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| Number | Title | Issue Date |
| 8154278 | Metal face inductive proximity sensor Metal face inductive proximity sensors and methods are presented for sensing the presence or absence of a target object in a target sensing area in which a coil system is operated to generate a magnetic field extending outward from the sensing face at a frequency in... | 04/10/2012 |
| 7843192 | Kit, method and apparatus for monitoring operation of a bearing assembly, method for producing said apparatus, and bearing assembly with a condition monitor A technique for determining properties of a bearing assembly in use involves using an eddy current probe for detecting changes in material density within a raceway of the bearing assembly. A field of detection of the eddy current probe enters the bearing raceway int... | 11/30/2010 |
| 7576534 | System and method to forecast the electrical conductivity of anodes for aluminum production before baking The system (10) and the method are used for forecasting the electrical conductivity of an anode (12) for aluminum production before the anode (12) is baked. In the system (10), at least one receiving coil (20,22) is coupled to an e... | 08/18/2009 |
| 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 (16) of the magnet and provides guide members (11)... | 08/19/2008 |
| 7372255 | Detection of the instantaneous position of a linearly reciprocating member using high frequency injection A piston position sensing circuit for sensing the instantaneous position of a piston of a free piston Stirling machine or a compressor mechanically connected to a reciprocating member of a linear electric motor or alternator. A source of a high frequency, alternatin... | 05/13/2008 |
| 7368907 | Omni-directional electric current perturbation probe An electric current perturbation probe includes at least one driver coil and at least one receiver. The at least one driver coil produces an omni-directional magnetic field. The at least one receiver is decoupled from the omni-directional magnetic field. In one exam... | 05/06/2008 |
| 7366338 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past a full image scanner and a discrimination unit. An output receptacle receives... | 04/29/2008 |
| 7362891 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past an image scanner and a discrimination unit. An output receptacle receives the... | 04/22/2008 |
| 7349566 | Image processing network An image processing network for processing image files and coupled to an outside data communication network comprising a plurality of remote image capture units, the units scanning documents and creating a plurality of image files of said documents; the image proces... | 03/25/2008 |
| 7342537 | Method of and apparatus for detecting a current carrying conductor A detector 1 for detecting a current carrying conductor determines the presence of a current carrying conductor one or more of passive or active modes. In the passive modes, the detector 1 detects either very low frequency radio signals re-radiated fro... | 03/11/2008 |
| 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 |
| 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 a sufficient number of windings is wound about the non-ferrous core ... | 11/20/2007 |
| 7289913 | Local feature characterization using quasistatic electromagnetic sensors Local features such as cracks in materials are nondestructively characterized by measuring a response with an electromagnetic sensor and converting this response into a selected property using a database. The database is generated prior to data acquisition by using ... | 10/30/2007 |
| 7269279 | Currency bill and coin processing system An integrated system for processing currency bills, coins, and other media includes a compact currency bill processing device, a coin scale, a keyboard, and a processor integrated into a housing as a single unit. The bill processing device is used for counting curre... | 09/11/2007 |
| 7262595 | Segmented core for an inductive proximity sensor An inductive proximity sensor for sensing the presence of target based on a change of inductance in the sensor. The sensor includes a coil and a core formed of a permeable material so as to form an electromagnetic field when the coil is electrically driven. The core... | 08/28/2007 |
| 7248041 | Device and method for measuring transient magnetic performance A device for evaluating magnetic component performance and methods of evaluating transient magnetic performance of such components are disclosed. Magnetic flux capacity and/or energy loss of a magnetic component is/are measured, and the measurement data is electroni... | 07/24/2007 |
| 7248731 | Method and apparatus for currency discrimination An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along one of... | 07/24/2007 |
| 7232024 | Currency processing device A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 06/19/2007 |
| 7200255 | Document processing system using full image scanning A system for tracking currency bills comprises a currency scanning device. The scanning device includes a sensor that retrieves currency identification characteristic information of each bill processed. The currency identification characteristic information permits ... | 04/03/2007 |
| 7196553 | Sensor signal detection device The present invention provides a sensor signal detection device which allows the improvement of reliability. This sensor signal detection device comprises an internal power supply voltage generation circuit, a buffer amplifier for receiving signals from a sensor, a ... | 03/27/2007 |
| 7187166 | Electrical property evaluation apparatus An electrical property evaluation apparatus for measuring an electrical property of an object includes a magnetic field generating mechanism that generates a magnetic field in a target area on the object, and a magnetic sensor for measuring the magnetic field near t... | 03/06/2007 |
