Wednesday, June 19, 2013 Last update: 2:36 PM
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Measuring

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USPTO Class 324 - Electricity: measuring and testing
Updated: 2 days 3 hours ago

Magnetic sensor with low electric offset

Mon, 03/04/2013 - 2:35pm
A magnetic sensing system, including: a magnetic component proximate a movable mechanical component; and a magnetic sensor configured to determine a movement of the mechanical component based on a magnetic field produced by the magnetic component. The magnetic sensor includes: a low-offset magnetic sensing element; a high-sensitivity magnetic sensing element;...
Categories: Electronics

Mr sensor with back edge flux guide

Mon, 03/04/2013 - 2:35pm
An MR sensor, and a method for making it, is described. Part of the MR stack, from the free layer on up, is removed and then replaced by a flux guide. Additional stabilizing means for this flux guide are provided, either as hard bias or through exchange coupling....
Categories: Electronics

Semiconductor fluxgate magnetometer

Mon, 03/04/2013 - 2:35pm
A fluxgate magnetometer is formed in a semiconductor wafer fabrication sequence, which significantly reduces the size and cost of the fluxgate magnetometer. The semiconductor wafer fabrication sequence attaches a die, which has drive and sense circuits, to the bottom surface of a cavity formed in a larger structure, and forms...
Categories: Electronics

Method and apparatus for detecting a magnetic characteristic variable in a core

Mon, 03/04/2013 - 2:35pm
A technique is provided for detecting a magnetic characteristic variable in particular the magnetic field strength in a section of a core permeated by a magnetic flux. A portion of the magnetic flux is branched off from the core and passed via a magnetic shunt branch, in which at least...
Categories: Electronics

Magnetic resonance imaging apparatus

Mon, 03/04/2013 - 2:35pm
The present invention provides an image processing technique which enables various contrast control, by quantitatively handling a degree of phase enhancement in a contrast control as a post-processing of the image reconstruction. A complex operation is performed on each pixel value of a complex image obtained by an MRI, thereby...
Categories: Electronics

Sampling pattern for iterative magnetic resonance image reconstruction

Mon, 03/04/2013 - 2:35pm
In a method to generate magnetic resonance (MR) images of an examination subject, MR signals are detected simultaneously with multiple coils, each coil having its own coil characteristic. In the detection of the MR signals, raw data space is incompletely filled with MR signals; with raw data space being undersampled...
Categories: Electronics

Helical gradient coil for magnetic resonance imaging apparatus

Mon, 03/04/2013 - 2:35pm
A gradient coil is provided. The gradient coil comprises: a first layer comprised of a first plurality of turns of wires; and a second layer of coil comprised of a second plurality of turns of wires. Each turn of wire in the first and second plurality of turns of wires...
Categories: Electronics

Iterative reconstruction method with penalty terms from examination objects

Mon, 03/04/2013 - 2:35pm
A method is disclosed for calculating an MR image of a target layer from an examination object, wherein the MR image is calculated using iterative reconstruction. In at least one embodiment, the method includes: acquiring MR data from an initial layer of the examination object, determining information produced by the...
Categories: Electronics

Methods, systems, and devices for intra-scan motion correction

Mon, 03/04/2013 - 2:35pm
Systems, methods, and devices for intra-scan motion correction to compensate not only from one line or acquisition step to the next, but also within each acquisition step or line in k-space. The systems, methods, and devices for intra-scan motion correction can comprise updating geometry parameters, phase, read, and/or other encoding...
Categories: Electronics

Device and method for detecting an underground power line

Mon, 03/04/2013 - 2:35pm
A device for detecting an underground power line includes, for example, a sensor unit that has a magnetic field sensor element that is configured for receiving a received signal depending on the features of the power line and the underground, a control and evaluation unit configured for controlling the sensor...
Categories: Electronics

Stun device testing apparatus and methods

Mon, 03/04/2013 - 2:35pm
A method of testing an electric discharge stun device includes the steps of identifying a stun device to be tested and absorbing a discharge from the stun device into a tester. The discharge is characterized by a discharge characteristic that is then compared automatically to information such as (a) a...
Categories: Electronics

Combinatorial material screening method for an electrochemical cell

Mon, 03/04/2013 - 2:35pm
An electrochemical test cell, containing an anode comprising a metal as an active component; a cathode comprising a porous chemically inert tube containing an active material compatible with the metal of the anode; and an electrolyte; wherein the only metal in contact with the electrolyte is the metal of the...
Categories: Electronics

Switch, charge monitoring apparatus and rechargeable battery module

Mon, 03/04/2013 - 2:35pm
Disclosed herein is a switch for turning on/off the connection between a first terminal and a second terminal. The switch includes a first transistor circuit configured from two transistors connected in series between the first terminal and the second terminal; and a second transistor circuit having a gate terminal connected...
Categories: Electronics

Battery management

Mon, 03/04/2013 - 2:35pm
Battery management may be provided. First, a battery string in a battery bank may be charged for a charge time. After charging the battery string, the battery string may be isolated from charging for a rest time. Once the charging and resting from charging is complete, a test open circuit...
Categories: Electronics

Battery stack cell monitor

Mon, 03/04/2013 - 2:35pm
A battery monitor system for determining a cell voltage between a low side contact and a high side contact of a cell in situ as one of a plurality of cells connected in series to form a battery. The system uses an arrangement of switches and capacitors to shift relatively...
Categories: Electronics

Real-time short-circuit detection

Mon, 03/04/2013 - 2:35pm
Presented are circuits and methods for providing real-time short-circuit detection, capable of detecting a short-circuit prior to occurrence of an over-limit current event. Such a circuit can be used to provide real-time short-circuit detection for a switched-mode system for a switched-mode system having a pre-driver and a power stage, and...
Categories: Electronics

Systems, methods, and apparatus for locating faults on an electrical distribution network

Mon, 03/04/2013 - 2:35pm
Certain embodiments of the invention include systems, methods, and apparatus for locating faults on an electrical distribution network. According to an example embodiment of the invention, a method is provided for locating faults on an electrical distribution network. The method can include monitoring, by one or more smart meters, a...
Categories: Electronics

In-situ cable unplug detector operating during normal signaling mode

Mon, 03/04/2013 - 2:35pm
An in-situ unplug detector circuit detects when a cable is disconnected or unplugged. Detection does not have to wait for normal signaling to pause, such at the end of a frame or timeout. Instead, detection occurs during normal signaling. When the cable is disconnected, the transmitter no longer drives the...
Categories: Electronics

Measuring device and a method for measuring a chip-to-chip-carrier connection

Mon, 03/04/2013 - 2:35pm
A measuring device is provided: the measuring device including: a power supply configured to provide electric power to a chip via at least one of a chip connection and a chip-carrier connection; a chip arrangement receiving portion configured to receive a chip arrangement, the chip arrangement including a chip and...
Categories: Electronics

High speed data bus tester

Mon, 03/04/2013 - 2:35pm
A circuit for testing a high speed data bus comprises a test port, a data bus port, a signal generator, a polarity monitor, and an attenuation monitor. The test port is coupled to a test controller. The data bus port is coupled to the data bus. The signal generator may...
Categories: Electronics