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Patent # Description
US-6,310,476 Eddy current flaw detector
This invention prevents the failure of detection for horizontal and oblique lift-offs in a probe for an eddy current flaw detection test. A plurality of probes...
US-6,310,475 Magnetic sensor having magnetic detectors arranged in a direction orthogonal to a relative moving direction
A magnetic sensor for detecting magnetic fields deriving from a magnetic body to detect any magnetic body on a non-magnetic body by moving relative to the...
US-6,310,474 Method and apparatus for detecting the direction of crankshaft rotation during a single tooth/slot transition
A direction of rotation detection apparatus and method using the outputs of a single differential sequential sensor employing two matched magnetostatic elements,...
US-6,310,473 Magnetic rotational position sensor
A magnetic rotational position sensor comprises a loop pole piece, at least one magnet, and at least one magnetic flux sensitive transducer. The magnet is...
US-6,310,472 Multiple hall effect sensor of magnetic core displacement
A sensor for measuring linear displacement has a core of magnetic material disposed for movement within a bobbin about which at least one coil of insulated,...
US-6,310,471 Card with magnetic stripe and method for testing magnetic inspection particle fluid
A magnetic stripe card provides a quantitative tool for the measurement of magnetic sensitivity for fine-grained iron, iron oxide or other ferro-magnetic...
US-6,310,470 Method and device for measuring the difference in magnetic field strength with magnetoresistive sensors
A method and device for measuring electric currents in n conductors (n.gtoreq.2), the measurement of the currents being carried out with (n-1) magnetoresistive...
US-6,310,469 System and method to detect synchronous switching regulator light load
An efficient and practical system and method to determine when a switching DC-DC regulator is under a light load condition. The light load condition is...
US-6,310,468 Circuit arrangement for a timed power supply
The invention relates to a circuit arrangement for a timed power supply having an integrated circuit connected to first and second supply potential terminals and...
US-6,310,467 LDO regulator with thermal shutdown system and method
A method and apparatus is directed to a thermal shut down for a low drop out (LDO) regulator including a MOS transistor. An error amplifier controls the gate of...
US-6,310,466 Synchronous CMOS rectifying circuit for step-up devices
Presented is a DC/DC converting circuit adapted to convert a DC input voltage to a DC output voltage. The converting circuit uses, as its synchronous rectifier...
US-6,310,465 Battery charging device
A battery charging device includes a power supply coupler and a power receiver coupler. The power supply coupler includes a primary coil, a communication unit to...
US-6,310,464 Electric car battery charging device and method
Apparatus for charging the battery of an electric car. The apparatus comprising a battery charge controller, a battery charger, and a battery. The charge...
US-6,310,463 Secondary battery cell protection circuit
A secondary battery cell protection circuit includes an overcharge detection circuit detecting overcharge of a secondary battery cell, an overcharge prevention...
US-6,310,462 Residual capacity measurement system for battery
After an initial capacity setter (13) sets the initial residual capacity immediately after the application of power as 100%, a full-charge voltage corrector (14)...
US-6,310,461 Mobile telephone comprising an improved battery charger circuit
The leakage current in a circuit for charging a battery is eliminated by placing a switch in series with the resistor connecting the emitter and the base of a...
US-6,310,460 Apparatus and method for changing bus line address for a detachable battery unit
A bus line address changing apparatus for use in an electronic instrument including a plurality of battery unit attaching sections configured to accommodate a...
US-6,310,459 DC motor control device and control method
A DC motor control device and a DC motor control method are configured to calculate driving motion time and DC motor current flow per unit time, or DC motor...
US-6,310,458 Blended velocity estimation
A system and method for calculating the speed of a moving member having an output device providing an output periodic signal as a function of displacement of the...
US-6,310,457 Servomotor controller
When contents of a program for machining to be executed by a servomotor indicate a cutting mode, a current command is generated by performing speed loop...
US-6,310,456 Control system and method
A control system for determining a control function for a control device on the basis of a transfer function of an object to be controlled and for adjusting an...
US-6,310,455 Positioning and actuating drive
An electric motor, gearbox, position phase angle sensor and motor phase angle sensor are integrated in a common housing to reduce the size of a positioning and...
US-6,310,454 Apparatus and control method for feeder system for flowable material
An apparatus for precisely controlling the feed rate of a feeder comprises: a motor operatively connected to the feeder to cause dispensing of the feeder when...
US-6,310,453 Drive circuit for a speed adjustable fan
A drive circuit for a speed adjustable fan comprises a computing IC, a Hall IC, an input terminal for external signals, and a current control circuit. The drive...
US-6,310,452 Single cycle positioning system utilizing a DC motor
A single cycle positioning system utilizing a DC motor wherein a wide ranging incoming AC supply voltage is rectified and a fixed frequency variable duty cycle...
