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Class 340/567 - Electromagnetic energy


Subclass of Class 340 - Communications: electrical
Definition: Subject matter responsive to electromagnetic energy.
No. of patents: 413
Last issue date: 11/01/2011


1                      
NumberTitleIssue Date
8049620Passive microwave fire and intrusion detection system including black body and spectral emission at the hydrogen, hydroxyl and hydrogen chloride lines
A passive microwave receiver array, operating in the one meter to sub-millimeter wavelengths range and including an internationally protected range of frequencies of varying bandwidth, may be used for fire and intrusion detection. One or more receiver arrays can be ...
11/01/2011
8044798Passive microwave speed and intrusion detection system
A passive microwave receiver, receiving a WARC protected frequency of 1420 MHz may be used for fire, temperature speed detection and intrusion detection. One or more receiver arrays can be used to provide a plurality of frequency ranges that can be detected. In an i...
10/25/2011
7924155Digital occupancy sensor light control
A method of sensing motion in a predetermined area is provided. The method may include using a digital output motion sensor to produce a digital output signal indicative of the presence of motion in the predetermined area. The method may further include transmitting...
04/12/2011
7884717Passive microwave fire and intrusion detection system
A passive microwave receiver array, operating in the one meter to sub-millimeter wavelengths range and including an internationally protected range of frequencies of varying bandwidth, may be used for fire and intrusion detection. One or more receiver array can be u...
02/08/2011
7791477Method and apparatus for analyzing video data of a security system based on infrared data
A security system comprises a surveillance unit comprising a visible light camera detecting video data from within a first field of view (FOV) and an infrared (IR) imager detecting IR data within the first FOV. An IR detection module determines whether at least a po...
09/07/2010
7724134Passive microwave fire and intrusion detection system
A passive microwave receiver array, operating in the one meter to sub-millimeter wavelengths range and including an internationally protected range of frequencies of varying bandwidth, may be used for fire and intrusion detection. One or more receiver array can be u...
05/25/2010
7714719Field disturbance sensor utilizing leaky or radiating coaxial cable for a conformable antenna pattern
A system, device, and method for monitoring an uncontrolled area around a mobile object uses a distributed antenna, which can be a leaky coaxial cable, enclosing its perimeter. A field disturbance sensor, such as a microwave sensor, detects an intruder entering a pr...
05/11/2010
7679509System and method for improving infrared detector performance in dual detector system
Embodiments of the present invention is directed to a method and system for use of ranging MW to reduce dual (MW/PIR) intrusion detector false alarms. A Doppler microwave system may be provided that is capable of detecting an object range and adjusting the sensitivi...
03/16/2010
7619518Intrusion detection methods and apparatus that use a building's infrastructure as part of a sensor
Intrusion detection methods and apparatus exploit the infrastructure of the building itself. The preferred embodiments use the existing power line infrastructure to provide power, data, and sensor observables to a monitoring system which is simply connected at one p...
11/17/2009
7375630Dual technology sensor device with range gated sensitivity
A method and device for detecting an intruder in a region with increased performance and decreased false alarms. The security device has a microwave sensor and a PIR sensor operatively coupled to a processor. To increase the performance of the security device the de...
05/20/2008
7375313Aimable motion-activated lighting fixture with angulated field
A motion-activated light fixture having an aimable motion detector with a zonal configuration providing improved monitoring of the region behind the motion detector. In one embodiment the motion detector defines a first plurality of generally forward-looking detecti...
05/20/2008
7358836Shield, and printed circuit board and electrical apparatus employing the same
A shield is provided for a circuit breaker including a printed circuit board (PCB). The PCB is a generally planar member with a plurality of electrical components each having a corresponding shape. The shield includes at least one resilient sheet member at least par...
04/15/2008
7355626Location of events in a three dimensional space under surveillance
A surveillance system using an array of detectors onto which energy from the scene under surveillance is focused can indicate the direction of an event that has been recognized. The invention uses two or more arrays to locate events in three dimensions, and to defin...
04/08/2008
7355506Systems and methods for deterring theft of electronic devices
Systems and methods for remotely shutting down or preventing operation of device via a wireless network infrastructure are provided. The device may be disabled using a defined command the device receives on a wide area network, such as a SPOT network or wireless car...
04/08/2008
7348561Sensing device for sensing a physical parameter
The sensing device for sensing a physical parameter such as radiation, temperature or the like, comprises an analogue sensor element sensitive for the physical parameter to be sensed and outputting an analogue signal and an analogue two-digital converter (ADC) havin...
03/25/2008
7330115Electronic device control system
An electronic device control system includes a base unit that includes a housing. A power input and a power output are each mounted in the housing and are electrically coupled to each other. The power input comprises a male plug and the power output comprising a fem...
02/12/2008
7327253Intruder detection and warning system
An intruder detection and warning system has a plurality of infrared sensors for receiving infrared radiation from respective contiguous areas of premises in need of security. A central illumination unit including a rotatable light is operated to project a beam illu...
02/05/2008
7318298Illuminated security gate unit
A gate assembly comprising a gate mount and a gate mounted for movement on the gate mount between an opened position and a closed position. The gate assembly further comprises an illumination system mounted on the gate mount for turning on a light mounted on the gat...
