Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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 |
| 8063631 | Method and device for non destructive evaluation of defects in a metallic object A device for non destructive evaluation of defects in a metallic object (2) by eddy currents, comprises a field emitter (3) for emitting an alternating electromagnetic field at a first frequency fi in the neighborhood of the metallic object (2),... | 11/22/2011 |
| 7759931 | Device for measuring magnetic impedance The present invention relates to a magnetic impedance measurement device comprising an apply coil for generating an alternate magnetic field of variable frequency, a power source for the apply coil, at least one magnetic sensor means comprising a pair of magnetic se... | 07/20/2010 |
| 7391204 | Sensor signal conditioning circuit A sensor signal conditioning circuit and sensor system incorporating the same. In one embodiment, the signal conditioning circuit includes a DC-coupled detector that converts a sensor signal into a discrete level signal. An AC-coupled detector having a dynamic DC th... | 06/24/2008 |
| 7375514 | Flexible hand held MR scanning array for cracks/flaws A non-destructive testing device has an excitation coil with a plurality of conductor ribbons attached to a flexible membrane. A frame supports the membrane and incorporates wheels for translation across a surface to be inspected and resilient suspension for maintai... | 05/20/2008 |
| 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 |
| 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 |
| 7355393 | Magnetic head slider testing apparatus and magnetic head slider testing method In the present invention, a coil generating DC magnetic field applied to a magnetic head is divided into two in that a first coil and a second coil, which are provided on a frame shape core. An distance of an air gap is shortened, a slider head is held on a table ha... | 04/08/2008 |
| 7353937 | Method of monitoring belt orientation and/or belt travel of a band belt conveyor apparatus and a band belt conveyor A method of monitoring belt orientation and/or belt travel of a belt conveyor apparatus includes measurement of compression and/or thrust stress patterns within the belt as it passes over a support roller arrangement by measuring means embedded in the belt. The meas... | 04/08/2008 |
| 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 |
| 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 |
| RE40166 | MAGNETIC NON-DESTRUCTIVE METHOD AND APPARATUS FOR MEASUREMENT OF CROSS SECTIONAL AREA AND DETECTION OF LOCAL FLAWS IN ELONGATED FERROUS OBJECTS IN RESPONSE TO LONGITUDINALLY SPACED SENSORS IN AN INTER-POLE AREA A magnetic non-destructive method and an apparatus for measurement of cross sectional area of elongated ferrous objects such as steel wire ropes and for detecting local flaws is disclosed. A section of a wire rope is magnetized by longitudinally spaced magnetic pole... | 03/25/2008 |
| 7348785 | Method and apparatus for magnetically achieving electrical continuity A method and apparatus for achieving electrical conductivity that can, for instance, obviate the need for the use of two hands to make a measurement of electrical properties across two contacts that do not lend themselves to the acceptance of clip-on leads, or acros... | 03/25/2008 |
| 7330032 | Techniques for building-scale electrostatic tomography Techniques for imaging a search region to detect a dielectric target include placing multiple electrodes outside the search region. At least two electrodes are activated independently of each other. Emitter circuits are connected to corresponding emitter electrodes.... | 02/12/2008 |
| 7304474 | Eddy current inspection device with arrays of magnetoresistive sensors There is provided an inspection device for the detection of flaws in a component. The inspection device comprises a magnetic field generator, a first array of magnetoresistive sensors and a second array of magnetoresistive sensors, in which the second array is subst... | 12/04/2007 |
| 7302867 | Magnetic transducer torque measurement A magnetic transducer element is formed by rotating an integral region of a shaft about an axis in the presence of a magnetic source. An annulus of magnetization results in having its magnetization in the axial direction. The exterior magnetic field emanated by the ... | 12/04/2007 |
| 7301335 | Apparatus and method for eddy-current magnetic scanning a surface to detect sub-surface cracks around a boundary An RFEC excitation unit and sensor apparatus and method that facilitate detection of cracks or other anomalies within or under a surface and immediately next to an expected structure (such as a rivet) that would otherwise cause a signal change preventing detection o... | 11/27/2007 |
| 7285953 | Device for detecting interfering pieces in material to be conveyed A device for producing a detection signal when interfering, preferably metallic conductive pieces occur in an at least largely non-conductive conveyor stream. An alternating electromagnetic field is built up by an alternating current generator through a transmission... | 10/23/2007 |
| 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 |
| 7259551 | Position sensing for moveable mechanical systems and associated methods and apparatus Position sensing of movable elements including but not limited to machine components is disclosed. Motion of a movable element can produce motion of a magnetic field, which can be detected by magnetic sensors. The motion and/or variations of a magnetic field and/or ... | 08/21/2007 |
