Matches 1 - 50 out of 172 1 2 3 4 >
Match Document Document Title
7602216 Integrated circuit device and electronic instrument  
An integrated circuit device includes a first predriver that drives an N-type power MOS transistor of an external driver including the N-type power MOS transistor and a P-type power MOS transistor,...
7535268 Inductive load driving system  
In an inductive load driving system, it is configured to comprise a first switching element that is inserted in a position between the external power supply and the inductive load, a second...
7514818 Power supply system  
A power supply system is capable of feeding electric power from a power adapter to a plurality of load devices. The power adapter includes a primary core; and a primary coil wound around the...
7474062 Decoupling circuits  
Power taken inductively from the alternating current in a track is received by a resonant circuit which is at least partially decoupled by a switching circuit asynchronously with the frequency of...
7466039 Reducing oscillations in system with foldback current limit when inductive load is connected  
System and methodology for driving an inductive load using a pass device for providing hot swap connection to the load. A current limit circuit prevents current supplied to the load from exceeding...
7432622 Method for the wireless and contactless transport of energy and data, and corresponding device  
In installations including fixed and mobile structural elements and a rotary current motor as a drive, the rotary current motor can be used for the wireless transmission of both energy and/or data....
7378754 Three-phase harmonic reduction filter for bidirectional power converters  
A three-phase filter has first, second, and third power source connectors and first, second, and third load connectors. A separate phase line filter is connected between each pair of power source...
7352084 Deactivator using inductive charging  
Method and apparatus for a deactivator using an inductive charging technique are described.
7332679 Weighing device equipped with power supply mechanism having fixed section and movable section  
A weighing section includes a plurality of weighing members and a power supply mechanism. The weighing members weigh an object while moving. The power supply mechanism includes a fixed section, a...
7289873 Sensor system for a cutting machine tool  
The present invention relates to a sensor system for a cutting machine tool ( 300 ) with an energy supply unit ( 101 ), which inductively provides energy for the supply of at least one sensor...
7276816 High-frequency matching network  
The invention relates to a high-frequency matching network comprised of a primary switching circuit ( 1 ) provided with any type of capacitor ( 7 ) and with a variable capacitor ( 8 ), and of a...
7221066 Energy supply unit for transmitting auxiliary energy to an electrical device  
An energy supply unit includes a primary coil which is at least indirectly connected to an energy source. In a secondary coil which is at least indirectly connected to the control circuit, and an...
7177361 Modulator for electromagnetic signals transmitted by a contactless transmission/reception system  
A data transmission device using electromagnetic wave radiation in a contactless transceiver system toward a contactless object, the data bits transmitted corresponding to the half cycle of an...
7161263 Low voltage low loss piezoelectric driver and switching apparatus  
A piezoelectric driving and switching apparatus includes a power supply circuit having a supply open configuration and positive and negative closed configurations for transferring energy to an...
7158009 Electronic circuit for contactless tag, and contactless tag  
An electronic circuit for a contactless tag includes a transceiving device having an antenna coil and a circuit changeover switch that switching between a state where the antenna coil forms a...
7112898 Real-time digital voltage sag compensator  
An economical digital voltage sag compensator for overcoming sags in distributed electrical power. The voltage sag compensator employs an inexpensive micro-controller, a full wave bridge rectifier,...
7084527 Electric suspended conveyor with contactless energy transmission  
In an electric telpher or similar conveyor system comprising movable transfer units, power is transmitted to consumers having differing input power requirements in that the slide rail ( 1 ) is also...
7016744 Man-machine interface  
A man-machine interface is provided for a domestic appliance in which remotely sensed buttons, slider bars, marker pucks and a knob are used. The sensing coils for remotely sensing the positions of...
6930408 Circuit for the generation of electric power of opposite polarity in a pulsating power supply  
A circuit for generating electric power at the moment a D.C. pulsating power is suspended includes an induction device in series with or in parallel with the load for generating the power and...
6919651 Circuit arrangement for high-speed switching of inductive loads  
A circuit arrangement for switching an inductive load ( 12, 12 a-d ) with connections to a power supply source ( 11, 11′, 11 ″) by means of which an exciter voltage can be applied to the...
6870475 Electrically isolated power and data coupling system suitable for portable and other equipment  
An electrically isolated combined power and signal coupler is usable for a portable medical monitoring device attachable to a patient in a medical environment. A power coupling system transfers...
6838785 Operating device for an electrical appliance  
In an embodiment of the invention it is possible to create an operating unit ( 11 ) with a rotary toggle ( 14 ), which has an integrated bearing device ( 15 ) with which the operating unit ( 11 )...
6803744 Alignment independent and self aligning inductive power transfer system  
An inductive power transfer device is provided for recharging cordless appliances. The device includes a plurality of inductors arranged in an array and connected with a power supply via switches...