01/15/2008
7319228Passive 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, each sub field-of-view being exclusively defined by an optical elemen...
01/15/2008
7313695Systems and methods for dynamic threat assessment
The threat probability of events generated by a security device on a computer network is assessed by comparing the threat probability to a global threat probability. An abstract data type is used to describe how the events are combined to form a threat. If an event ...
12/25/2007
7295107Ferromagnetic detection pillar
A ferromagnetic detection pillar having one or more applied magnetic field sources and one or more magnetic field sensors, with the magnets and sensors arranged and adapted to detect a ferromagnetic threat object on one side of the pillar. A detection device, such a...
11/13/2007
7284880Security device with rotating floodlights
A security device with rotating floodlights comprises a housing having a control circuit and a motor positioned within the housing. A motion detector is mounted on the front wall of the housing. A shaft from the motor engages with a drive platform, and a pair of lam...
10/23/2007
7275604Multi-zone firewall detection system
A sprinkler system includes a control panel including a processor, a power supply source, and a memory including software instructions for automatically toggling the system between operating and non-operating modes. The control panel includes controls mated to the p...
10/02/2007
7277012Broad field motion detector
A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr...
10/02/2007
7271543Method for providing bi-level illumination in a stair well
A bi-level illumination system for power conservation correlated to the needs of a building stairwell, which even during work hours is only nominal functioning as it does as a back-up to elevator-provided access to work areas, and requiring high level illumination d...
09/18/2007
7268682Room monitoring and lighting system
A system for improving the safety of a room occupied by a patient includes a sensor for monitoring when the patient is out of bed. The sensor sends a signal that gives an alert to a care giver that the patient is out of bed. Lights in the room are slowly illuminated...
09/11/2007
7265670Surveillance detector
A surveillance detector comprising a light emitter and a light guide which is optically connected to the light emitter, which light guide includes reflectors mounted therein, a special feature being the fact that the light guide is capable of converting the light fr...
09/04/2007
7262697Dual sensing intrusion detection method and system with state-level fusion
A system and method for intrusion detection includes a first sensor for detecting an intrusion within an area and for outputting a first signal, a second sensor for detecting an intrusion within the area, the second sensor outputting a second signal, and a processor...
08/28/2007
7259671Proximity aware personal alert system
Disclosed is a proximity aware personal alert system including a first mobile transceiver unit and a second mobile transceiver unit in communication with the first mobile transceiver unit via an RF link where the second mobile transceiver provides an alarm indicatio...
08/21/2007
7259658Passive infrared sensor and obstacle detection system used in the same
According to one embodiment of a passive infrared sensor, a passive infrared sensor 1 where an infrared sensing element 5 and an optical system 4 that sets a detection area A1 of the infrared sensing element 5 are covered with a co...
08/21/2007
7256693Detector device
The present invention relates to a detector device and, more particularly, to a detector device comprising a self-diagnosis means for monitoring the correct performance or otherwise of the device. During testing, the device, which normally operates using the Doppler...
08/14/2007
7256694Automatic lid opening and closing system for a waste container
A lid opening and closing system for a waste container having an opening and a lid for covering the opening, the system including a proximity sensor, which may be a capacitive proximity sensor, for sensing the presence of a user's hand or body near the waste contain...
08/14/2007
7256376Microwave sensor and mutual interference preventing system between microwave sensors
A microwave sensor is provided that transmits microwaves toward a detection area, performs an object detecting operation based on reflected waves from an object being present in the detection area, and outputs an object detection signal based on a result of the abje...
08/14/2007
7253541Power hand tool having a proximity detector
The present invention provides a power tool with a hand proximity detector to detect the hand of an operator and a trigger circuit operable with the detector to control the operation of a light in the housing or to provide a safety lockout function. ...
08/07/2007
7248157Wireless phone-interface device
In one aspect, a phone-interface device determines whether a problem has occurred at a control panel by determining whether a signal from the control panel has been received, and when a signal has not been received within a period of time, the phone-interface device...
07/24/2007
7248162Temporary mute of alarm in wireless alert system
A security system of the type wherein the occurrence of a monitored event, such as presence or motion of an individual at a first location, triggers an alarm at a second location. The invention provides a means of disabling the alarm during times when the device is ...
07/24/2007
7242305Device and method for monitoring movement within a home
A device and method for monitoring whether a resident is away from home or inactive within the home. A sensor, which includes a transmitter, a processor, a timer, and a detector, watches for motion to occur within a home. Upon sensing motion, the sensor sends a firs...
07/10/2007
7234841Adjustable support for an electrical assembly
An electrical assembly includes an electrical device such as a lighting device, and a support member and a control device such as a motion detector for actuating the electrical device and coupled to the support member. In one embodiment, the control device is connec...
06/26/2007
7236097Hand washing alert system
A hand washing alert system includes a housing that is mounted on a wall above a doorway. A motion detector is mounted on the housing and is adapted for detecting motion through the doorway. A processor is mounted in the housing and is electrically coupled to the mo...
06/26/2007
7233243Method of defense-in-depth ultrasound intrusion detection
Method of ingress or egress intrusion detection by ultrasound surveillance throughout volumetric multi-area room around a protected object, where the surveyed room is arranged in juxtaposed volumetric closed or open areas that represent central, short-range and long...
06/19/2007
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