Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7923995 | Sensor coil array for magnetic inductance tomography with reduced mutual coil coupling This invention relates to magnetic inductance tomography, and in particular, to coils of a sensor/driver coil array for use in a magnetic inductance tomography apparatus, in which driver/sensor coils are used to measure the induced flux in a conductive, dielectric a... | 04/12/2011 |
| 7550969 | Security screening and inspection based on broadband electromagnetic holographic imaging A method of security screening and inspection of people in airlines, ships, or secured buildings, involves placing an array of transmitters and receivers in operational association with the medium. The transmitters generate a broad band harmonic (frequency domain) o... | 06/23/2009 |
| 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 through a surveillance volume such that at three locations along said pa... | 06/09/2009 |
| 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; a magnetic sensor 5 for detecting a change in the ma... | 04/28/2009 |
| 7414404 | Metal detection apparatus A metal detection apparatus includes a transmitter for generating a magnetic field in the vicinity of the metal object, and a detector for detecting a secondary magnetic field. The detector include a first gradiometer for providing a first output signal representati... | 08/19/2008 |
| 7411390 | High resolution inductive sensor arrays for UXO For the inspection of materials and the detection and characterization of hidden objects, features, or flaws sensors and sensor arrays are used to image form two-dimensional images suitable for characterizing the hidden features. Magnetic field or eddy current based... | 08/12/2008 |
| 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 grabber, a video camera, and a computer control unit with a control module i... | 08/05/2008 |
| 7368905 | System, method, and apparatus for use of micro coils within a single slider test nest A precisely machined test nest holds a single hard disk drive slider. The test nest is fabricated to contain a micro pickup coil that is positioned to be able to detect magnetic flux from a write element of the slider. The micro pickup coil has highly repeatable and... | 05/06/2008 |
| 7358721 | Eddy current flaw detection sensor and method An eddy current flaw detection sensor is provided which can detect a circumferential crack occurring at the deformed portion or peripheral portion thereof of a heat transfer tube with a high degree of sensitivity. Two excitation coils 1a, 1b ... | 04/15/2008 |
| 7355410 | Handheld scanning subsurface detector A handheld scanning subsurface detector (1) includes a detector module (2) and a computing unit (3) located in handheld housing (5), a guide (7) for guiding the detector module (2) at a predetermined distance over a to-be-an... | 04/08/2008 |
| 7355402 | Method and apparatus for hazardous liquid detection A method for hazardous liquid detection within a container includes inducing a static magnetic field in the container, inducing a radio frequency magnetic field in the container at a frequency selected to excite nuclear magnetic resonance phenomena in liquids; detec... | 04/08/2008 |
| 7356421 | Precise location of buried metallic pipes and cables in the presence of signal distortion A new approach for locating an underground line described herein remains accurate in the face of bleedover by including both amplitude and phase from at least two magnetic field strength sensors in the measurement set. A numerical optimization step is introduced to ... | 04/08/2008 |
| 7352194 | Method for determining the thickness of a coating on a composite material The invention relates to a method for determining the thickness of a coating on a composite material by applying induced currents wherein the composite material together with its coating is placed on a conducting material, in which circulating electric currents indu... | 04/01/2008 |
| 7322744 | Temperature measurement device A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c... | 01/29/2008 |
| 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 from the magnetometers with unequal weights and combines the scaled ... | 01/15/2008 |
| 7294971 | Balancing transformers for ring balancer A ring balancer comprising a plurality of balancing transformers facilitates current sharing in a multi-lamp backlight system. The balancing transformers have respective primary windings separately coupled in series with designated lamps and have respective secondar... | 11/13/2007 |
| 7292030 | Metal shield alarm in a nuclear quadrupole resonance/X-ray contraband detection system This invention relates to a combined nuclear quadrupole resonance and X-ray contraband detection system with a metal shield alarm that is activated when the area of the metal in the object being scanned as determined by the resonance frequency shifts of the NQR sens... | 11/06/2007 |
| 7281432 | Displacement sensor with an excitation coil and a detection coil To be able to detect a displacement amount of a moving object by a resolution of from micrometer to nanometer by a simple structure. An excitation coil 23 and a detection coil 25 are arranged to align and a magnetic body probe 27 in a con... | 10/16/2007 |
| 7242186 | Device for testing a test specimen for surface faults by magnetization means and by means of induction probes as measurement sensors A device for testing a test specimen for surface faults is equipped for delivering a magnetic flux into the specimen and has induction probes measurement sensors. At least two yoke legs have opposed gap-forming ends with oppositely poled exciter coils between which ... | 07/10/2007 |
| 7235986 | Capacitive position sensing system with resonant amplification At least one exemplary embodiment of the present invention includes a capacitive sensing system, comprising a sensing conductor coupleable to a grounded target by a gap capacitance Cd, said grounded target separated from said sensing conductor by a gap ha... | 06/26/2007 |
| 7235967 | Eddy current testing probe and eddy current testing apparatus An eddy current testing probe has a flexible substrate adapted to face to a surface of a test article, a plurality of coils which are fixed to the flexible substrate and energized one of which is capable of being changed sequentially, a pressing member for pressing ... | 06/26/2007 |
