A magnetometer includes a tapered microfiber having a curved portion, an excitation laser in optical communication with the tapered microfiber, and a...
Enhanced wireless eddy current probe for a non-destructive inspection
An enhanced wireless eddy current probe is disclosed which has means to wirelessly couple to a non-destructive inspection (NDI) system situated some distance...
Method and apparatus for testing characteristics of thin-film magnetic
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...
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,...
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...
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...
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...
Optical imaging and patterning based on a magnetically controlled
Methods, systems, and apparatus for optical imaging and patterning based on a magnetically controlled ferrofluid are described. One such system includes a...
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...
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...
Physical properties detection device and physical properties detection
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...
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...
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...
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...
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...
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...
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...
Circuits and methods for improving transient response of hysteretic DC-DC
A hysteretic DC-DC converter includes an observer circuit configured to generate an observer control signal for injection into the control loop of the...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
Method and apparatus for controlling electric power generation for
The present invention provides, as one aspect, an apparatus for controlling electric power generation for vehicles, which controls energization of an excitation...
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...
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...
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...
Remote battery charging system with dynamic voltage adjustment and method
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...
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...
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...
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...
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...
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,...
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...
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...
Network-controlled charging system for electric vehicles through use of a
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...