Patents by Examiner Neel Shah
  • Patent number: 9817084
    Abstract: A single-chip magnetic field sensor bridge, comprising a substrate, a reference arm, a sensing arm, shielding structures, and wire bond pads is disclosed. The reference arm and the sense arm respectively comprise at least two rows/columns of reference element strings and sense element strings formed by electrically connecting one or more identical magnetoresistive sensing elements. The reference element strings and the sense element strings are alternately arranged. The magnetoresistive sensing elements are AMR, GMR or TMR sensing elements. The reference element strings are provided with shielding structures thereon, and the sensing element strings are located in gaps between two adjacent shielding structures. The shielding structures are arrays of elongated strips composed of permalloy or another soft ferromagnetic material. The sensors can be implemented as one of three different bridge structures, called a quasi-bridge, a half-bridge, or a full-bridge.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: November 14, 2017
    Assignee: MultiDimension Technology Co., Ltd.
    Inventor: James Geza Deak
  • Patent number: 9810749
    Abstract: A magnetic field measuring device with a holding body and a plurality of magnetoelectric cantilever sensors, each of which is designed to output one electrical voltage signal while it bends in the presence of a magnetic field, the cantilever sensors being non-positively connected or bonded to the holding body.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: November 7, 2017
    Assignee: Christian-Albrechts-Universitaet zu Kiel
    Inventors: Robert Jahns, Holger Runkowske, Reinhard Knoechel
  • Patent number: 9797935
    Abstract: An electronic electricity meter (102) for monitoring electrical power consumption due to a plurality of loads, comprising electric power sensor (506A, 506, 502, 504, 508) configured to register, optionally in a substantially real-time fashion, data indicative of aggregate power demand (202) of a number of loads coupled to a common electrical power source, such as one or more phases of a polyphase system, load tracker (506B, 506, 502, 504) configured to detect the effect of individual loads on the basis of distinctive load patterns in said data, wherein the tracker is configured to utilize a distinctive load pattern detected in said data as at least a basis for a reference pattern (304, 306, 308) for subsequent detections (304a, 306a, 308a) of the effect of the same load in the data, accuracy analyzer (506C, 506, 502, 504) configured to, on the basis of comparisons of subsequent detections with the corresponding references, determine (312, 314, 316) whether the comparisons relating to at least two, preferably
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: October 24, 2017
    Assignees: LANDIS+GYR OY, LANDIS+GYR AG
    Inventors: Risto Airaksinen, Ari Koskinen
  • Patent number: 9795829
    Abstract: Embodiments relate to a concept for determining a transit of a movable object through a detection area within a detection plane. At least one exciter antenna provides an exciting electromagnetic field. The exciting electromagnetic field or at least one spatial component thereof has a field strength above a field strength threshold in the detection area. The exciting electromagnetic field is capable of exciting the movable object to emit an electromagnetic response signal comprising information on a position of the movable object. At least one sensor antenna comprising a magnetic core receives the electromagnetic response signal. The at least one magnetic core is positioned in a region of the exciting electromagnetic field where the field strength of the exciting electromagnetic field or the at least one spatial component thereof is below the field strength threshold.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: October 24, 2017
    Assignee: Frauenhofer-Gesellschaft zur Foerderung der angewandten Forschung
    Inventors: Markus Hartmann, Tobias Draeger
  • Patent number: 9797927
    Abstract: A browser probe has a probe body including a signal line, a nose of electrical insulating material integral with and projecting from the probe body, a pin supported by the probe body and electrically conductively connected to the signal line, a spring exerting a biasing force on the pin, an electrically conductive probe tip supported by the nose at a distal end of the nose remote from the probe body, and a plurality of discrete resistors interposed between the pin and the probe tip within the nose. The resistors are supported independently of another so as to be slidable within the nose. The probe tip is electrically conductively connected to the signal line via the resistors and the pin under the biasing force exerted by the spring.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: October 24, 2017
    Assignee: Keysight Technologies, Inc.
    Inventor: Michael T. McTigue
  • Patent number: 9778319
    Abstract: The embodiments described herein provide systems and methods for determining the health status of a sensed switch. In general, the embodiments described herein determine a measure of a health status of the sensed switch by comparing a voltage on the sensed switch, ascertaining a first comparator state under one test condition and ascertaining a second comparator state under a second test condition. The first comparator state and the second comparator state are and then compared to determine the measure of the health status of the sensed switch.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: October 3, 2017
    Assignee: NXP USA, INC.
