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7414530 Monitoring circuit for a door  
The present application describes a monitoring circuit for an aircraft. The monitoring circuit comprises an inductive system, wherein the inductive system comprises a multitude of air core...
7414400 Detection of ferromagnetic objects approaching a magnet  
An apparatus for detecting a potentially dangerous ferromagnetic object carried inadvertently by a person approaching the magnet of a magnetic resonance imaging system ( 14 ) uses the fringe field...
7408462 Control of monitored zone  
The invention relates to a method for the control of a monitored zone, in particular at transport devices for objects, wherein the monitored zone is scanned by means of at least one spatially...
7408461 Metal detection system and method  
This application describes a system for contraband and weapons detection. The system comprises a coplanar sensor array, electronic drive circuitry, a data acquisition circuit, a video frame...
7388370 Magnetic crash sensor  
At least one time-varying signal is applied to a plurality of coil elements in cooperative relationship with and spanning different portions of a vehicle. The coil elements generate an associated...
7382266 Surface tracker  
A surface tracker includes a tubular marker body having an interior electronic marker and a visual indicator attached to an upper end of the marker body which extends away from the marker body....
7324014 Inductive loop detector with automatic frequency change  
A system and method is disclosed to the elimination of cross talk between inductive loop detector units in a security system. The system includes appropriate devices for assigning different...
7319321 Magnetic screening system  
A magnetic screening system including an arrangement of gradiometers each including at least three magnetometers, a gradiometer processor in communication with the magnetometers that scales outputs...
7315248 Radio frequency identification tags for use on metal or other conductive objects  
A radio frequency identification (“RFID”) tags that are useful on metal or other conductive surface and to methods for manufacturing the same. In one embodiment, the radio frequency...
7298261 Proximity sensor  
An operation section 2 is provided to a proximity sensor including: a detection section having an oscillation circuit 10; and an amplification section 2 having a function detecting a metal...
7298260 Tesla coil security system  
A tesla coil security system for proactively and effectively deterring unauthorized individuals from entering an opening in a non-lethal manner. The tesla coil security system includes a tesla...
7296683 Ferrous metal detector with alarm  
An electronic ferrous metal detector with an alarm includes a non-ferrous core positioned circumferentially about an opening in an object, such as a hole in a garbage can lid. A pick-up coil having...
7295107 Ferromagnetic 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...
7289040 Device for detecting vehicles  
A magnetic field sensor is provided alongside a roadway in order to detect vehicles. A permanent magnet is installed in the roadway at such a distance from the magnetic field sensor that the...
7250853 Surveillance system  
A surveillance system is provided. The system includes at least one target detection sensor, a plurality of adjustable identification sensors and a system controller. The syste controller is...
7242297 Alarm sensor  
An alarm system sensor ( 10 ) monitoring movement of an object (D) and placing the system into alarm when the object moves more than a predetermined distance from a predetermined position. First...
7239240 Method and apparatus for implementing security protection over RFID  
Disclosed is one method and one apparatus which teach improved techniques in equipping an RFID with security measure. Conventionally an RFID is employed basically to replace the usage of an...
7227466 Expendable metal detector  
An expendable metal detector system for facilitating the detection of improved explosive devices (IED) where the metal detector is launched toward the suspected IED and using either magnetic field...
7218244 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems  
A system and method of interfacing a drilling machine with one of a number of different walk-over guidance systems involves receiving an ID signal from a particular walk-over guidance system...
7218234 Electronic bait station  
An electronic bait station utilising the disruption of an electromagnetic field to detect the movement of insects or small animals within the station. The bait station consists of a housing, with...
7218224 Human body detection sensor  
A human body detection sensor includes two oscillation circuits, a tuning circuit which connects equivalent points of the two oscillation circuits to each other, an antenna electrode which is...
7218223 Magnetic field sensing for tamper identification  
The present technology involves a method and apparatus for detecting and reporting magnetic fields in the proximity of a utility meter as an approach to determining tampering of such meter. The...
7193524 Systems and methods for a portable walk-through metal detector  
A portable walk through metal detector with interchangeable sensor panels and other structural members that can be quickly assembled, or disassembled and transported. The device includes two...
7164349 Approaching object detection apparatus  
A detection apparatus determines the type of an object approaching a vehicle. The detection apparatus is provided on a bumper of the vehicle, and comprises a coil as well as electrode lines to...
7154392 Wide-area intruder detection and tracking network  
A method is provided for at least one of detecting and tracking an object within a wide-area. The method including: deploying three or more sensors within the wide-area, each of the sensors having...
7151450 Door with a safety antenna  
A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a...