| 7218229 | Location system and method that achieves time synchronized network performance with nodes divided into separate networks A system for locating an object within a monitored environment includes receivers arranged in loosely coupled networks. A tag transmitter acts as a network node and bridge between the loosely coupled networks. A processor is operative with each receiver within each ... | 05/15/2007 |
| 7215117 | Measurement with a magnetic field Material properties such as stress in a ferromagnetic material may be measured using an electromagnetic probe. While generating an alternating magnetic field in the object, and sensing the resulting magnetic field with a sensor, the signals from the magnetic sensor ... | 05/08/2007 |
| 7212563 | Real-time locating system and method using timing signal A location system includes a plurality of signal readers for receiving signals from a wireless transmitter to be located. The signals include a wideband, spread spectrum signal and a timing marker appended a predetermined time in front of the wideband, spread spectr... | 05/01/2007 |
| 7212895 | Magnetic sensor A magnetic flux is sensed within a gap at a first location between two portions of a vehicle body/structure and a signal generated responsive thereto controls an element of the vehicle, wherein the magnetic flux is responsive to a disturbance of the vehicle body/str... | 05/01/2007 |
| 7209844 | Magnetic crash sensor A first magnetic field generated by a first coil operatively associated with a first portion of a vehicle interacts with at least one conductive element operatively associated with or at least a part of a second portion of the vehicle so as to generate an eddy curre... | 04/24/2007 |
| 7190161 | Magnetic sensor A coil is operatively associated with a magnetic circuit of a vehicle body, and is adapted to cooperate with a time-varying magnetic flux in the vehicle body that is responsive to a condition of the vehicle body sensed by the magnetic sensor. An electrical circuit i... | 03/13/2007 |
| 7190271 | Location system and method that achieves time synchronized network performance using unsynchronized receiver clocks A system for locating an object within a monitored environment includes a tag transmitter that transmits an RF signal to receivers having unsynchronized clocks. A processor is operative with each receiver and determines clock timing relationships for the clocks base... | 03/13/2007 |
| 7173416 | Measurement probe and authentication device comprising the same The invention refers to a measurement probe for measuring magnetization data of at least one item (7), specifically a security document comprising at least one magnetic security material (M), said measurement probe comprising at least one core free magnetizin... | 02/06/2007 |
| 7170286 | Magnetic material detecting device A magnetic material detecting device which detects a magnetic material by applying a magnetic field to the magnetic material and detecting a magnetic field generated from the magnetic material by the applied magnetic field, and which includes a magnetizing coil whic... | 01/30/2007 |
| 7170288 | Parametric nuclear quadrupole resonance spectroscopy system and method A system and method for probing a specimen to determine one or more components by utilizing a first signal to excite the specimen at a nuclear quadrupole resonant frequency and observing changes in a specimen property. One exemplary property may be dielectric consta... | 01/30/2007 |
| 7154266 | Screening method and apparatus A method and apparatus to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter a controlled area. The device comprises a screening portal, including multiple sensor arrays and associated electro... | 12/26/2006 |
| 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 against a reference value. The metal detector, also includes a test modu... | 12/05/2006 |
| 7123016 | Systems and methods useful for detecting presence and / or location of various materials The present invention provides systems and methods which can be employed to locate or detect presence of various materials, including nonferrous metals. These systems include new and useful sensors, circuits, systems and devices which power and/or interoperate with ... | 10/17/2006 |
| 7116248 | Vehicle detector system with synchronized operation A vehicle detector system having a number of individual vehicle detectors each capable of sampling a plurality of vehicle loops in mutual synchronization. One detector operates as a master detector for synchronization purposes; the other detectors are operated as sl... | 10/03/2006 |
| 7113874 | Magnetic crash sensing method A signal generated responsive to a magnetic field in a magnetic circuit is decomposed into first and second filtered signals, wherein, at at least one first frequency, a magnitude of a component of the first filtered signal is greater than that of the second filtere... | 09/26/2006 |
| 7109887 | Vehicle detector system with automatic loop checking A method and apparatus for automatically testing the integrity of an inductive loop in a vehicle detector system. A check loop is placed adjacent each inductive loop in a multi-channel vehicle detector system. Each check loop is periodically activated by the vehicle... | 09/19/2006 |
| RE39206 | Absolute property measurement with air calibration An instrument and method for providing accurate and reproducible measurement of absolute properties of a material under test without using conductivity or crack calibration standards. The instrument has a sensor designed to minimize unmodeled parasitic effects. To a... | 07/25/2006 |
| 7075293 | Method for inductive distance measurement, and a working head for carrying out this method using an induction coil An inductive measurement is carried out of the distance between a workpiece (3) and a working head (1), which bears an induction coil (8), through which an alternating current flows and which is part of a resonance circuit whose oscillation freq... | 07/11/2006 |
| 7071685 | Induction sensor using printed circuit A planar induction sensor for sensing of security features of documents having changing magnetic and (or) conducting properties is of a multilayer printed circuit board design. The sensor comprises a planar current transformer with a spiral-type primary coils and on... | 07/04/2006 |
