Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 8115478 | Device and method for measuring concentration of magnetic material A device for measuring a concentration of magnetic material has exciting coils 11a and an output coil 11b which generates exciting voltage when alternating current flows through the exciting coils 11a. Measurement means 6... | 02/14/2012 |
| 8054065 | Inspection of mixed material during installation An apparatus and a method for monitoring a ratio of at least two components being mixed use sensors detecting ferrous taggant particles in the component(s) and the mixture. The sensors include an annular drive coil positioned between inner and outer annular sense co... | 11/08/2011 |
| 7956601 | Device and process for detecting particles in a flowing liquid A process and device for detecting electrically conductive particles in a liquid flowing in a pipe section, the liquid being exposed to periodic alternating electromagnetic fields by a transmitter coil which induces eddy currents in the particles, a probe made as a ... | 06/07/2011 |
| 7923992 | Inspection of asphalt during manufacturing An apparatus and a method for monitoring a ratio of at least two components being mixed use sensors detecting ferrous taggant particles in the component(s) and the mixture. The sensors include an annular drive coil positioned between inner and outer annular sense co... | 04/12/2011 |
| 7888929 | Method and apparatus for measurement of magnetic permeability of a material A system for determining magnetic permeability of a material. Two electrical inductors formed as primary and secondary concentric coils share a common magnetic core space. A first AC voltage applied to the primary coil creates a magnetic flux in the core proportiona... | 02/15/2011 |
| 7737683 | Process and device for electromagnetically based detection of field-influencing parts in a material flow A device for detecting parts in a material flow which influence an electromagnetic alternating field comprises an oscillator (1) and at least one transmitting coil (2) for generating an electromagnetic alternating field extending across the width of a ... | 06/15/2010 |
| 7609054 | Magnetic particle flow detector A ferromagnetic thin-film based magnetic field detection system having a substrate supporting a magnetic field sensor in a channel with a first electrical conductor supported on the substrate positioned at least in part along the channel gap and in direct contact wi... | 10/27/2009 |
| 7557566 | Method and apparatus for measurement of magnetic permeability of a material A system for determining the magnetic permeability of a material is provided. Two electrical inductors formed as primary and secondary concentric coils share a common magnetic core space. An AC voltage applied to the primary coil creates a magnetic flux in the core ... | 07/07/2009 |
| 7446524 | Method for detecting magnetic particles in a fluid using thin-film magnetic field sensor A ferromagnetic thin-film based magnetic field detection system used for detecting the presence of selected molecular species. A magnetic field sensor supported on a substrate has a binding molecule layer positioned on a side thereof capable of selectively binding t... | 11/04/2008 |
| 7420373 | Magnetic head for conductivity imaging for use in boreholes A sensor for performing micro-conductivity measurements during well logging measurements in a borehole includes a magnetic core having a conductive insert wherein windings are driven with alternating current. Some embodiments include a sensor further having a conduc... | 09/02/2008 |
| 7405572 | Non-metallic flow-through electrodeless conductivity sensor and leak detector A non metallic flow through electrodeless conductivity sensor is provided with a conduit having primary and secondary process fluid flowpaths to form a fluid loop. At least one drive and one sense toroid surround the conduit on the fluid loop. Voltage supplied to th... | 07/29/2008 |
| 7328604 | Microelectromechanical (MEM) fluid health sensing device and fabrication method A microelectromechanical (MEM) fluid health sensing device comprises a viscosity sensor which provides an output that varies with the viscosity of a fluid in which it is immersed, and at least one other sensor which provides an output that varies with another predet... | 02/12/2008 |
| 7327136 | Magnetic taggant system An apparatus and a method for monitoring a ratio of at least two components being mixed use sensors detecting ferrous taggant particles in the component(s) and the mixture. The sensors include an annular drive coil positioned between inner and outer annular sense co... | 02/05/2008 |
| 7299683 | Metal particle sensor system A metal particle sensor system for detecting metal particles in an oil line. The metal particle sensor system may include a metal particle sensor positioned about the line, an orifice positioned within the line and downstream of the metal particle sensor, a first pr... | 11/27/2007 |
| 7288941 | Method and apparatus for measuring conductivity of powder materials using eddy currents A method and related apparatus for non-contact measurement of electrical conductivity of powder-like materials using eddy currents includes the steps of placing a powder to be measured in a hollow dielectric sampling container, the sampling container disposed and fr... | 10/30/2007 |
| 7279903 | Non-metallic flow-through electrodeless conductivity sensor with leak and temperature detection A non metallic flow through electrodeless conductivity sensor is provided with a conduit having primary and secondary process fluid flow paths to form a fluid loop. At least one drive and one sense toroid surround the conduit on the fluid loop. Voltage supplied to t... | 10/09/2007 |
| 7237652 | Apparatus and method for lubricating feed mechanism of forming machine A lubrication apparatus that lubricates mechanism of a molding machine. The lubrication apparatus includes a tank for collecting lubrication oil therein, and a lubrication oil supply route for supplying lubrication oil from the tank. ... | 07/03/2007 |
| 7222034 | In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope An oscilloscope performs an in-circuit measurement of voltage across, and current through, a core winding of an inductor, and derives the actual B and H values with n number of turns, receives data indicative of the magnetic length of the circuit, and plots the B_H ... | 05/22/2007 |
| 7162187 | Image forming apparatus and image forming method In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ... | 01/09/2007 |
| 7155971 | Method and device for determining the volumetric flow rate of milk flowing during a milking process The invention relates to a method and device for determining the volumetric flow rate of milk flowing during a milking process. A cross-sectional area (Ai) of the milk flow (2) is determined at a first measuring point (3) by means of a sensor (4... | 01/02/2007 |
