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| Patent # | Description |
|---|---|
| US-6,515,466 |
Phase comparator A phase comparator for calculating the phase difference between a test wave form and an output wave form in a disk drive includes a phase converter, a first... |
| US-6,515,465 |
Method and apparatus for measuring harmonic load-pull for frequency
multiplication A method for measuring harmonic load-pull including supplying a fundamental frequency signal to a frequency multiplication device under test and obtaining a... |
| US-6,515,464 |
Input voltage offset calibration of an analog device using a
microcontroller Input offset voltage calibration of an analog device, or plurality of analog devices, is controlled by a microcontroller. The microcontroller and analog... |
| US-6,515,463 |
Method and circuit for optimizing efficiency in a high frequency switching
DC-DC converter A switch control (12) circuit which optimizes the efficiency of a buck or boost converter by eliminating simultaneous conductive states of the main power... |
| US-6,515,462 |
Power supply device A power supply device produces a predetermined voltage from a supply voltage through a voltage follower composed of a plurality of transistors. The voltage... |
| US-6,515,461 |
Voltage downconverter circuit capable of reducing current consumption while
keeping response rate In a VDC circuit, a differential amplifier compares a first reference potential with an internal supply potential to generate a control signal according to a... |
| US-6,515,460 |
Multiphase switching regulator control architecture for low on time systems
that enforces current sharing An apparatus and method that enforces current sharing and provides low on times for a multiphase voltage mode regulator has been described. A current level is... |
| US-6,515,459 |
Apparatus and method for effecting controlled start up of a plurality of
supply voltage signals An apparatus for controlling start up of supply voltages received from a power supply responding to control by a feedback signal includes: (a) first error... |
| US-6,515,458 |
Pulse oscillator and voltage level converter A signal translating circuit is operable on applied input signal through recurring cycles of conduction and non-conduction of a junction type transistor in... |
| US-6,515,457 |
Discontinuous-mode buck-boost slave converter working off a continuous-mode
master buck converter An efficient, well-regulated slave buck-boost converter is driven from a master buck converter. The derived transfer function of a discontinuous mode slave... |
| US-6,515,456 |
Battery charger apparatus A system for actively controlling the charging profile of a battery uses a software-based alternator control unit to control the charging voltage. The system... |
| US-6,515,455 |
Apparatus for starting drive of load by high-voltage battery A combination battery includes a plurality of cells connected together in series. A switching element operates for selectively blocking and unblocking a power... |
| US-6,515,454 |
Method and system for determining the capacity of a battery A method for estimating the capacity of a battery, including the following steps: estimation of a steady-state voltage U.sub.R, an internal resistance R.sub.1... |
| US-6,515,453 |
Method of predicting the state of charge as well as the use time left of a
rechargeable battery Disclosed is a method of estimating the state of charge of a rechargeable lithium battery. The first step of said method is to determine whether the battery is... |
| US-6,515,452 |
Remaining battery capacity corrector and controlling method therefor A remaining battery capacity corrector and a controlling method therefor are provided. The remaining battery capacity corrector corrects errors in a calculated... |
| US-6,515,451 |
Cordless power tool system A system of cordless power tools includes a cordless power tool adapted to removably receive a rechargeable battery pack. The system further includes a battery... |
| US-6,515,450 |
Internal battery holding structure in mobile equipment An internal battery (2) has a battery terminal provided on a tip and has a third engagement projection (11) provided on the other end in a vertical direction. A... |
| US-6,515,449 |
Battery with lead/nugget protection insert A Li-ion or Li-ion polymer battery, comprised of a battery assembly having a plurality of generally planar cathode sections, each having a flat, metallic cathode... |
| US-6,515,448 |
Air conditioner for hybrid vehicle In an air conditioner for a hybrid vehicle, when a residual charging degree of a battery becomes equal to or lower than a target degree, the electrical motor... |
| US-6,515,447 |
Fan motor with variable frequency/constant speed control A fan motor with variable frequency/constant speed control comprises a frequency comparator, a differential integrating circuit, and a differential amplifier.... |
| US-6,515,446 |
Motor control apparatus and control method The technique of the present invention sets a torque voltage to be applied to a motor in response to a required torque and adjusts the duty of an inverter to... |
| US-6,515,445 |
Digital encoder control method A digital encoder control method of a digital control apparatus has a driving unit, a frequency signal generating unit for generating a pulse signal of a... |
| US-6,515,444 |
Method for controlling a current-regulated motor The invention relates to a method for controlling an alternating-current motor fed from a current-controlled alternating-current source, in which method the... |
| US-6,515,443 |
Programmable pulse width modulated waveform generator for a spindle motor
controller A motor controller for a three-phase spindle motor used in the hard disc drive provides pulse width modulated (PWM) signals used to drive the motor. The PWM... |
| US-6,515,442 |
