrared generators; and when the calculated frequency at the time of calculating does not meet the reference value, delaying, by a delay time, the flickering of the infrared generator where the frequency does not meet the reference value. | 06-24-2010 |
20100294938 | Sensing Assembly for Mobile Device - An infrared sensing assembly for allowing detection of a location of an external object, as well as a mobile device employing such an assembly and related methods of operation, among other things, are disclosed. In one exemplary embodiment, the sensing assembly includes a pyramid-type housing structure having a central surface and multiple outer surfaces each of which extends in an inclined manner away from the central surface. The sensing assembly further includes multiple phototransmitters each positioned proximate to a respective one of the outer surfaces, and a photoreceiver positioned proximate to the central surface, with each respective photoelectric device being oriented so as to correspond to its respective surface. The sensing assembly is operated so that light is emitted from the phototransmitters, reflected by the object, and received by the photoreceiver. By processing signals from the photoreceiver that are indicative of the received light, the external object's location is determined. | 11-25-2010 |
20120318985 | Compact Lighting System - An integral battery, light and light switch assembly can be removably fitted within a light-transmitting pocket on an article of clothing, such as a glove. Alternatively, the assembly can be mounted to virtually any surface with an adhesive or hook and loop fastener. In one application, the assembly can be attached to fishing tackle to attract fish. The assembly is particularly useful for nighttime use by those in the vicinity of traffic, including police, fire and ambulance workers as well as runners and cyclists. The assembly can also be used to mark a trail or identify a location in the dark. Infrared lighting can be used for tactical operations. | 12-20-2012 |
20130009062 | FLAME DETECTORS AND METHODS OF DETECTING FLAMES - Flame detectors and methods of detecting flames are described herein. One device includes an optical element configured to process mid wave infra-red light and long wave infra-red light emitted from an area, and a bolometer configured to detect a flame in the area based on the mid wave infra-red light and long wave infra-red light processed by the optical element. | 01-10-2013 |
20130214166 | Passive Infrared Range Finding Proximity Detector - Apparatus and methods for a passive range finding proximity detector include a sensor element configured to detect infrared radiation emitted by objects within a detection area. The sensor is configured to detect the temperature, relative size, relative distance, speed or direction of movement of an object from the sensor. The sensor is configured to set parameters for a controlled object based upon the detected size, temperature and/or proximity, speed or direction of an object in relation to one or more size thresholds, temperature thresholds, and/or proximity, speed or direction thresholds. | 08-22-2013 |
20130228692 | FLAME DETECTOR WITH OPTICS ARRAY - A system includes a micro-optic array of pixel elements positioned to receive radiation from a flame. A mid-wave infrared (MWIR) detector is positioned to receive mid-wave infrared radiation from the micro-optic array. A filter is provided to pass mid-wave infrared radiation to the MWIR detector. A controller is provided to sequentially select different sets of pixel elements of the micro-optic array to provide mid-wave infrared radiation to the MWIR detector representative of the flame. | 09-05-2013 |
20140061478 | Method and Device for Tracking a Moving Target Object - A method for tracking a moving target object, in particular a vehicle. The method involves identification the target object, marking the target object with a marking invisible in the visible spectrum but retro-reflective in a selected wavelength range of the invisible spectrum of light, tracking the marked moving target object with an image capture device provided on a moving platform, which image capture device is sensitive in the selected wavelength range of the invisible spectrum. | 03-06-2014 |
20140084166 | FLAME SENSOR INTEGRITY MONITORING - A flame detector includes a medium wavelength infrared bolometer having an array of pixel elements disposed within a housing. Optics supported by the housing and disposed with respect to the bolometer direct infrared radiation from a flame to the pixel elements of the array and direct radiation from a separate background object to the pixel elements of the array. Electronics are coupled to receive signals from the bolometer and programmed to track an intensity of radiation from the background object to monitor transmission of radiation through the optics. | 03-27-2014 |
20140138545 | DETECTING A POSITION OR MOVEMENT OF AN OBJECT - The present invention relates to a method for detecting a position or movement of an object ( | 05-22-2014 |
