Motor control circuit and power window device
A motor control circuit includes a manipulation unit, a control unit that drives a motor in a normal rotation direction or a reverse rotation direction, a catch...
Light source and method for operating a lighting system
The invention relates to a light source for generating light having a spectral emittance in at least a part of the range of 380 nm to 780 nm, the light having a...
Advanced low voltage lighting system
Disclosed is a lighting system supporting multiple independently controlled zones utilizing a plurality of semiconductor switches coupled to a plurality of...
Lamp power tabulation
An operating lamp includes a plurality of illumination elements arranged in discrete groups. The illumination elements include at least one white illumination...
Method for driving a PTC electrical load element
A method is intended to make it possible to drive a PTC electrical load element with a switching unit with the highest possible operational reliability. For...
Method, system and remote control for controlling the settings of each of
a multitude of spotlights
Method for controlling the settings of each of a multitude of spotlights, such as light intensity, color and light beam direction, wherein a remote control is...
Visual notification methods for candy-bar type cellphones
A wireless handheld communications device with a liquid crystal display, especially, a field sequential liquid crystal display, includes a visual notification...
Light source driving apparatus
A light source driving apparatus for sequentially driving a plurality or light sources is provided. The light source driving apparatus includes a light source...
Light source driving device capable of dynamically keeping constant
current sink and related method
A light source driving device for driving a light emitting component is disclosed. The light source driving device includes a voltage converter coupled to the...
Methods and apparatus for simulating resistive loads
Methods and apparatus for simulating resistive loads, and facilitating series, parallel, and/or series-parallel connections of multiple loads to draw operating...
Offline LED driving circuits
An offline LED driving circuit includes a controller, a shunt regulator, an opto-coupler, and a dimming circuit. The controller generates a switching signal to...
Step-up driver with minimal switching frequency
The invention relates to an electronic ballast comprising a step-up converter for operating a discharge lamp. The electronic ballast is embodied in such a way...
Portable lighting devices
A flashlight having a locking mechanism for securing a head skirt to a head assembly is disclosed. A circuit for temporarily remember the mode of operation of...
LED control system using modulated signal
An LED control system using a modulated signal includes a computer, a data storage unit, an AC power, a power conversion circuit, a control circuit, and an LED...
Decorative light string device
The present invention discloses a decorative light string device, which comprises: a power plug receiving AC power, a tail socket coupled to the power plug, and...
Ballast for a discharge lamp with adaptive preheating
The present invention relates to an electronic ballast for discharge lamps (LA) which have preheatable electrodes (E1, E2). The electronic ballast has a...
Regulating circuitry for automobile light systems
A regulating circuit for automobile light for outputting an elevated voltage to power an operation of a driving integrated circuit, comprises a first diode...
Vehicle lamp control system and control method
A vehicle lamp control system includes a target irradiating direction setting unit which sets, in accordance with a running condition of a vehicle, a target...
Low pressure discharge lamps with coated inner wires for improved lumen
Disclosed herein is a low pressure discharge lamp having a coating disposed upon at least a portion of inner lead-in wires, wherein the coating comprises...
Seal for light emitting display device, method, and apparatus
A glass package is disclosed comprising a first substrate and a second substrate, where the substrates are attached in at least two locations, at least one...
Light emitting device with a thermal insulating and refractive index
A light emitting device has a light emitting diode (LED) encapsulated by an encapsulant member. The encapsulant member includes a luminescent material, such as...
Electroluminescent device and method for preparing the same
An electroluminescent device comprises a substrate, a first electrode, a second electrode, and an organic layer disposed between the first electrode and the...
Emission filaments made from a rhenium alloy and method of manufacturing
A new Rhenium alloy usable for improving the performance of emission filaments used in mass spectrometers or other similar scientific instruments, which is made...
Electrode for cold cathode tube and cold cathode tube employing it
An electrode (1) for cold cathode tube of the present invention includes a cylindrical sidewall portion (2), a bottom portion (3) provided at one end of the...
Electron-emitting device, electron source, and image display apparatus
An electron-emitting device includes an electron-emitting film containing molybdenum. A spectrum obtained by measuring a surface of the electron-emitting film...