Position controller To overcome the problem of a low frequency disturbance causing minute vibrations affecting response attributable to the difficulty of adaption to the phase of... |
| US-6,515,441 |
Glass edge object detection sensor An object detection system includes a sensor in communication with a controller which identifies contact with the sensor. In a preferred embodiment the sensor is... |
| US-6,515,440 |
Departure control system using simulated phase In the control system, a propulsion force is computed by a propulsion force computing unit based on a current command value outputted from a speed controller, an... |
| US-6,515,439 |
Vertical deflection driving circuit Circuit means absorbing counter-electromotive voltage generated by a vertical deflection yoke coil DY while scanning period is provided in a vertical deflection... |
| US-6,515,438 |
Electron gun in color CRT Electron gun in a color CRT including a controlling electrode and an accelerating electrode each having a distance S.sub.0 between a central electron beam pass... |
| US-6,515,437 |
Power supply for hybrid illumination system A track lighting hybrid illumination system comprising a power supply circuit (11, 41, 22) having an input for connecting to a voltage source (12, 42) of low... |
| US-6,515,436 |
Discharge lamp lighting apparatus and lighting appliance employing same A discharge lamp lighting apparatus includes a discharge lamp having a pair of electrodes, at least one electrode being placed on an outer surface of a discharge... |
| US-6,515,435 |
Pixel mirror based stage lighting system A lighting system with a digital micromirror device which forms a digital gobo system that is controllable on a pixel level. The device includes a number of... |
| US-6,515,434 |
Control circuit for LED and corresponding operating method A drive circuit for an LED array, comprising at least two clusters of LEDs, in which one cluster comprises a number of LEDs arranged in series which are... |
| US-6,515,433 |
Gas discharge fluorescent device Sputtering of the cathodes of a cold cathode fluorescent lamp is reduced or eliminated by removing electrodes altogether from the sealed envelope containing the... |
| US-6,515,432 |
Circuit device A circuit for operating a high-pressure discharge lamp with successive current periods, which circuit is provided with means for operating the connected lamp by... |
| US-6,515,431 |
Multi-lamp protection circuit for an electronic ballast A multi-lamp protection circuit for an electronic ballast includes an inverter circuit of various types, and a transistor switch provided in the inverter circuit... |
| US-6,515,430 |
Power supply for lamps The invention relates to a power supply for an illumination system used to expose photo-initiated adhesives. The illumination system includes an arc lamp to... |
| US-6,515,429 |
Method of variable resolution on a flat panel display A method of achieving a variable resolution on a field emission display including the step of addressing a cathode half-pixel region of an emitter line of the... |
| US-6,515,428 |
Pixel structure an organic light-emitting diode display device and its
manufacturing method A pixel structure of an active matrix full-color OLED display device and its manufacturing method are provided. The pixel structure of the display device... |
| US-6,515,427 |
Inverter for multi-tube type backlight The inverter for multi-tube type backlight includes two step-up transformers of one-side grounded type, wherein the two step-up tranformers respectively output... |
| US-6,515,426 |
Ion beam processing apparatus and method of operating ion source therefor An ion beam processing apparatus and a method of operating an ion source therefore are provided for reducing the frequency of breakdown due to particles, and for... |
| US-6,515,425 |
Headlight anti-glare system An anti-glare system for motor vehicle headlights is effective to illuminate the headlights at reduced intensity when the vehicle is not in motion and the... |
| US-6,515,424 |
Color cathode ray tube having an internal voltage-dividing resistor A color cathode ray tube has an electron gun in its neck portion. The electron gun includes plural focus electrodes and an anode fixed in axially spaced... |
| US-6,515,423 |
High-pressure discharge lamp The high-pressure discharge lamp comprises a lamp vessel (1) in which an anode (4) and a cathode (5) are disposed spaced apart by an electrode distance D of 1-2... |
| US-6,515,422 |
Photo catalyzer and discharge lamp having a photo catalytic layer A photo catalyzer includes a light-transmitting substrate and a catalytic layer provided on the substrate. The catalytic layer substantially includes anatase... |
| US-6,515,421 |
Control of leachable mercury in fluorescent lamps A method and apparatus for preventing the formation of leachable mercury in mercury arc vapor discharge lamps which comprises coating at least one of the... |
| US-6,515,420 |
Full-color plasma display panel using different discharge gases to emit
lights A plasma display panel(PDP) is disclosed. The PDP includes a rear plate, a front plate spaced apart and positioned in parallel with the rear plate, and a... |
| US-6,515,419 |
Plasma display panel with barriers and electrodes having different widths
depending on the discharge cell A plasma display panel in which a white colored screen has an improved picture quality includes: a plurality of first barriers successively formed on a... |
| US-6,515,418 |
High pressure sodium discharge lamp A high pressure sodium vapour lamp having a fill consisting of sodium, mercury and xenon in an arc tube with a sodium weight portion within the ... |
| US-6,515,417 |
Organic light emitting device and method for mounting The invention relates to a light source comprising one or more organic light emitting devices mounted on a mounting substrate, each of the organic light emitting... |
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