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Patent # Description
US-7,994,808 Contact insert for a microcircuit test socket
A system for testing a microcircuit having a center ground (CG) terminal has an insert for electrically connecting the CG terminal to a ground contact on a load...
US-7,994,807 Built-in test circuit for testing AC transfer characteristic of high-speed analog circuit
An analog device under test circuit and a built-in test circuit for testing an AC transfer characteristic of the analog device under test are fabricated on an...
US-7,994,806 System and method for testing embedded circuits with test islands
Embodiments of the present disclosure relate to a system and method for testing an embedded circuit in a semiconductor arrangement as part of an overall circuit...
US-7,994,805 Electromagnetic interference testing device
A testing device includes a shielding case and a driving member opening and closing the shielding case. The shielding case includes a receiving space for...
US-7,994,804 Electronic component tester
The electronic component tester includes: a socket configured to supply power to connection terminals for operating an electronic component; an electronic...
US-7,994,803 Calibration substrate
A calibration substrate includes a plurality of input terminals, a detector coupled to the input terminals, and an output terminal. The calibration substrate...
US-7,994,802 Apparatus for examining or monitoring plants
An apparatus (1) is used to examine or monitor the state or state of health of plants (2) with the aid of a bipolar electrode (4) which uses its at least two...
US-7,994,801 Calibrated S-parameter measurements of a high impedance probe
A new methodology for the measurement of the S-parameters of a high impedance probe allows obtaining a full two port S-parameter set for the high impedance...
US-7,994,800 Systems and methods for online phase calibration
A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation...
US-7,994,799 Insulation resistance detection system, insulation resistance detection apparatus and insulation resistance...
An insulation resistance determining system (50) comprises an insulation resistance determining portion configured by connecting a coupling capacitor (52), a...
US-7,994,798 Power converter current sensor testing method
A method of testing power converter current sensors is disclosed. The method may include receiving a current sensor test request and receiving measured currents...
US-7,994,797 Implementing a coded time domain transmission distance meter
A method and circuit for implementing a coded time domain transmission distance meter, and a design structure on which the subject circuit resides are provided....
US-7,994,796 Circuit arrangement and method for monitoring the function of a vibration level switch and/or a fill level...
The subject matter relates to a circuit arrangement for monitoring the function of a fill level measuring apparatus, and particularly of a vibration level...
US-7,994,795 Shore power cord ground wire current detector
A current detector and indicator unit are coupled to a shore power cord for monitoring for corrosion-causing galvanic current on the ground wire of the power...
US-7,994,794 Methods for measuring a set of electrical characteristics in a plasma
Methods using a probe apparatus configured to measure a set of electrical characteristics in a plasma include providing a chamber wall including at least a set...
US-7,994,793 Jig for detecting position
A transfer point of a transfer arm is detected accurately and stably by using a position detecting wafer having an electrostatic capacitance sensor. A position...
US-7,994,792 Electric field sensor for marine environments
A sensor (S) for marine measurements of an electric field, the sensor (S) including at least two electrodes (3, 4); signal transmission means (5) for...
US-7,994,791 Resistivity receiver spacing
A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The...
US-7,994,790 Electromagnetic and magnetostatic shield to perform measurements ahead of the drill bit
A transmitter on a bottomhole assembly (BHA) is used for generating a transient electromagnetic signal in an earth formation. A pair of receivers on the BHA...
US-7,994,789 Dual field search coil for pulse induction metal detectors
A new dual field search coil for pulse induction metal detectors has multiple coplanar wire coils of different diameters connected in series with the output of...
US-7,994,788 Short hybrid microstrip magnetic resonance coils
A hybrid microstrip coil for magnetic resonance imaging including a microstrip assembly aligned in the superior/inferior (S/I) direction. In one example, the...
US-7,994,787 Superconducting magnet, magnetic resonance imaging apparatus, and method of calculating coolability of cryo-cooler
An MRI apparatus is provided in which a heat quantity penetrating into the helium tank of a superconducting magnet can be grasped to select a cryo-cooler to be...
US-7,994,786 System and method for use of nanoparticles in imaging and temperature measurement
This invention provides a system and method that improves the sensitivity and localization capabilities of Magnetic Particle Imaging (MPI) by using combinations...
US-7,994,785 Method for simultaneously measuring T2* and diffusion with magnetic resonance imaging
A method for measuring the apparent transverse relaxation time ("T*.sub.2") and apparent diffusion coefficient ("ADC") of a hyperpolarized gas in a single...
US-7,994,784 Systems and methods for rescaling image intensities with diffusion MRI to synthesize complex diffusive geometries
A method for scaling MR signal intensity after noise has been removed is disclosed. Because the signal in a DTI series varies with the apparent diffusivity in...
