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Patent # Description
US-6,924,646 System and method for locating a fracture in an earth formation
The invention relates to techniques for locating and determining the orientation of a fracture in an earth formation. Systems and methods for detecting a...
US-6,924,645 Position and orientation locator/monitor
The present invention provides a locator/monitor capable of locating a boring tool and monitoring the progress of the tool for control purposes. The...
US-6,924,644 Radiofrequency surface detection coil
According to the invention, a magnetic field gradiometer detector for detecting a material of interest positioned in a detecting region outside the detector...
US-6,924,643 Magnetic resonance imaging using direct, continuous real-time imaging for motion compensation
Magnetic resonance imaging (MRI) uses direct, continuous, unaliased, real-time imaging for motion compensation. Unaliased, real-time two dimensional (2D) images...
US-6,924,642 Magnetorestrictive transducer for generating and measuring elastic waves, and apparatus for structural...
Disclosed is a magnetostrictive transducer for generating and receiving elastic waves in a testing plate and an apparatus for structural diagnosis using the...
US-6,924,641 Method and apparatus for monitoring a metal layer during chemical mechanical polishing
A sensor for monitoring a conductive film in a substrate during chemical mechanical polishing generates an alternating magnetic field that impinges a substrate...
US-6,924,640 Oil and gas well tubular inspection system using hall effect sensors
An inspection system for detecting flaws in oil and gas well borehole ferromagnetic tubulars. The inspection device operates inside the tubular by first...
US-6,924,639 Position determination device using magnetoresistive element
In a position detecting device for a rotor, such as a camshaft gear, a magnet sensor is constructed of first, second, third, and fourth MRE bridges. The bridges...
US-6,924,638 Arrangement for mounting rotation speed sensor to wheel bearing assembly
A rotation speed sensor can be detachably mounted to an outer member of a wheel bearing assembly. A sensor holder is a leaf spring folded in two and has upper...
US-6,924,637 Integrated circuit characterization printed circuit board, test equipment including same, method of fabrication...
An integrated circuit characterization printed circuit board and method are provided for improving the uniformity of impedance introduced by a test fixture...
US-6,924,636 System for testing one or more groups of IC-chips while concurrently loading/unloading another group
An electromechanical system for testing IC-chips includes a total of N chip holding subassemblies, where N is an integer greater than one and where each chip...
US-6,924,635 IC tester for preventing damage from electrostatic discharge and operation method thereof
An IC tester for preventing damage from electrostatic discharge (ESD) and operation method thereof. The IC tester contains a temperature control oven chamber, an...
US-6,924,634 Power supply with feed forward circuit
In those conventional arts, a power supply with a voltage holdup circuit generates a peak voltage in output voltage when a switching operation is occurred, and...
US-6,924,633 Pulse width modulation controller with double pulse immunity
A pulse width modulation (PWM) controller includes a shutter circuit interposed between a PWM modulator and a driver circuit. The shutter circuit receives a raw...
US-6,924,632 Frequency/signal converter and switching regulator having such a converter
A frequency/signal converter is provided that receives an input clock signal and generates an output signal. The converter includes a first circuit that receives...
US-6,924,631 Limiting ring current in short circuit between adjacent partial wingings by increasing leakage impedance
Apparatus for regulating an electric voltage in at least one of electric supply networks and consumer units. The apparatus includes a regulating transformer...
US-6,924,630 Buck-boost power factory correction circuit
A buck-boost switching converter includes a soft-switching circuit coupled across the boost switch, controlled to establish a short-circuit across the boost...
US-6,924,629 Device and method for controlling a generator
A device and a method for the control of a generator, for example a claw-pole generator, with which the rectifier bridge connected to the generator can be...
US-6,924,628 Method and system for operating a generator using a dynamic capability curve
Method and system are provided for operating a generator using a dynamic capability curve. In one embodiment, the method allows providing a family of static...
US-6,924,627 Method of reactive power regulation and aparatus for producing electrical energy in an electrical network
A method of reactive power regulation in an electrical network in which electrical power is produced by an electrical generator preferably driven by the rotor of...
US-6,924,626 Bootstrap capacitor charge circuit with limited charge current
A bootstrap capacitor charging circuit comprising a bootstrap capacitor, a semiconductor switch controlled by a control terminal, the control terminal coupled to...
US-6,924,625 Battery pack and method of detecting battery pack abnormalities
The battery pack is provided with a rechargeable battery that can be charged, and a protection device to protect the rechargeable battery when an abnormality...
US-6,924,624 Method and apparatus for slowing the discharge process of a battery
A battery unit including a battery (3) is equipped with a monitoring circuit (9) for detecting and evaluating operating variables related to charge state of the...
US-6,924,623 Method and device for judging the condition of secondary batteries and method for regenerating secondary batteries
The internal resistance related value which is related to the internal resistance of a secondary battery is compared with a previously obtained relation between...
