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Patent # Description
US-8,138,756 Microfiber magnetometer
A magnetometer includes a tapered microfiber having a curved portion, an excitation laser in optical communication with the tapered microfiber, and a...
US-8,138,755 Enhanced wireless eddy current probe for a non-destructive inspection system
An enhanced wireless eddy current probe is disclosed which has means to wirelessly couple to a non-destructive inspection (NDI) system situated some distance...
US-8,138,754 Method and apparatus for testing characteristics of thin-film magnetic head
The characteristics of thin-film magnetic heads are evaluated by measuring, in a step and repeat method and apparatus, the magnetic field generated by the...
US-8,138,753 Measuring arrangement for detecting a 1/rotary momentum of an engine rotor, and associated method
A measurement system for detecting a rotary movement of a rotor that is situated in particular in rotatable fashion in a compressor housing of a jet engine,...
US-8,138,752 Rotation detection apparatus
A rotation detection apparatus for detecting a rotation state of a gear is disclosed. The rotation detection apparatus includes a magnetic sensor, a magnetic...
US-8,138,751 Magnetic rotation sensing for meter
Embodiments for rotation sensing are provided. A device may include a magnet apparatus including a first and a second magnet. The magnet apparatus may be...
US-8,138,750 Integrated electronic circuit
Disclosed is an integrated electronic circuit comprising a core circuit that generates a useful signal as well as a buffer for storing the useful signal. The...
US-8,138,749 Optical imaging and patterning based on a magnetically controlled ferrofluid
Methods, systems, and apparatus for optical imaging and patterning based on a magnetically controlled ferrofluid are described. One such system includes a...
US-8,138,748 Position sensor for evaluating axle positioning
A position sensor (PS) that is in position to deliver data for evaluating positioning data of an axle (OS) over a specified number of turns, where two...
US-8,138,747 Evaluation method for evaluating battery safety in the event of internal short circuit and evaluation apparatus...
The present invention relates to an internal short circuit evaluation method for a battery including an electrode group including a positive electrode plate, a...
US-8,138,746 Physical properties detection device and physical properties detection method
A physical properties detection device comprising a probe to be placed near or touching a surface of a ferroelectric; an oscillation loop including the probe...
US-8,138,745 Power transformer distribution network and method of operating same
The present invention is single- and multi-phase power distribution systems comprising a plurality of transformers. Each transformer is connected to another of...
US-8,138,744 Combined type transformer and buck-boost circuit using the same
Combined type transformer includes: a transformer core; first and second coils provided with respect to the transformer core; first and second inductor cores...
US-8,138,743 Band-gap reference voltage source circuit with switchable bias voltage
A band-gap reference voltage source circuit is constituted of a diode-pair circuit connected to a reference voltage output terminal, a first differential...
US-8,138,742 Semiconductor circuits capable of mitigating unwanted effects caused by input signal variations
Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an...
US-8,138,741 High voltage generator in semiconductor memory
A voltage generator is provided. The voltage generator includes a voltage pump and a voltage controller. The voltage pump generates a target voltage using a...
US-8,138,740 Non-linear compensation ramp for current mode pulse width modulation
A current mode direct current-to-direct current (DC-to-DC) voltage regulator controls its output voltage using a pulse width modulation (PWM) circuit that...
US-8,138,739 Circuits and methods for improving transient response of hysteretic DC-DC converters
A hysteretic DC-DC converter includes an observer circuit configured to generate an observer control signal for injection into the control loop of the...
US-8,138,738 Method for regulating supply voltage
According to the method for regulating the supply voltage of an electronic circuit a regulating element with variable resistivity and the outer supply voltage...
US-8,138,737 Duty cycle controller for power factor correction circuit
A power factor correction circuit includes a first rectifier to rectify an AC voltage, a series circuit connected to an output of the first rectifier and...
US-8,138,736 Power system having a local sense control dominant over a remote sense control to avoid effects of...
A power system is configured to provide a regulated voltage to an electrical load connected to a power source through at least one power line. The power system...
US-8,138,735 Low-voltage start up circuit and method for DC-DC boost converter
A start up circuit (4-1) for a boost circuit (10) includes an adjustable-duty-cycle oscillator (1-2) that turns on a switch transistor (M.sub.SW) connected to...
US-8,138,734 Accurate current limit for peak current mode DC-DC converter
A DC-DC converter includes a switching stage and a control circuit coupled to provide an accurate current limit for peak current mode for the DC-DC converter....
US-8,138,733 Control circuit for DC converter
A method of controlling at least one transistor of a DC voltage converter to regulate an output voltage of the DC converter, the method including determining...