| 7151383 | Oil condition sensor An oil condition sensor is proposed which can accurately determine the degree to which oil is contaminated with metallic powder. It includes a permanent magnet and a sensor head provided around the permanent magnet. The sensor head includes a cup-shaped electrode an... | 12/19/2006 |
| 7148678 | Magnetic taggant system An apparatus and a method for monitoring a ratio of at least two components being mixed uses sensors detecting ferrous taggant particles in the component(s) and the mixture. The sensors include an annular drive coil positioned between inner and outer annular sense c... | 12/12/2006 |
| 7126343 | Conductivity probe with toroid keeper An apparatus and associated process for constructing a conductivity probe are disclosed. The conductivity probe includes at least two magnetic circuits in toroidal shape. Each of these “toroids” includes a ferrite core around which is wrapped a conductive wire (... | 10/24/2006 |
| 7112954 | Methods, systems, and devices for evaluation of thermal treatment Methods, Systems, and Devices for Evaluation of Thermal Treatment. A magnetically detectable particle and related methods, systems, and devices are provided for generating a temperature measurement for a batch or a continuous stream of material. The particle can inc... | 09/26/2006 |
| 7112973 | Oil condition sensor An oil condition sensor includes rod-shaped electrodes and an opposed cup-shaped electrode. The rod-shaped electrodes are connected to a first power supply through first fixed resistors having a predetermined threshold. The voltage from the first power supply is app... | 09/26/2006 |
| 7106051 | Magnetoresistive sensing device, system and method for determining a density of magnetic particles in fluid The present invention relates to a magnetoresistive sensing device, a system and a method for determining a density of magnetic particles in a fluid. The magnetoresistive sensing device has a substrate (1) with a layer structure (2) for supporting a fl... | 09/12/2006 |
| 7102346 | Measuring cell for determining characteristics of a paramagnetic gas based on gas flow sweeping past a test element A measuring cell for use in apparatus for the measurement of the magnetic characteristics of a gas comprises means (5) defining a chamber (3) in which a test element (11) is suspended such as to be able to rotate about an axis, and means de inle... | 09/05/2006 |
| 7093482 | System and method for detecting particles An acoustic detector based on rupture event scanning (“REVS”) with a detection setup allowing the monitoring of REVS signals near the driving frequency and with optimized impedance matching between the REVS crystal and the front-end of the detection circuitry fo... | 08/22/2006 |
| 7081745 | Paramagnetic oxygen sensing apparatus and method A paramagnetic oxygen sensor and method employs a pressure sensor having a membrane extending through an air gap for a magnetic field. A piezoelectric element is mounted on the membrane. Gas chambers are formed on either side of the membrane. The gas mixture, the pr... | 07/25/2006 |
| 7068027 | System for measurement of metallic debris in fluid A debris sensor arrangement is positioned within an enclosed body of fluid for detecting the presence of metallic debris particles therein. Debris detection involves exposure of cantilever beams to the fluid when magnetized within an electromagnetic field to attract... | 06/27/2006 |
| 7064562 | Temperature compensation method for soot sensor Certain characteristics of Diesel engine lubrication oil are determined. A sensor formed as a capacitor is immersed in the oil. An inductor is in series with the sensor, and a high frequency voltage with a varying frequency is applied to the resonance circuit formed... | 06/20/2006 |
| 7052468 | Method and apparatus for detecting environmental smoke exposure The present invention includes a method and apparatus for detecting exposure to environmental tobacco smoke by analyzing a sample of breath using electronic sensor technology, including surface acoustic-wave gas sensor technology. The method determines the presence ... | 05/30/2006 |
| 7043967 | Sensor device for monitoring the condition of a fluid and a method of using the same The present invention is a compact apparatus and method that provides an efficient manner for monitoring the condition and level of a functional fluid directly in operating equipment. A sensor device is provided that includes a plurality of liquid sensors and a plur... | 05/16/2006 |
| 7041946 | Energization cycle counter for induction heating tool An induction heat treating process with a remote sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. An identifying tag is preferably attached to, embedded within the induction... | 05/09/2006 |
| 7040140 | Device for suspension of a sample body A device for suspension of a sample body which rotates in space about a rotation axis which is in a fixed position or is related to a fixed position, as a function of the intensity of a measurement effect. In order to ensure that a sample mass is mounted in the devi... | 05/09/2006 |
| 7034549 | Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles A measuring system is disclosed which detects and measures the volume concentration and mass flow of the airborne conductive particles, such as carbon-absorptive chaff particles. The measuring system can be used to estimate the effective conductivity of the detected... | 04/25/2006 |
| 7029581 | Lubricant particle collector having a connector with a ball locking mechanism A removable particle collector for an apparatus which separates metal particles from lubricating oil. A valve assembly has a bore that provides a passage into the reservoir from outside. A valve element is normally biased against a valve seat to close the bore. A pl... | 04/18/2006 |
| 6995021 | Method and apparatus for qualitative and quantitative detection of analytes A method and apparatus for the qualitative and quantitative detection of analytes is disclosed in which in the detection of an analyte in a sample, an elongated migration base is used, in which there is an area for binding a magnetically marked analyte, and in which... | 02/07/2006 |
| 6995558 | System and method for characterizing a sample by low-frequency spectra A method and apparatus for interrogating a sample that exhibits molecular rotation includes placing the sample in a container having both magnetic and electromagnetic shielding, where Gaussian noise is injected into the sample. An electromagnetic time-domain signal ... | 02/07/2006 |
| 6984993 | Method and apparatus for making high-precision measurements A method and apparatus for measuring a predetermined parameter, by providing a displaceable sensor on a mounting member such that the displaceable sensor changes in location, form or length with respect to the mounting member in accordance with the predetermined par... | 01/10/2006 |