Low voltage closed drift anode layer ion source
An ion source includes a pair of pole elements, at least one shunt element, and at least one magnetic field producing element that produces a magnetic field. A...
Discharge tube, ferrule, lighting device, display device and television
In a discharge tube, a conductive ferrule is provided on an end portion of a glass tube. The ferrule includes a body that is to be mounted to the outer...
Shaped selective thermal emitter
A geometrically shaped photonic crystal structure consisting of alternating layers of thin films is heated to emit light. The structure may include index...
Tuning-fork type piezoelectric vibrating pieces having similarly shaped
vibrating-root and supporting root portions
Piezoelectric vibrating pieces are disclosed. An exemplary piece includes a base and at least a pair of vibrating arms connected to the base. The vibrating arms...
Vibrating element and vibrator
A vibrating element includes: a vibrating body having frequency temperature dependency; and a temperature characteristic correcting part provided on a surface...
Wide-band vibration energy harvester with restoring spring
A device for harvesting an external source of energy includes an electricity generating device, a flexure, and a restoring spring. The electricity generating...
Electrical generators for use in unmoored buoys and the like platforms
with low-frequency and time-varying...
A buoy for generating electrical energy from an upward heave resulting from a passing wave is provided. The buoy including: a body; a first device associated...
An electronic radial ultrasonic probe comprising an electronic radial array which comprises a plurality of ultrasonic transducers being continuously arrayed...
Piezoelectric damping device
The piezoelectric damping device is a passive piezoelectric vibration suppression and damping device for reducing amplitude of vibration in structures. The...
Surface acoustic wave device and surface acoustic wave biosensor
A surface acoustic wave device, including: a piezoelectric substrate; an interdigitated transducer electrode disposed on the substrate; an oxide film disposed...
Electrostatic comb actuator
An electrostatic comb actuator having reduced in-plane rotation of a tiltable element is disclosed. The actuator has a stator comb electrode and a tiltable...
Methods and systems for positioning micro elements
A micro device may comprise a substrate, a first micro structure coupled to the substrate, a second micro structure coupled to the substrate, and port...
High efficiency 4-.pi. negatron .beta.-3 particle emission source
fabrication and its use as an electrode in a...
The present invention is directed to an encapsulated .beta..sup.- particle emitter that comprises a sol-gel derived core that comprises a .beta..sup.--emitting...
Stator bar with end arm involute-on-cone bend substantially aligned with
stator core slot
Dynamoelectric device and stator bar therefor, where the stator bar includes a linear portion for positioning in a slot of a stator core, the slot extending in...
Electrical machine with skew-running magnet pole boundaries
According to the invention, the torque ripple of electrical machines is supposed to be further reduced. For this purpose, it is provided to dispose the magnetic...
The present invention provides a dynamoelectric machine that suppresses the occurrence of insulation failure that accompanies oxidation of a stator core without...
Adaptive winding system and control method for electric machines
An adaptive winding configurations and control method is disclosed for the electromagnetic poles of electric machines, including motors and generators. Motors...
Provided is a synchronous motor comprising a rotor that includes magnetic poles arranged at equal intervals in the circumferential direction, and a stator that...
An alternator comprising a rotor having plural magnetic poles in the circumferential direction; and a stator whose teeth are disposed opposite to the periphery...
Wound field electrical machine flat braided wire main rotor crossover
A high speed aircraft generator may utilize a prefabricated crossover subassembly to interconnect field coils. The crossover may include two attachment leads...
Motor including a rotor and a stator, and washing machine using the same
The present invention relates to a motor. A motor including a stator and a rotor that is rotatably provided at an outer side in a radial direction of the...
It comprises stator including stator core having yoke and a plurality of teeth protruded from yoke, which is formed with slots between adjacent teeth, and rotor...
A magnetic generator, or a so-called inner-rotor generator, provided with a rotor on the inside of a stator. The rotor has a ring-shaped yoke and a magnet...
Large capacity hollow-type flywheel energy storage device
Disclosed is a large capacity hollow-type flywheel energy storage device. The energy storage device includes a hollow shaft, a vacuum chamber receiving the...
Bearing unit, motor using the bearing unit, and electronic equipment using
Disclosed herein is a bearing unit including a shaft; a radial bearing for supporting the outer circumferential surface of the shaft; a housing for...