    Inventors: William E. Edwards, Anthony F. Andresen, Randall C. Gray
  • Patent number: 9772424
    Abstract: In one aspect, a resistivity logging tool for a fluid-producing formation if provided. The resistivity logging tool includes at least one transmitter device connected to at least one excitation electrode, multiple receiver devices respectively connected to monitoring electrodes, and a controller. The transmitter can inject an excitation current into the formation via the excitation electrode. Each receiver device can determine a respective voltage level induced by the excitation current. The controller can determine whether a voltage level measured by at least one receiver device is within a specified range. Based on the measured voltage level, the controller can select a global amplitude adjustment algorithm for modifying excitation currents or a localized amplitude adjustment algorithm for modifying one or more gains of one or more receiver devices. The controller can modify the excitation current or gains by executing the selected algorithm.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: September 26, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Qi Cao, Chi Wei Lim, Alberto Quintero, William J. Schaecher
  • Patent number: 9772384
    Abstract: An AC input voltage detecting device includes a first input, a second input, a determining unit, a first voltage-detecting unit, and a second voltage-detecting unit. The first input and the second input are electrically connected to a neutral line and a live line of an AC power, respectively. The determining unit includes a first power switch, a second power switch, and an output, the first and second power switch are electrically connected in series, and the output is coupled to the second power switch. The first voltage-detecting unit is electrically connected to the first input and the first power switch, the second voltage-detecting unit is electrically connected to the second input and the second power switch. A signal for indicating that the AC power supplies normally is generated from the determining unit while the voltages conducted by the live line and the neutral line are normal.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: September 26, 2017
    Assignee: Chicony Power Technology Co., Ltd.
    Inventors: Wen-Nan Huang, Ming-Tsan Lin, Ching-Guo Chen, Shiu-Hui Lee, Hsiao-Chih Ku, Chih-Ming Yu, Hsin-Chang Yu
  • Patent number: 9766301
    Abstract: A magnitude and direction of at least one of a reset current and a second stabilization current (that produces a reset field and a second stabilization field, respectively) is determined that, when applied to an array of magnetic sense elements, minimizes the total required stabilization field and reset field during the operation of the magnetic sensor and the measurement of the external field. Therefore, the low field sensor operates optimally (with the highest sensitivity and the lowest power consumption) around the fixed external field operating point. The fixed external field is created by other components in the sensor device housing (such as speaker magnets) which have a high but static field with respect to the low (earth's) magnetic field that describes orientation information.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: September 19, 2017
    Assignee: EVERSPIN TECHNOLOGIES, INC.
    Inventors: Lianjun Liu, Phillip Mather, Jon Slaughter
  • Patent number: 9759763
    Abstract: A device and method for limiting damage to a semiconductor device under test when the semiconductor device fails during a high current, or high power test is provided. The occurrence of a failure of the device under test is detected, and power applied to the semiconductor device is diverted through a parallel path element upon detection of failure of the semiconductor device.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: September 12, 2017
    Assignee: Integrated Technology Corporation
    Inventors: Rodney E. Schwartz, Steve Clauter, David Lohr, Gary Rogers, James Baggiore
  • Patent number: 9752999
    Abstract: This application relates to a moisture ingress sensor. In particular, this application relates to a moisture ingress sensor that can detect liquid ingress into an electronic device. The moisture ingress sensor can include a resistor, an N-channel MOSFET, an operation amplifier, comparators, and an AND logic gate. The moisture ingress sensor is configured to provide a lower power means for accurately detecting moisture in an electronic device. Multiple areas of the electronic device can include the moisture ingress sensor in order to optimize the detection of moisture for at a variety of regions of the electronic device. Additionally, the electronic device can record signals from the moisture ingress sensor and shut down components of the electronic device that could be affected by the detected moisture. Furthermore, the moisture ingress sensor can be tuned to detect one or more types of liquids.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 5, 2017
    Assignee: Apple Inc.
    Inventors: Kirill Kalinichev, Kevin M. Keeler, Brian C. Menzel
  • Patent number: 9753063
    Abstract: An arrangement for use in a utility meter includes at least one circuit path, a three phase service switch, and a three phase monitoring unit. The at least one circuit path operably couples a source of electrical energy to a load. The service switch is operably coupled to the at least one circuit path and is configurable in an open state and a closed state. The monitoring unit is operably coupled to the at least one circuit path between the load and the service switch and is configured to detect a presence and an absence of line voltage on the load. The monitoring unit is further configured (i) to generate an open circuit signal responsive to the detection of the absence of line voltage on the load, and (ii) to generate a closed circuit signal responsive to the detection of the presence of line voltage on the load.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: September 5, 2017
    Assignee: Landis+Gyr Inc.
    Inventor: Anibal Diego Ramirez
  • Patent number: 9744335
    Abstract: Methods and apparatuses for detecting tension on a tendon and/or mechanical deformation (e.g., breakage) of one or more steering tendon of a steerable and flexible articulating device. Theses apparatuses may have one or more tendons that are each electrically conductive and configured to steer the apparatus when tension is applied to the proximal end of the tendon. Tension and/or breakage (or other deformation) of one or more of these tendons may be detected by monitoring the electrical resistance of the tendons.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 29, 2017
    Assignee: Auris Surgical Robotics, Inc.
