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Patent # Description
US-7,990,157 Card for simulating peripheral component interconnect loads
A card for simulating peripheral component interconnect (PCI) loads of a computer motherboard uses a PCI interface to be inserted into a PCI slot of the...
US-7,990,156 Method and apparatus for measuring degradation of insulation of electrical power system devices
A method for measuring degradation of electrical power system device insulation utilizes a conductive composite sensor. A selected polymeric matrix of the...
US-7,990,155 Heavy duty battery system tester and method
A systematic method and system for testing the charging and starting systems of a vehicle, which requires each individual test to pass before proceeding is...
US-7,990,154 Cell voltage detecting apparatus
The present invention provides an easy to produce cell voltage detecting apparatus using a semiconductor having low voltage endurance. In the cell voltage...
US-7,990,153 Compensated directional resistivity measurements
A method for making directional resistivity measurements includes sequentially transmitting first and second axial and transverse electromagnetic waves in a...
US-7,990,152 Locating arrangement and method using boring tool and cable locating signals
An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a...
US-7,990,151 Tri-pod buried locator system
A portable self-standing electromagnetic (EM) field sensing locator system with attachments for finding and mapping buried objects such as utilities and with...
US-7,990,150 Multifrequency locating arrangement with frequency designation
In a system in which a transmitter is moved through the ground in a region, the system including a locating arrangement for tracking the position of and/or...
US-7,990,149 MR involving high speed coil mode switching between I-channel linear, Q-channel linear, quadrature and...
Hybrid circuitry (40, 40', 40'') for operatively coupling a radio frequency drive signal (70) with a quadrature coil (30) is configurable in one of at least two...
US-7,990,148 Cooled NMR probe head and NMR analyzer
An object of the present invention is to provide a cooled NMR probe including an antenna coil and capable of decreasing an operation temperature of the antenna...
US-7,990,147 System and method for electrically contacting local coils with a signal processor remote therefrom in a...
In a contacting system and method for contacting magnetic resonance local coils with a unit for additional signal processing of a magnetic resonance data...
US-7,990,146 Birdcage-like transmitting antenna for MRI
A transmission antenna for magnetic resonance applications has a birdcage-like structure that includes antenna rods proceeding between first and second...
US-7,990,145 Digitized MR signal data encoding with dynamically variable bit rate
A digital receiver circuit includes an encoder (104) for encoding a digitized magnetic resonance signal is disclosed herein. The digitized magnetic resonance...
US-7,990,144 Multi-channel birdcage body coil for magnetic resonance imaging
A birdcage multi-channel body coil has a number of coil units that form a cylindrical shape, and they are connected in succession in the circumferential...
US-7,990,143 NMR machine comprising solenoid gradient coils
The nuclear magnetic resonance machine comprises a device (101) for creating an intense main magnetic field B.sub.0 in a useable interior space (109) in the...
US-7,990,142 MRI apparatus generating deformed binomial pulse waveforms based on flip angle
An MRI apparatus has a waveform setting unit, an applying control unit, a reconstructing unit, and a display control unit. The waveform setting unit sets an...
US-7,990,141 Streamlined diagnostic MR imaging requiring only three control parameters of operator selected boundary conditions
In a method for operation of a magnetic resonance system, at least one control device is fashioned for image data acquisition and corresponding components, and...
US-7,990,140 MRI apparatus
A flip-angle calculating unit calculates a flip angle of a fat-suppression pulse by inputting scanning parameters read from a scanning-parameter storage unit...
US-7,990,139 Two-axis geo-magnetic field sensor with elimination of eefect of external offset magnetic fields
Disclosed is a small-sized two-axis magnetic field sensor having a function to cause a magnetic field canceling an external offset magnetic field. The two-axis...
US-7,990,138 Probe for analysis of a string of rods or tubes in a well
The invention concerns a probe for analysis of a collection of rods or tubes comprising an elongated casing which bears, at a first end, at least one first...
US-7,990,137 Device of evaluating magnetic read head and method of evaluating magnetic read head
An MR element having a magnetically free layer and a magnetic bias layer that applies a bias magnetic field to the magnetically free layer are included....
US-7,990,136 Variable reluctance position sensor
A variable reluctance analog position device designed to determine the position variation of a target made from a ferromagnetic material. The device includes at...
US-7,990,135 Apparatus and method for detecting position of magnetic element
An exemplary apparatus for detecting whether a magnetic element is mounted at a correct position on a retaining member is provided. The apparatus includes a...
US-7,990,134 Correcting circuit, correcting method, and sensor apparatus
A correcting circuit includes a correction current synthesizer synthesizing a correction current based on an output signal of a sensor, a current adjuster...
US-7,990,133 Non-intrusive electric alternating current sensor
A method and a current sensor for measuring current in a conductor are provided. The current sensor has a flexible coil having a first end and a second end and...