20140264035 | INFRARED PRESENCE DETECTOR FOR DETECTING A PRESENCE OF AN OBJECT IN A SURVEILLANCE AREA - The present invention relates to a detection device and a method for detecting a presence of an object in a surveillance area. The device comprises at least one infrared radiation sensing element each adapted for generating a sensor signal related to a quantity of infrared radiation received from within the surveillance area by the infrared radiation sensing element, a processing unit and an output means for outputting a determined presence of the object and/or a property derived therefrom. The processing unit is adapted for: obtaining the at least one sensor signal; generating at least one contrast value by comparing the at least one sensor signal to at least one reference value; determining the presence of the object by evaluating a condition on said at least one contrast value; and adjusting the at least one reference value such that negative feedback is applied to the at least one contrast value. | 09-18-2014 |
20140326887 | Passive Infrared System for Detecting Object Range, Size, and Direction Finding Proximity Detector - A system for proximity detection includes a first sensor and a second sensor each including a sensor housing and a pixel array each configured to detect infrared radiation emitted in a predetermined temperature range, and generate a detection signal. A processor in communication with the first and second sensor is configured to receive detection signals to derive parameters of the detected object including object distance from the sensors, size, position relative to the sensors, object speed, and direction of motion. | 11-06-2014 |
20140326888 | Passive Infrared Range, Size, and Direction Finding Proximity Detector - Apparatus and methods for proximity detection include a passive proximity detecting device for detecting humans within a detection area and controlling a controlled device. A sensor includes a plurality of pixels arranged in a substantially contiguous array. Each pixel is configured to detect infrared radiation emitted by an object in a predetermined temperature range within the detection area. In response to detecting the object a detection signal is generated having a signal level proportional to the infrared radiation emitted by said object received by the sensor. A processor in communication with the sensor is configured to receive said detection signal, to derive an object distance and a second object parameter using, a signal level of the detection signal. | 11-06-2014 |
20150136990 | VISUAL DISPLAY WITH ILLUMINATORS FOR GAZE TRACKING - A visual display includes hidden reference illuminators adapted to emit invisible light for generating corneo-scleral reflections on an eye watching a screen surface of the display. The tracking of such reflections and the pupil center provides input to gaze tracking. A method for equipping and an LCD with a reference illuminator are also provided. Also provides are a system and method for determining a gaze point of an eye watching a visual display that includes reference illuminators. The determination of the gaze point may be based on an ellipsoidal cornea model. | 05-21-2015 |
20150338277 | Motion and Gesture Recognition by a Passive Thermal Sensor System - Systems and methods for recognizing motion made by a moving person are presented. The system includes a thermal sensor configured to generate a low frequency or direct current signal upon receiving thermal energy. A spatially modulating optic is disposed between the thermal sensor and the warm object. The optic is configured to modulate the thermal energy received by the thermal sensor as a function of an orientation of the moving person with respect to the thermal sensor. An electronics unit in communication with the thermal sensor includes a memory and a processor. The processor is configured by the memory to detect a change in the thermal sensor signal and recognize a characteristic of the thermal sensor signal. | 11-26-2015 |
20160116343 | ADAPTIVE THRESHOLD MANIPULATION FOR MOVEMENT DETECTING SENSORS - A method for adaptively adjusting a threshold used to detect the presence of a living being may include receiving a first set of sensor measurements acquired by a passive infrared (PIR) sensor during a time period when the living being is not expected to be present in a space monitored by the PIR sensor. Here, the sensor measurements may depend on one or more noise sensitivity characteristics of the PIR sensor. The method may include adjusting a threshold that may indicate a presence of the living being based on the first set of sensor measurements. The method may then receive a second set of sensor measurements acquired by the PIR sensor and detect the presence of the living being when at least one of the second set of sensor measurements exceeds the threshold. | 04-28-2016 |
20160139248 | SYSTEMS AND METHODS FOR INTERACTION WITH THERMAL DETECTORS - A system for interacting with a thermal detector includes at least one unmanned aerial vehicle and a sensor mounted to the at least one unmanned aerial vehicle. The sensor is configured to determine the presence of a component of the thermal detector and to generate a signal indicative of the presence of the component. The system also includes a beam emitter mounted to the at least one unmanned vehicle and in communication with the sensor. The beam emitter includes a beam source configured to direct a beam of thermal radiation to the thermal detector in response to the signal from the sensor. | 05-19-2016 |
20160139415 | METHOD AND DEVICE FOR DETECTING THE POSITION OF THE FACE OF A PERSON, IN PARTICULAR OF A MOTOR VEHICLE DRIVER, AND DISPLAY INCLUDING SUCH A DEVICE - The invention relates to a device ( | 05-19-2016 |
20160202126 | LOCK-IN THERMOGRAPHY METHOD AND SYSTEM FOR HOT SPOT LOCALIZATION | 07-14-2016 |
20190146072 | SYSTEMS AND METHODS FOR INTERACTION WITH THERMAL DETECTORS | 05-16-2019 |