US-6,310,451 Movable barrier operator having force and position learning capability
A movable barrier operator includes a wall control switch module having a learn switch thereon. The switch module is connectable to a control unit positioned in...
US-6,310,450 Drive system of a brushless motor equipped with hall sensors self-discriminating the actual phasing of the...
A method is for decoding three logic signals produced by three Hall effect sensors installed in an electronically-switched three-phase brushless motor according...
US-6,310,449 Device having a variable-speed motor
In a device (1) having a variable-speed motor (2), a single switching device (9) has been provided for influencing the speed of the motor and for generating...
US-6,310,448 CRT display device having discharge current limiting resistors in high-voltage supply lines
Discharge current limiting resistors are provided in respective high-voltage supply lines for distributing high voltages produced by a high-voltage distributor...
US-6,310,447 Method for operating at least one fluorescent lamp, and electronic ballast therefor
An integrated control and regulating circuit (IC) controls, via a half-bridge circuit (V2, V3), a load circuit (4) having the at least one fluorescent lamp (FL)...
US-6,310,446 Method for adjusting at least one operating parameter of an operating unit for electric lamps
The invention relates to a method for adjusting at least one operating parameter of an operating unit (EVG), equipped with a microcontroller (MC), for electric...
US-6,310,445 Led indicator disable circuit and led indicator incorporating the led indicator disable circuit
Circuitry for an LED indicator which can enable and disable the LED indicator at appropriate times. An LED indicator, for example an array of LEDs, is driven by...
US-6,310,444 Multiple lamp LCD backlight driver with coupled magnetic components
In this invention an inverter for driving multiple lamps has a first circuit for driving a first lamp. The first circuit is made up of a first inductor in series...
US-6,310,443 Jacketed lamp bulb envelope
A jacketed lamp bulb envelope includes a ceramic cup having an open end and a partially closed end, the partially closed end defining an aperture, a lamp bulb...
US-6,310,442 Discharge lamp with dielectrically impeded electrodes
A discharge lamp (1) including a tubular discharge vessel (2), filled with inert gas and, optionally, a fluorescent layer, having at least three elongated...
US-6,310,441 Display and method for producing the same
A light emission display having a housing including at least two glass members thermally glued to one another at a predetermined atmospheric pressure to form a...
US-6,310,440 System for individual and remote control of spaced lighting fixtures
A plurality of spaced ceiling mounted fixtures or other controllable electrical appliances have radiation detectors mounted within each fixture and wired...
US-6,310,439 Distributed parallel semiconductor device spaced for improved thermal distribution and having reduced power...
A single triac on a heat sink is replaced by a plurality of lower rated current, parallel connected triacs for carrying the same total current as the single...
US-6,310,438 Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the...
Expressing a perveance of an electron gun to be determined by a form of the electron gun as P.mu., a voltage to be impressed on an accelerating electrode Va and...
US-6,310,437 Fluorescent lamp extension tube amalgam holder
A glass extension (24) with a cavity (32) for an amalgam (22) is added to an exhaust tube (12) or a flare (14) of a fluorescent lamp. The mouth (36) of the...
US-6,310,436 Cold cathode fluorescent lamp and display
A light transmitting container is used to house a cold cathode fluorescent lamp (CCFL) to reduce heat loss and to increase the luminous efficiency of the lamp....
US-6,310,435 Cathode ray tube with getter assembly
A cathode ray tube, which has a getter assembly (18) for providing proper vacuum conditions within the tube. The getter assembly (18) comprises a resilient strip...
US-6,310,434 Picture display device having an improved bandwidth
A picture display device having a cathode which includes two electric current conductors between which a video signal is applied, for applying a video signal to...
US-6,310,433 Inner shield for a cathode ray tube and method for manufacturing the same
An inner shield for a cathode ray tube comprising a plurality of rectangular segments parallel to the tube axis; a flange joined to each of the rectangular...
US-6,310,432 Surface treatment process used in growing a carbon film
A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing treatment of a...
US-6,310,431 Annealed carbon soot field emitters and field emitter cathodes made therefrom
Annealed carbon soot is useful as an electron field emitter. Field emitting cathodes made up of annealed carbon soot attached to the surface of a substrate are...
US-6,310,430 Spark plug having a metallic terminal within a through-hole
A spark plug for attachment to a cylinder head includes a metallic shell including a tip-end side having an open tip end and a tail-end side having an open tail...
US-6,310,429 Acoustic wave transducer device
An acoustic wave transceiver device comprising a sheet of material which responds electrically to acoustic waves and a signal processor which processes the...
US-6,310,428 Piezoelectric switch with audible feedback
A piezoelectric switch comprising an end surface which when pressure is applied, causes a piezoelectric element to switch and generate an electrical signal. In...
US-6,310,427 Connecting apparatus for electro-acoustic devices
Modified configurations for electrical connectors to ceramic transducers are designed to reduce failure rates due to fatigue during transducer operation. These...
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