| 7256587 | Multiple sensitivity stud sensing device A multiple sensitivity stud sensing device for determining a location of objects behind a wall lining has a housing with a surface for moving over the wall lining. Within the housing are a capacitive sensor with first and second capacitances provided adjacent the su... | 08/14/2007 |
| 7254519 | Multi channel multiplexed inspection system and method Provided are systems and methods for multi-channel non-destructive inspection which provide high data throughput, logarithmic amplification of large dynamic range, and simplicity of supporting electronics. More specifically, provided are systems and methods for insp... | 08/07/2007 |
| 7249406 | Method to detect magnetic pole defects in perpendicular recording heads at wafer level The perpendicular magnetic head fabrication and testing method includes the additional fabrication of magnetic pole testing structures in the kerf area of the wafer substrate. Particularly, magnetic interconnect pieces are fabricated in the kerf area to magnetically... | 07/31/2007 |
| 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 |
| 7233142 | Planer reader of non-erasable magnetic media and local permeability A planer reader and method of probing the magnetic permeability of a material using a magnetic flux circuit comprises a substrate; a near-circular soft magnetic layer adjacent to the substrate; a gap configured in the soft magnetic layer, wherein the gap creates an ... | 06/19/2007 |
| 7222727 | Low cost food processing belts and other conveyances manufactured from conductive loaded resin-based materials Conveyors, chutes, skids, guides, and ways for the transporting of material are formed of a conductive loaded resin-based material such that fragments of these structures can be detected by a metal detector. The conductive loaded resin-based material comprises micro... | 05/29/2007 |
| 7221155 | Inventory counter for oil and gas wells A magnetic induction device mounted at the wellhead that is capable of measuring changes in magnetic flux can recognize when a tubing joint or casing collar passes in or out of the well. The number of changes in magnetic flux directly correlates to the number of joi... | 05/22/2007 |
| 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 |
| 7199576 | Apparatus for testing processing electronics An apparatus is disclosed for testing the processing electronics of a detector module for an X-ray computer tomograph. To provide a measurement environment which is as noise-free as possible, the processing electronics to be tested are tested when they are DC decoup... | 04/03/2007 |
| 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 |
| 7187168 | Direction sensor including first and second detecting circuits and first and second magnetic bias application parts A direction sensor has first and second bridge circuits, each of the bridge circuits including at least two detecting elements formed on a main surface of a substrate and connected in series, their longitudinal directions crossing each other. The sensor also has fir... | 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 |
| 7178125 | Method for modeling triangle meshed interconnect structures using an electrically equivalent three rectangle combination for each triangle in the triangle mesh A method for modeling a triangle meshed interconnect structure using an electrically equivalent three rectangle combination for each triangle in the triangle mesh is described. In the method, a surface of an interconnect structure is meshed with triangles. Three rec... | 02/13/2007 |
| 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 |
| 7157905 | Long magnetic sensor A plurality of magnetosensitive portions of a plurality of magnetic resistance elements and a plurality of magnets are aligned substantially linearly to be perpendicular to a moving direction of a detection object, and directions of magnetic poles of the magnets are... | 01/02/2007 |
| 7145330 | Scanning magnetic microscope having improved magnetic sensor A scanning magnetic microscope SMM (20) includes a sensor (10) for sensing a magnetic field generated by a specimen (78), the sensor including one of a MTJ, a GMR, or an EHE sensor; translation apparatus (22A–C, 52) for translati... | 12/05/2006 |
| 7141967 | Sensor arrangement A sensor arrangement includes at least two half bridges coupled together to form at least a Wheatstone bridge, and includes at least two magnetoresistive sensor elements in each half bridge. These sensor elements are sensitive along a measuring direction to the magn... | 11/28/2006 |
| 7135857 | Serially connected magnet and hall effect position sensor with air gaps between magnetic poles Methods and apparatus are provided for measuring the position of an object. The apparatus comprises a magnetic sensor assembly having a magnetic field source, sensor and air gap, and a platen containing a region of position varying magnetic properties that moves thr... | 11/14/2006 |
| 7129734 | Method for testing analog and mixed-signal circuits using functionally related excitations and functionally related measurements A method for testing a circuit includes determining at least one performance characteristic of the circuit based on a functional relationship between excitation signals or on a functional relationship between measurement devices. The method is implemented either as ... | 10/31/2006 |