    Inventor: Allen Jiang
  • Patent number: 9739802
    Abstract: A multi-electrode conductive probe, a manufacturing method of insulating trenches and a measurement method using the multi-electrode conductive probe are disclosed. The conductive probe includes a base, a plurality of support elements, a plurality of tips and a conductive layer. The base has a surface and a plurality of protrusions. The protrusions are configured on the surface in a spacing manner, and an insulating trench is disposed between the two adjacent protrusions. The support elements are disposed at the base and protrude from the base. The tips are disposed on the end of the support elements away from the base. The conductive layer covers the surface of the base, the protrusions, the support elements and the tips. Portions of the conductive layer on the two adjacent support elements are electrically insulated from each other by at least an insulating trench.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: August 22, 2017
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Bernard Haochih Liu, Chun-Chieh Tien, Jui-Teng Cheng, Yu-Lun Cheng
  • Patent number: 9733277
    Abstract: A centralized voltage control device connected, via a communication network, to local voltage control devices connected to voltage control apparatuses, including: a transmission and reception unit receiving the number of times a tap position is changed per fixed time of the voltage control apparatus from the local voltage control device; a dead-zone-width updating unit increasing a dead zone width when the number of times a tap position is changed in a voltage control apparatus of a transformer type is a threshold or larger; and a voltage-upper-and-lower-limit-value determining unit determining the voltage upper limit value and the voltage lower limit value for each local voltage control device and issuing a command regarding these values to each local voltage control device, and determining the voltage upper limit value and the voltage lower limit value of the voltage control apparatus of a transformer type on the basis of the dead zone width.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: August 15, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Nobuhiko Itaya
  • Patent number: 9733281
    Abstract: A voltage sensor system for sensing voltage in a conductor, the voltage sensor system including a first plate, a first electrode disposed a first distance away from the first plate, a second plate, a second electrode disposed a second distance away from the second plate, a control unit structured to control one of the first plate and the second plate to be grounded and the other of the first plate and the second plate to be electrically floating, and a differential amplifier electrically connected to the first electrode and the second electrode and being structured to output an output voltage that is proportional to a difference in voltage between the first electrode and the second electrode.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 15, 2017
    Assignee: EATON CORPORATION
    Inventors: Abhijeet Vikram Kshirsagar, Mark Allan Juds, Gayatri Shashikant Dharne
  • Patent number: 9709599
    Abstract: An apparatus includes a membrane film and a plurality of needle tips with cylinder shapes. The membrane film includes a plurality of signal traces. The needle tips are disposed on the membrane film and are electrically connected to the signal traces. The needle tips are configured to probe a device-under-test (DUT).
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: July 18, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Ming-Cheng Hsu
  • Patent number: 9709603
    Abstract: A current sensing system constituted of: an impedance element; a switching network arranged to alternately couple a first end of the impedance element between a supply voltage and return, the impedance element arranged to develop a voltage there across reflecting a current flow to a load coupled to the second end of the impedance element; a first stage amplifier, a first and second input thereof respectively coupled to the first and second end of the impedance element, a power supply input thereof coupled to a voltage greater than the supply voltage and a return thereof coupled to the first end of the impedance element, the amplifier having a first and second output, the potential difference reflecting the impedance element voltage times a first stage gain; and a second stage amplifier, a first and second input thereof respectively coupled to a first and second output of the first stage amplifier.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: July 18, 2017
    Assignee: Microsemi Corporation
    Inventor: Bruce Ferguson
  • Patent number: 9689933
    Abstract: A magnetic field sensor, comprising a suspending mass block, a group of Y direction displacement sensors, a group of Z direction displacement sensors and a power supply; wherein the mass block, the Y direction displacement sensors and the Z direction displacement sensors respectively comprise a plurality of metal layers and a dielectric layer between two metal layers. In the mass block, a region corresponding to the Y direction displacement sensors and a region corresponding to the Z direction displacement sensors respectively comprise at least two metal layers connected by a via. The Y direction displacement sensors include two electrodes, each comprising at least two metal layers connected by a via; the Z direction displacement sensor includes two electrodes, each comprising at least two metal layers connected by a via; and the power supply provides a current flowing through the mass block selectively in X or Y direction.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: June 27, 2017
    Assignee: Sagatek Co., Ltd.
    Inventors: Kuei-Ann Wen, Tai-Wei Chiang
  • Patent number: 9684030
    Abstract: Disclosed is drum-type IC burn-in and test equipment including burn-in equipment. The burn-in equipment includes therein a first working platform, a second working platform, a drum-type burn-in device, and a parts pickup device. The first working platform includes a first parts disposition section and a parts feeding device. The second working platform includes a parts transferring device. The drum-type burn-in device is rotatably mounted between the first and second working platforms and includes multiple planar sections circumferentially mounted thereto with each planar section having at least one burner mounted thereon. This arrangement allows a parts feeding device to sequentially dispose unburned ICs and a parts transferring device to sequentially pick up completely-burned ICs. As such, the drum-type burn-in device helps increase the number of ICs disposed and also helps improve the throughput and increase the manufacturing speed.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: June 20, 2017
    Inventor: An-Sung Wang