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7609160 |
Control for embedded and door-mounted antennas
A system for controlling door-mounted or door-embedded antennas. An antenna, for example, an EAS or an RF antenna, sends interrogation signals which are received by markers located on merchandise...
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7605708 |
Smart corrugated cardboard
A communication-ready corrugated article and method for making the corrugated article is disclosed. The corrugated article includes a linersheet (e.g., craft paper), an undulating medium (e.g.,...
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7598862 |
Methods and apparatus for security device coupling
An apparatus, according to various aspects of the present invention, that couples a provided security device to a provided portal cover and communicating between a first side and a second side of...
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7592907 |
Metal detector presenting high performance
A metal detector for control of protected access comprises two oblong shape vertical housings ( 10, 12 ), a structure ( 14 ) connecting the upper part of the vertical housings ( 10, 12 ) and...
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7551080 |
Control for embedded and door-mounted antennas
A system and method for controlling door-mounted or door-embedded antennas. An antenna, for example, an EAS or an RF antenna, sends interrogation signals which are received by markers located on...
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7545140 |
Metal object detecting apparatus
A metal object detecting apparatus comprising, a transmitter for generating a primary magnetic field having a resultant magnetic field direction which varies along any substantially linear path...
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7535354 |
Proxemics sensor
A sensor having a crystal having a first face and a second face, the first face comprising a prong, wherein the sensor is adapted to track movement of an object in a medium other than vacuum and...
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7532123 |
Magnetic tagging
Articles are magnetically tagged by a spatial distribution of passive magnetic elements. Each such magnetic element comprises a layer of soft magnetic material characterised by high permeability,...
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7532127 |
Motion and position measuring for buried object detection
A hand-held, wand-type buried object detector includes a motion and position sensor that provides data about the sensor head of the buried object detector. An inertial measuring device including...
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7525308 |
Magnetic detecting device and material identifying device
The present invention discloses a magnetic detecting device comprising an apply coil 1 for generating an alternate magnetic field of variable frequency and a power source 2 for the apply coil;...
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7495555 |
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...
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7468664 |
Enclosure tamper detection and protection
A tamper detecting enclosure arrangement for enclosures containing an interior space in which a protected item is positioned having a magnetoresistive sensing memory storage cell positioned in or...
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7453358 |
Shopping cart conveyor with gated access
A shopping cart conveyor that inhibits the loading of a non-compliant shopping cart onto the conveyor. In one aspect, the invention provides a conveyor comprising a track operable to guide the...
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7432827 |
Device for activating inductive loop sensor of a traffic light control system
A system and method for activating vehicle sensors which are based on inductive loops. A voltage controlled oscillator is scanned throughout the required frequency range while a balanced mixer,...
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7429915 |
System and method for detecting unauthorized access to electronic equipment or components
An improved system and method for protecting sensitive electronic equipment or components against unauthorized access, by detecting and also reacting to unauthorized intrusions into the enclosures...
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7423545 |
Failed filter arrest indicator and method for use in multiple arrester location
The present invention is a technique for locating and identifying a failed filter/arrester in an underground conveyance such as a fiber optic cable. A sensor is installed in the filter/arrester...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7142113 |
Method and apparatus to detect an external source
A method and apparatus to detect an external source are described.
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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...
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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...
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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...
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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...
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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...
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