US-6,924,622 Battery capacity measurement
A method of obtaining information relating to the charge capacity of one or more cells utilizing information from the initial discharge period of the cell or...
US-6,924,621 System and method for controlling electric load and battery charge in a vehicle
A load and battery charge device in a vehicle electrical system controllably disconnects a battery or other stored energy source from the electrical system when...
US-6,924,620 Battery, battery charger, electrical system and method of charging a battery
A battery, a battery charger, an electrical system, and a method of charging a battery. In one aspect, the battery includes a housing, a battery cell supported...
US-6,924,619 Charging system for charging electronic devices in garments
A charging system (100) for charging electronic devices. The charging system (100) includes a power distributor (110) and a power receiver (112) in which the...
US-6,924,618 Inverter controller for driving motor, and air conditioner
An inverter controller for driving a motor includes a rectifier having a reactor, an inverter, a capacitor, a generator which generates a voltage command value...
US-6,924,617 Position sensorless control algorithm for AC machine
A control system for an electric motor having a stator and rotor including an inverter for providing power to the electric motor, a controller for controlling...
US-6,924,616 Rotational driving apparatus
It is an object of the present invention to provide a rotational driving apparatus for a motor vehicle, which moves optical axis of headlights in response to a...
US-6,924,615 Magnetic encoder for powered window covering
A motor for turning the rod of an object such as a window covering is attached to an elongated ferromagnetic bar. Magnets are closely spaced from the bar, and as...
US-6,924,614 Opening and closing control device for opening and closing member of vehicle
An opening and closing device for an opening and closing member of a vehicle includes a driving motor, a feedback control unit for controlling an output duty to...
US-6,924,613 System and method for monitoring current and providing motor protection
A motor controller system comprises solid state switches for connection between an AC line and motor terminals for controlling application of AC power to the...
US-6,924,612 Three-wire reversing system
A three-wire reversing system for a permanent magnet, reversible, brush-type, direct current (DC) motor has a three-wire alternating current (AC) input voltage...
US-6,924,611 Brushless motor drive device
A Hall sensing circuit generates a positional detection signal representative of a positional relationship between a rotor and a phase coil of a motor. A signal...
US-6,924,610 Driving method and system for electrical rotating machine having two rotors using compound current
In driving method and system for an electrical rotating machine, the electrical rotating machine comprising two rotors, each rotor being independently driven by...
US-6,924,609 Control device/mechanism for a motor for adjusting a control unit
The invention relates to a control device for a motor for adjusting a control unit. A motor (5) that serves for adjusting a control unit (20) is shut off in a...
US-6,924,608 System and method for ignition and reignition of unstable electrical discharges
Systems and methods for ignition and reignition of unstable electrical discharges wherein a secondary electrode positioned is between a set of primary electrodes...
US-6,924,607 Method and apparatus for automatically shutting off a microscope
An apparatus for automatically turning off a source of illumination in a microscope, comprising a switch operatively arranged to control the illumination source,...
US-6,924,606 Low-visual noise, jitterized pulse width modulation brightness control circuit
A low visual noise, jitterized pulse width modulation brightness control circuit is provided. The circuit uses a brightness control signal generating unit to...
US-6,924,605 Combination voltage detector and LED flashlight
A combination electric field sensor and a flashlight with at least one main LED disclosed that uses a voltage multiple circuit that enables the use of a single...
US-6,924,604 Method of operating a discharge lamp system and a discharge lamp system using a combination radial and...
A discharge lamp system and method of operating a discharge lamp system in which vertical segregation of vapor phase species is reduced. Lamp power is modulated...
US-6,924,603 Hybrid electro luminescence panel and driving method thereof
A hybrid electro luminescence (EL) panel and a driving method thereof using advantages of an organic EL panel and inorganic EL panel. The panel includes a first...
US-6,924,602 Organic EL pixel circuit
A discharge transistor (TFT3) which connects the upper end of an organic EL element (EL) and a negative power source (VEE) and a control transistor (TFT4) which...
US-6,924,601 Display driver
A display driver comprises second and third MOSFETs for supplying reference currents equal to each other, a first current-input MOSET connected to the second...
US-6,924,600 Laser plasma generation method and structure thereof
In laser-plasma generation, a fluid of target material is jet out to form a jet tube target 21 having a diameter .phi. and a wall thickness .tau. with a shell...
US-6,924,599 Dielectric barrier discharge lamp with starting aid
In order to improve the starting of a dielectric barrier discharge lamp it is proposed to provide elements for igniting an auxiliary discharge inside the exhaust...
US-6,924,598 Apparatus for providing a kinetic lightning effect
An apparatus for providing a visual lightning effect includes a first chamber and a second chamber, where a passageway connects the first chamber and the second...
US-6,924,597 Plasma display panel
A plasma display panel is provided in which an operational quality is prevented from being deteriorated by resonance of a substrate. The plasma display panel...
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