US-8,138,732 DCR sense for a COT power converter
A DCR sense scheme is provided to sense the inductor current of a COT power converter. The DCR sense is implemented by using the direct current resistance of...
US-8,138,731 Power regulation for large transient loads
Methods and circuits for power supply arrangement and control are disclosed herein. In one embodiment, a power supply can include: (i) an input capacitor...
US-8,138,730 Voltage controller for vehicle using averaged status signal
In a voltage controller for a vehicle, voltage controlling means controls an output voltage of a power generator mounted on the vehicle and a terminal voltage...
US-8,138,729 Generation control apparatus for vehicles that controls current supply to a field winding of a generator to...
The present invention provides, as one aspect, a generation control apparatus for vehicles which controls current supply to a field winding of a generator to...
US-8,138,728 Method and apparatus for controlling electric power generation for vehicles
The present invention provides, as one aspect, an apparatus for controlling electric power generation for vehicles, which controls energization of an excitation...
US-8,138,726 Electronics with multiple charge rate
One or more buttons, located either on a battery pack or on an electronic device powered by the battery pack, that allow the user to charge the battery of a...
US-8,138,725 Simulated fast recharge of power supply
A fraction of the battery energy is kept in reserve during operational use of a battery-powered apparatus. The motor of the apparatus is switched off when the...
US-8,138,724 Battery pulse charging method and apparatus
Disclosed herein are some embodiments for safely charging a mobile system battery pack, even when the power source (e.g., adapter) voltage is at a relatively...
US-8,138,723 Remote battery charging system with dynamic voltage adjustment and method of use
In a remote battery charging system comprising a charging circuit there is always a voltage loss due to inherent resistances in the system from such things as...
US-8,138,722 Activating an information handling system battery from a ship mode
In some embodiments, a method for activating an information handling system battery without using AC power is provided. One or more switches associated with a...
US-8,138,721 Battery pack and charging method for the same
A battery pack and a charging method for the same. The battery pack automatically regulates the full-charge voltage of a battery according to deterioration of...
US-8,138,720 System and method for dual energy storage management
A dual-energy storage system is described, having two energy sources: (a) a fast-energy storage device (FES) such as an ultracapacitor, and (b) a long duration...
US-8,138,719 Battery state monitoring circuit and battery device
Provided are a battery state monitoring circuit and a battery device which are capable of inhibiting discharge without enabling an overdischarge cell balance...
US-8,138,718 Docking bay for conditionally supplying battery recharging energy to a vehicle utilizing non plug-in electrical...
Docking bays for providing energy to vehicles having a rechargeable battery are disclosed. A given docking bay includes a pair of normally de-energized,...
US-8,138,717 Electrical connection between devices
Concepts for forming an electrical connection between devices are disclosed. A cord for transferring electrical power and signals can be provided to connect a...
US-8,138,716 Portable multi-input remote AA battery chargers
A portable multi-input remote AA battery charger is provided that can recharge as many as eight (8) AA batteries at once within 100 minutes. This invention's...
US-8,138,715 Network-controlled charging system for electric vehicles through use of a remote server
A network-controlled charge transfer device for electric vehicles includes a control device to turn electric supply on and off to enable and disable charge...
US-8,138,714 Portable hybrid multi-input remote AA battery chargers
A portable hybrid multi-input remote AA battery charger is provided that can recharge as many as four (4) AA batteries at once within 100 minutes. This...
US-8,138,713 Electrical energy storage device for solar cell
An electrical energy storage device for a solar cell includes at least one electrode substrate coated with a oxide or mixed oxides layer. When the electrical...
US-8,138,712 Motor drive system and its control method
A ripple detection unit detects a ripple current width of a motor current controlled according to PWM control. A ripple reference setting unit sets a reference...
US-8,138,711 Motor controller of air conditioner and method of the motor controller
The present invention relates to a motor controller for an air conditioner and a motor control method. The motor controller including a converter converting AC...
US-8,138,710 Power drive of electric motor
Some embodiment of the present disclosure provide an electric motor comprising a power drive configured to supply electric power to different components of the...
US-8,138,709 Control method and system
Systems, methods, and devices are disclosed, including an induction-motor controller that has a motor controller configured to receive alternating current (AC)...
US-8,138,708 Closed-loop motor driver compensation
A control loop circuit for use in a closed-loop control system that controls a system such as a linear motor is presented. The control loop circuit includes a...
US-8,138,707 Bipedal walking robot
Provided is a bipedal walking robot which includes a linear actuator, which connects a crus link and a foot of each leg away from an ankle joint, for driving...
US-8,138,706 Safety drive for a flap or a valve
A safety drive unit (1) with a safety circuit (12) that resets a flap or a valve into a specified safety position for controlling a gas or liquid volumetric...
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