US-7,990,132 Current sensor including an integrated circuit die including a first and second coil
A current sensor includes a coils located within the integrated circuit die and inductively coupled to a conductor located in the integrated circuit package...
US-7,990,131 Device and method for measuring a first voltage and a second voltage by means of a differential voltmeter
The invention relates to a method and a device for measuring a first voltage and a second voltage by means of a differential voltmeter. The differential...
US-7,990,130 Band gap reference voltage circuit
Provided is a band gap reference voltage circuit having an improved power supply rejection ratio. Owing to a voltage supply circuit (51), a power supply voltage...
US-7,990,129 Reference voltage generating circuit
A reference voltage generating circuit provides a stabilized reference voltage and includes; a clock generator providing a clock signal, a high voltage...
US-7,990,128 Circuit and method for pulling a potential at a node towards a feed potential
Embodiments of the invention concern a circuit for pulling a potential at a node towards a feed potential which is present at a potential feed. The circuit has...
US-7,990,127 Method and apparatus for AC to DC power conversion with reduced harmonic current
A method and apparatus are disclosed for controlling a buck converter. In one aspect, an integrator is coupled to receive a current sense signal representative...
US-7,990,126 Low power DC-DC converter with improved load regulation
A voltage converter includes, among other things, an amplifier, a voltage combiner, and a hysteretic comparator. The amplifier has a first input terminal which...
US-7,990,125 Method and apparatus to limit output power in a switching power supply
Techniques are disclosed to adjust a current limit in a switching regulator. One example switching regulator includes a comparator having first and second...
US-7,990,124 Power supply circuit
A power supply circuit for a motherboard includes a VRM, a first NMOS transistor, a second NMOS transistor, a first capacitor, a first induction coil, and a...
US-7,990,123 DCDC converter with soft-startup and soft-transition for adjustable output voltage
A method and exemplary apparatus that incorporate soft-start circuit together with adjustable output voltage control are introduced. By implementing a gradual...
US-7,990,122 Digital control switching power-supply device and information processing equipment
To provide a digital control switching power-supply device capable of suitably achieving fast transient response at the time of a sudden load change. In...
US-7,990,121 Synchronous rectification switching regulator, control circuit thereof, and method of controlling the operation...
A synchronous-rectification-type switching regulator is disclosed that includes a first switching element; an inductor charged with a voltage input to an input...
US-7,990,120 Circuits and methods for adjustable peak inductor current and hysteresis for burst mode in switching regulators
Switching regulator circuits and methods are provided for regulating output voltage that include an adjustable minimum peak inductor current level and...
US-7,990,119 Multimode voltage regulator circuit
A multimode voltage regulator circuit includes a linear regulator sub-circuit configured to supply current to a load in a low-current mode, responsive to a...
US-7,990,118 Switching regulator with high efficiency in light load mode
An exemplary switching regulator, is provided. The switching regulator includes an oscillator, a PWM logic controller, an inductor, a capacitor, a switch, a...
US-7,990,117 Low-loss control of DC-DC converters in an energy storage system
An energy storage system including a buck-boost DC-DC converter operable so as to minimize switching loses. The system includes a first energy storage device,...
US-7,990,116 Modulator with linear period stretching capability
A modulator for use with a voltage regulator includes an input for receiving an input voltage, an output for providing a periodic triangular wave form and at...
US-7,990,115 High frequency generator without rotating diode rectifier
A high frequency starter-generator system uses an electric machine design that does not employ rotating rectifiers installed on the rotor. The output frequency...
US-7,990,114 Overload control of an electric power generation system
A control system for an electrical power generation system (EPGS) provides overload protection without disconnecting a generator of the EPGS from an excessive...
US-7,990,113 Method for smoothing alternating electric current from a number of power generating units and wind power plant...
A method and a wind power plant are provided for smoothing alternating electric current from a number of power generators. Generators are electrically connected...
US-7,990,112 Adaptive field control of a variable frequency synchronous generator
A voltage regulator with an adaptive field discharge control system may use the rate of change of the POR voltage, the rate of change of the output current and...
US-7,990,111 Method and apparatus for detecting internal electric state of in-vehicle secondary battery
In a proposed apparatus and method, constant-voltage charge is performed with an in-vehicle secondary battery immediately after start of a vehicle or during...
US-7,990,110 Circuits and related methods for charging a battery
An aspect of the present invention provides a circuit for generating a voltage that can be used to recharge a battery. The circuit includes an inductive voltage...
US-7,990,109 Temperature and polarization voltage compensation system
A control module for a battery that powers a load includes a compensation module that adjusts a shutoff voltage based on voltage and impedance of the battery...
US-7,990,108 Charge detector
The subject matter of this specification can be embodied in, among other things, an apparatus that includes a battery system, which includes at least one cell...
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