| 7187795 | Document processing system using full image scanning A system for tracking currency bills comprises a currency scanning device. The scanning device includes a sensor that retrieves currency identification characteristic information of each bill processed. The currency identification characteristic information permits ... | 03/06/2007 |
| 7158662 | Currency bill and coin processing system A compact system for processing currency bills and coins comprises a compact currency bill processing device, a coin scale, and a processor communicatively linked to the currency bill processing device and the coin scale. The compact currency bill processing device ... | 01/02/2007 |
| 7112960 | Eddy current system for in-situ profile measurement An eddy current monitoring system may include an elongated core. One or more coils may be coupled with the elongated core for producing an oscillating magnetic field that may couple with one or more conductive regions on a wafer. The core may be translated relative ... | 09/26/2006 |
| 7081748 | Magnetic resonance scanner with electromagnetic position and orientation tracking device A system for combining electromagnetic position and orientation tracking with magnetic resonance scanner is provided. One embodiment includes a magnetic resonance scanner defining a reference coordinate system for scanning a target. Coupled to the magnetic resonance... | 07/25/2006 |
| 7078894 | Polishing device using eddy current sensor An eddy current sensor and a method for detecting the thickness of a film formed on a substrate. The eddy current sensor, which is capable of stable operation, is operable to accurately detect a polishing endpoint. The eddy current sensor detects the thickness of a ... | 07/18/2006 |
| 7070476 | In-situ metalization monitoring using eddy current measurements during the process for removing the film A method for measuring conductance of a sample using an eddy current probe with a sensing coil. The method includes N repetitions of measuring first and second voltage pairs including in-phase and quadrature components of an induced AC voltage in the sensing coil, c... | 07/04/2006 |
| 7047706 | DPA automated assembly and packaging machine This patent relates to a machine that automatically assembles, inspects, and packages disposable prophylaxis angles. The machine includes a movable table including a plurality of fixtures on which angle components are assembled and the assembled angles are inspected... | 05/23/2006 |
| 7026844 | Sensor signal detection device The present invention provides a sensor signal detection device which allows the improvement of reliability. This sensor signal detection device comprises an internal power supply voltage generation circuit, a buffer amplifier for receiving signals from a sensor, a ... | 04/11/2006 |
| 7026811 | Methods and apparatus for eddy current inspection of metallic posts An apparatus for inspecting a metallic post contoured in a single dimension for defects. The apparatus has a clamp having at least one jaw with a surface conforming to the contour to the metallic post. The conforming jaw or jaws also have a plurality of eddy current... | 04/11/2006 |
| 7016767 | System and method for processing currency and identification cards in a document processing device A document processing device having an evaluation region disposed along a transport path between an input and output receptacle capable of processing both currency bills and identification cards. An evaluation unit enables entry of source identification information ... | 03/21/2006 |
| 7000828 | Remote automated document processing system An automated check processing system for accepting and processing checks from a customer, having a plurality of document scanners. The document scanners are adapted to obtain full images of checks fed into the document scanners and to obtain images of selected porti... | 02/21/2006 |
| 7002820 | Semiconductor storage device A semiconductor storage device including a tip electrode, a media electrode and a storage media. The storage media has a storage area configurable to be in one of a plurality of structural states to represent information stored at the storage area, by passing a curr... | 02/21/2006 |
| 6996263 | Network interconnected financial document processing devices A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past a full image scanner and a discrimination unit. An output receptacle receives... | 02/07/2006 |
| 6959800 | Method for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 11/01/2005 |
| 6958603 | Method for detecting metallic foreign matter and system for detecting metallic foreign matter A metallic contaminant detecting method and apparatus according to the present invention detect metallic contaminants mixed in objects under inspection, such as food products, pharmaceuticals, and materials for industrial use, which are wrapped in electrically condu... | 10/25/2005 |
| 6955253 | Apparatus with two or more pockets for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 10/18/2005 |
| 6929109 | Method and apparatus for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 08/16/2005 |
| 6924641 | Method and apparatus for monitoring a metal layer during chemical mechanical polishing A sensor for monitoring a conductive film in a substrate during chemical mechanical polishing generates an alternating magnetic field that impinges a substrate and induces eddy currents. The sensor can have a core, a first coil wound around a first portion of the co... | 08/02/2005 |
| 6919731 | Method for measuring a position of a conductive target material A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a metallic target object being monitored. The system further including a ... | 07/19/2005 |
