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Patent # Description
US-8,076,933 Method for determining wettability of an oil reservoir
A method for determining wettability of an earth formation zone surrounding a borehole, including the following steps: introducing paramagnetic ions into the...
US-8,076,932 Device and method for measuring the position of a mobile part
A device for measuring the position of a mobile part (4), includes: at least one magnetic node (10) capable of modulating the amplitude of an excitation...
US-8,076,931 Current and magnetic field sensors, control method and magnetic core for said sensors
The invention relates to a magnetic field sensor comprising at least one magnetic core (10) in which the magnetic cycle of the magnetic core is characterised in...
US-8,076,930 Thin film 3 axis fluxgate and the implementation method thereof
There is provided a thin film tri-gate fluxgate for detecting a component of a magnetic field in directions of three axes, the thin film tri-gate fluxgate...
US-8,076,929 Device and method for detecting an anomaly in an assembly of a first and a second object
A method for detecting an anomaly in an assembly of a first and a second object of electrically conductive material forming an intermediate space between them,...
US-8,076,928 System and method for in-situ integrity and performance monitoring of operating metallic and non-metallic...
An operational monitoring system for use in communications, and a method thereof, for operational, systems or integrity management of pipeline infrastructures...
US-8,076,927 Magnetic-field sensor and method of calibrating a magnetic-field sensor
An embodiment of a magnetic-field sensor has a plurality of sensor elements connected to form measurement arrangements, each measurement arrangement having a...
US-8,076,926 Rotary switch memory for digital multimeter
A digital multimeter comprises a rotary switch and a rotary switch memory. The rotary switch can be moved between a plurality of positions to change the...
US-8,076,925 Optical sensor assembly for installation on a current carrying cable
An optical sensor assembly has a base unit, an optical current sensor, and a magnetic concentrator. The optical current sensor is mounted on the base unit and...
US-8,076,924 Substance identification and location method and system
This invention relates to a method and system for remote detection of a targeted substance by the appropriate application of a probing signal that induces...
US-8,076,923 Dead-line phase identification system and method thereof
A system and method for dead-line conductor phase identification is provided. The system includes a receiver unit having a set of current sensors, such as...
US-8,076,922 Inductor assembly having a core with magnetically isolated forms
An embodiment of an inductor assembly includes a core, a first conductor, and a second conductor. The core includes first and second members, a first group of...
US-8,076,921 Self-regulating power supply for micro electronic mechanical systems thermal actuators
Systems and methods for a self-regulating power supply for MEMS thermal actuators to achieve maximum actuator displacement while preventing over powering. The...
US-8,076,920 Switching power converter and control system
A switching power converter tracks a time-varying input voltage during each cycle of the input voltage to provide power factor correction. The switching power...
US-8,076,919 Switch-mode power supply
Disclosed is a Power Factor Correction Controller, which comprises a boost converter, a current sensing unit, an arithmetic unit, and a switch driving unit. The...
US-8,076,918 Multi-phase driving circuit with phase adjusting function
A multi-phase driving circuit includes a single-phase pulse-width modulation (PWM) controller, a number of drivers, and a number of switch circuits connected to...
US-8,076,917 Buck switching regulator with improved mode transition and control method thereof
The present invention discloses a buck switching regulator with improved mode transition, and a method for controlling a buck switching regulator. The method...
US-8,076,916 Power supply module
A power supply module includes an inductor circuit, a switch circuit, a sensor circuit, and a controller. The inductor circuit includes an inductor and a...
US-8,076,915 Switching converter
To improve conversion efficiency at a DC-DC conversion time by providing driving units respectively for a plurality of switches and controlling the switches...
US-8,076,914 Switching regulator including low-pass filter configured to have time constant for step-up operation and time...
A switching regulator includes a step-down-and-step-up unit to convert an input voltage to a low voltage or to a high voltage in accordance with a control...
US-8,076,913 Voltage converters and voltage generating methods for generating output voltage signals according to a pulse...
A voltage converter is provided. The voltage converter generates an output voltage signal and comprises a controller, a wave generator, a comparator, and a...
US-8,076,912 Semiconductor integrated circuit and method of controlling MEMS-type variable capacitance capacitor
A first pump circuit generates a first voltage for decreasing the distance between primary electrodes. The first voltage is limited to a predetermined limit by...
US-8,076,911 Flash memory and related voltage regulator
A voltage regulator includes a voltage regulator unit configured to output a step voltage and a damping resistance switching unit coupled between a load and an...
US-8,076,910 Power factor correction using hierarchical context of a power monitoring system
Automated power factor correction analysis methods based on an automatically determined hierarchy representing how IEDs and transformers are linked together in...