7145456 Efficient electronics for a walk-through metal detector  
A metal detection circuit that includes a power source and a connection to ground. At least one transmitter circuit is electrically coupled to the power source and ground and a transmit coil is...
7145328 Metal detector and its test procedure  
A test procedure and a metal detector having transmitting coils, receiving coils and an electronic processing circuit adapted to detect variations in the signals received by the receiving coils...
7144470 Process and device for producing electronic anti-theft elements  
This invention concerns a process and a device for producing strip elements for electronically securing articles and a corresponding produced strip element. The aim of the invention is to present a...
7142113 Method and apparatus to detect an external source  
A method and apparatus to detect an external source are described.
7132943 Moving belt sensor  
A detection system is provided which is configured to have a transmitter capable of interacting with an object by generating a field, and a multiplicity of receivers operative to measure changes in...
7126478 Method and device for the activation of large quantities of security elements for the electronic article protection  
A method and device for activation of large quantities of security elements for the electronic article protection. The security elements are exposed to at lease one magnetic field produced by one...
7123785 Optic fiber security fence system  
A security system is described that includes an optical fiber net woven from an optical fiber wire. A light generator introduces an incident light signal into the optical fiber wire. A light...
7119658 Device enrollment in a security system  
A method for enrolling devices in a security system based upon RFID techniques. The method prevents unauthorized devices from engaging in communications by and between the various devices in the...
7116222 Combination magnetic tag  
A combination magnetic tag ( 10 ) is described comprising an optical part ( 20 ) and a magnetic part ( 30 ), the optical part including a plurality of optical elements for conveying an optical code...
7113092 Ferromagnetic object detector  
An apparatus for detecting ferromagnetic objects in the vicinity of a magnetic resonance imaging scanner. The apparatus comprises primary sensor means adapted to measure a magnetic field, arranged...
7106194 Method for metal object identification using a three-dimensional steerable magnetic field antenna  
A method for identifying a buried metal object using a three-dimensional steerable magnetic field (3DSMF) system. The method comprises generating a magnetic field vector (MFV) at a first MFV...
7106192 Security checkpoint  
An improved security checkpoint separates certain individuals into a secure, enclosed wanding station for additional security screening. The wanding station may be constructed using glass (or other...
7102512 Mobile security unit  
A Mobile Security Unit (MSU) has a security checkpoint and a transport. The security checkpoint has an item screening area and a personal screening area. The checkpoint is configured as needed to...
7098789 Detector of non-authorized objects in a zone having protected access  
A device for detecting a prohibited object in a zone with protected access includes a supporting base designed to receive a single foot wearing a shoe of an individual to be inspected. The device...
7091856 Monitoring access via a passage  
A method and a system for monitoring access of a person from an exterior to an interior of a partition via a passage having an openable closed opening, using a detection device and supervision of...
7075440 Miniature magnetomechanical marker for electronic article surveillance system  
A miniature magnetic article surveillance system marker is adapted, when armed, to resonate at a frequency provided by an incident magnetic field applied within an interrogation zone. The marker...
7075439 Marker for remote detection of articles  
A marker for remote detection of articles has an elongated sensor element with magnetic and electric properties. The elongated sensor element provides an electromagnetic reply signal when receiving...
7053785 Security prescreening device  
An apparatus for prescreening an individual about to be subjected to a security screening including a magnetometer. The prescreening device comprises a base housing having a top panel, and a...
7053770 System and method for communicating alarm conditions in a mesh network  
Each of a plurality of satellite nodes coupled to a sensing device or an actuator and logically dispersed around an access node are configured to wirelessly communicate alarm conditions. A first...
7049946 Device for detecting the presence of objects in a blind angle of a motor vehicle  
A device for detecting the presence of objects in a vehicle's blind spot. The invention relates to a device for detecting the presence of objects in a vehicle's blind spot, where the objects...
7034716 Passive real-time vehicle classification system utilizing unattended ground sensors  
A system is provided for determining the type of vehicle which has never been sensed before that is transiting between a cluster of acoustic and seismic sensors by graphing an acoustic source level...
7034682 Door with a safety antenna  
A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a...
7030759 Steerable three-dimensional magnetic field sensor system for detection and classification of metal targets  
A steerable electromagnetic induction (EMI) sensor system for measuring the magnetic polarizability tensor of a metal target. Instead of creating a vertical magnetic field from a horizontal loop...
7030750 Detachable entrance and exit gate with a combined commodity burglarproofing and small arms detecting system  
A detachable entrance and exit gate with a combined commodity burglarproofing and small arms detecting system including a detachable entrance and exit gate with a pair of vertical type panels which...