US-7,994,783 Integrated microchip incorporating atomic magnetometer and microfluidic channel for NMR and MRI
An integral microfluidic device includes an alkali vapor cell and microfluidic channel, which can be used to detect magnetism for nuclear magnetic resonance...
US-7,994,782 Magnetic detection circuit
A magnetic detection element is employed. An output voltage from the magnetic detection element is amplified by an amplifying circuit. A switch circuit is...
US-7,994,781 Eddy current sensor with concentric segments
Reference standards or articles having prescribed levels of damage are fabricated by monitoring an electrical property of the article material, mechanically...
US-7,994,780 System and method for inspection of parts with an eddy current probe
An inspection system for detecting a flaw in a part is provided. The inspection system includes a generally C-shaped core having an opening for receiving the...
US-7,994,779 Method for continuously determining the tensile force F in a cable of a parking brake
Presented is a method for continuously determining the tensile force F in a cable of a parking brake that includes transmitting the tensile force F to a cable...
US-7,994,778 Inductive presence or position sensor for detecting both ferrous and non-ferrous metals
An inductive sensor or detector includes as its sensitive element, preferably defining a front working plane of the sensor, a coil system forming an air-core...
US-7,994,777 Apparatus and methods for an inductive proximity sensor
An inductive proximity sensor is disclosed. The proximity sensor includes a housing having at least a first pair of inductive coils disposed within the housing....
US-7,994,776 Failure detection apparatus for resolver
A failure detection apparatus for a resolver outputting a sine signal indicative of sin .theta. and a cosine signal indicative of cos .theta. according to a...
US-7,994,775 Magnetic sensor
A magnetic sensor comprises a read head, a position identification scale and a motion identification scale. The read head is provided with a position sensing...
US-7,994,774 Methods and apparatus for an analog rotational sensor having magnetic sensor elements
A sensor includes a magnetic position sensing element to generate angular position information, a first signal generator, a second signal generator, a first...
US-7,994,773 Apparatus and method for in-field magnetic measurements
A magnetic field verifier apparatus includes a magnetic field detection element configured to produce a voltage signal in response to an applied magnetic field...
US-7,994,772 Remote transmitter for analogue gauges
In a method for converting an analogue measurement indication into electric signals, the angle of rotation of the pointer of an analogue display is contact free...
US-7,994,771 Current measurement circuit, current detection circuit and saturation prevention and recovery circuit for...
A current measurement circuit includes: a constant-voltage loop circuit including an operational amplifier, and a first resistor for current detection connected...
US-7,994,770 Transmitter of a system for detecting a buried conductor
A system for detecting a buried conductor comprises a transmitter for generating a test signal in the buried conductor and a detector for detecting an...
US-7,994,769 Switching regulator and control circuit thereof
Multiple switching transistors are provided in parallel. An output circuit includes an inductor, an output capacitor, and a rectifying device. A pulse modulator...
US-7,994,768 Control apparatus and method of senseless MPPT control for photovoltaic power generation system
The present invention relates to a senseless MPPT control apparatus of a photovoltaic power generation system and a method thereof. The control apparatus...
US-7,994,767 Control device for transient recovery of DC-DC converters
A control device for fast transient recovery of the output voltage of DC-DC converters. The control device is characterized by using a dual-threshold method to...
US-7,994,766 Differential current sensor device and method
A current sensor having a pair of sense transistors is disclosed. The sense transistors sense a current conducted by a power transistor of a voltage regulator....
US-7,994,765 Power supply device
A power supply device, comprising first and second lead terminals for connection with a load, a fuel cell, an energy storage element connected between the first...
US-7,994,764 Low dropout voltage regulator with high power supply rejection ratio
A low dropout voltage regulator includes an error amplifier, a voltage divider, and a voltage reference/amplifier circuit. The error amplifier has first and...
US-7,994,763 DC-DC converter circuits, and methods and apparatus including such circuits
Electrical power from an input voltage supply is converted to first and second output voltages of opposite polarities using a single inductor (L) and only four...
US-7,994,762 DC to DC converter
A DC to DC converter comprising an inductor, first and second electrically controllable switches and a controller, wherein the first electrically controllable...
US-7,994,761 Linear regulator with RF transistors and a bias adjustment circuit
A regulator comprising a linear regulator. The linear regulator may comprise a preamplifier, a first radio frequency (RF) transistor and a second radio...
US-7,994,760 Regulation scheme for a charge pump
A boost regulator system for regulating one or more output voltages includes, a first pump element coupled to receive a first input voltage, a first switching...
US-7,994,759 System and method for driving a power supply device in an initial activation stage
The present application describes a system and method for driving a power supply device in an initial activation stage. In one embodiment, the method comprises...
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