US-8,076,909 Method and system for monitoring the condition of generator end windings
A method and system for monitoring the operating conditions of an electric generator. The system includes a triad sensor array formed within a predetermined...
US-8,076,908 Method for controlling a vehicle electric system including a storage capacitor for brief supply of electrical...
A method for controlling the electrical system of a motor vehicle with a generator, a battery to supply the electrical system, at least one load and a storage...
US-8,076,907 Method and apparatus for exporting power in a renewable energy system employing a battery charger
A method of charging a battery in a system involving a renewable energy source and operable to supply at least some electrical energy from the renewable energy...
US-8,076,906 Battery system configured to survive failure of one or more batteries
The battery system includes a battery pack having a plurality of power sources arranged in parallel groups that are connected in series. Each parallel group...
US-8,076,905 Battery charging method and device thereof
A battery charging method and device thereof are disclosed. The method includes the following steps. First, a charging current is supplied into a plurality of...
US-8,076,904 Circuit for detecting remaining battery capacity
A disclosed circuit for detecting remaining battery capacity includes: a current detection unit detecting a charge and discharge current of a battery; a...
US-8,076,903 Electric power storage and delivery system and method of operation
An electrical energy storage and delivery system for supplying electrical energy to a system load and method of operation. The system including an energy...
US-8,076,902 Charger
A charger capable of clamping portable communication device is provided. The charger includes a body, a securing portion, and at least one elastic element,...
US-8,076,901 Charging system and method for electronic device controlled by audio output
A charging system and method for an electronic device controlled by audio output are used for controlling an external charging power supply to charge the...
US-8,076,900 Portable battery charger
A portable battery charger, comprising a base assembly housing a first electrical system. The first electrical system comprises a first rechargeable battery...
US-8,076,899 Valve timing control apparatus
An electric power supply driver executes duty control of turning on and off of a selected switching element to supply electric power to a corresponding stator...
US-8,076,898 Method of brushless DC motor control and its application
The invention relates to electric engineering, in particular to methods for controlling an ac electronic motor. The inventive control method consists in...
US-8,076,897 AC motor driving circuit and electric vehicle driving circuit
In an AC motor driving circuit, a current source rectifier is provided on the output side of an AC generator and an AC motor is connected to the output side of...
US-8,076,896 Inverter controller and method for operating the same
An inverter controller comprising an AC motor as a load. A rectifying circuit converts AC power from an AC power source into DC power. A smoothing capacitor...
US-8,076,895 Method and device for generating signals for controlling multi-phased rotating electric motor
A method wherein the signals (SW1, Sw2, Sw3) controlling the power supply (10) of the phase windings (4) of the motor consist of signals (So1, So2, So3) that...
US-8,076,894 Superconductive rotating electric machine drive control system and superconductive rotating electric machine...
The present invention provides a superconductive rotating electric machine drive control system that has higher efficiency and is smaller size and lighter in...
US-8,076,893 Displacement actuation and sensing for an electrostatic drive
An electrostatic drive includes a first electrode and a second electrode responsive to a drive signal. The drive signal includes an actuation signal constituent...
US-8,076,892 Stator position adjustment method, motor drive device and stator position adjustment system
A stator position adjustment method for a motor drive device that includes a motor case, a rotor shaft supported by the motor case in order to rotate a rotor...
US-8,076,891 Motor controller
A motor controller drives and controls a motor to drive a shaft subject to gravity. The motor controller includes a PI control unit which controls the velocity...
US-8,076,890 AC motor driving apparatus and control method
Provided is an AC motor driving apparatus and an AC motor control method capable of utilizing the conventional PWM system as-is even in an ultra-compact AC...
US-8,076,889 Support device
A support device adjustable in 3-DOF includes a base, a pitching arm, a rolling arm, a yawing arm, a pitching drive unit, a rolling drive unit, a yawing drive...
US-8,076,888 Method for protecting an electronic device driven by DC motor and circuit for detecting positioning signals thereof
A method for protecting an electronic apparatus driven by a DC motor and a detection circuit for detecting positioning signals thereof. The electronic device...
US-8,076,887 Wiper controller
A wiper controller which detects the raindrops adhered onto the windshield glass G of the vehicle to control the wiper based on the detected result is provided...
US-8,076,886 Device and a method for providing electrical energy to an actuator, and an actuator system
A method for providing electrical energy to an actuator is disclosed. In at least one embodiment, the method includes having a first voltage (UBUS) from a data...
US-8,076,885 Integrated overload and low voltage interrupt module
A power management module for a winch system comprises an overload and low voltage interrupt module within a housing. The overload interrupt determines...
US-8,076,884 Control apparatus for electric vehicles
A motor control apparatus for an electric vehicle has an AC motor system including a power conversion unit and a motor/generator. The power conversion unit...
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