6794769 Current mode coupler having a unitary casing  
A current mode coupler includes a unitary casing, a stub cable connector, a circuit board, a magnetic structure, a wire core holder, an enclosing lid and an E-core situated in a cavity in the...
6759759 Rotary contactless connector and non-rotary contactless connector  
A rotary contactless connector and a non-rotary contactless connector enable data transmission in a contactless mode by optical elements by combining a rotary transformer or a stationary...
6751691 Arrangement for data transfer between a computer and peripheral device or other data processing device  
An arrangement for data transfer between a desk top personal computer ( 1 ) and a peripheral or other data processing device ( 7 ) comprises a transfer pad ( 5 ) which comprises two conductive...
6724103 Contact-free portable object comprising one or several contact-free peripheral device  
A portable contactless object ( 10 ) featuring a main chip ( 12 ) and a main antenna ( 14 ) enabling communication between the chip and the reader associated with the portable contactless object....
6670796 Ultra fast and high efficiency inductive coil driver  
A circuit for driving an inductive load includes a high frequency driver and low frequency driver. A low frequency component and a high frequency component is taken from an input signal. The...
6664899 Vehicular wireless control apparatus and portable unit for the same  
A wireless control apparatus for vehicles in that reduces the drain on an internal power source of a portable unit so that the internal power source can be used for a long period of time without...
6597076 System for wirelessly supplying a large number of actuators of a machine with electrical power  
A configuration for supplying a large number of actuators with electrical power without using wires includes at least one primary winding that is fed from a medium-frequency oscillator. Each...
6559560 Transmission control apparatus using the same isolation transformer  
An isolation transformer is provided having primary and secondary cores ( 2, 4 ) and primary and secondary coils ( 3, 5 ), with the primary coil and the secondary coil being disposed with a gap G...
6525436 Method and apparatus for suppressing electromagnetic emissions from a bus interface with electronic equipment  
An improved electronic device, for example, an upconverter for converting an IF television signal to a VHF or UHF television signal at a broadcast signal headend provides an external, shielded bus...
6507131 High-voltage transformer  
The high-voltage transformer comprises a core, a primary winding, a high-voltage winding arranged in a coil former, and a housing, whereat the primary winding is arranged at the outside of the...
6501194 Energy recovery snubber circuit for bidirectional power converter and method of operation thereof  
An energy recovery snubber circuit for a bidirectional power converter, a method of operation thereof and a power plant employing the bidirectional power converter. The bidirectional power...
6498326 Arrangement for the control of electrically controllable appliances, particularly electric cookers  
An arrangement for controlling electrically controllable appliances, such as electric cookers, has at least one manually operable control element placed on an outside of a plate, e.g. a glass...
6492746 Current system for compensating the magnetic field produced by electric traction railways  
The invention relates to a device which can compensate, at origin, the magnetic field perturbations in the surroundings of an electrically-driven train track caused by variations in the current of...
6483202 Control of inductive power transfer pickups  
Secondary resonant pickup coils ( 102 ) used in loosely coupled inductive power transfer systems, with resonating capacitors ( 902 ) have high Q and could support large circulating currents which...
6476520 Plug connection  
A plug connection for a hazardous location for energy and data transmission by means of electrical quantities in a bus system has a primary part and a secondary part constructed as transmitters, as...
6462432 Method and device for inductive transmission of electric power to a plurality of mobile consumers  
What follows is a description of a method and device for the inductive transmission of electric power from a medium-frequency source with a frequency of (f M ) to one or more mobile consumers which...
6407470 Electric power transmission device  
An electric power-transmission device having a primary conductor arrangement comprising at least two parallel primary conductors (PL) and at least one secondary winding arrangement that is...
6317338 Power supply for an electroluminescent display  
Inductive power transfer across an extended gap (100) from a primary conductor (119) is provided by means of a resonant intermediate loop comprised of capacitor (118) with inductor (117) carrying a...
6281603 Pulse line generators  
A pulse generator comprises a pulse forming line having a helical core winding surrounded by an outer winding, and a transformer having primary and secondary windings. The secondary winding is...
6265791 Device for contactless transmission of electric energy  
An energy transmission device allows several consumers to be supplied with energy independent of one another and provides contactless transmission of energy from a primary current line, through...
6218745 Apparatus for making electrical connections to a device requiring EMI protection  
A connector has conductive pins extending from outside the device to within the device and an electrically conductive wall surrounding a portion of the pins. The conductive wall abuts a printed...
6133653 Recirculating driver control circuit and method of operating the same  
A recirculating driver control circuit for an electrically operated device has a power supply and a controller coupled to the power supply and the device. The controller generates an on/off signal...
6069413 Apparatus for generating an alternating magnetic field  
An apparatus for producing an alternating magnetic field by arraying a plurality of charged storage elements e.g. capacitors and a plurality of connecting elements e.g. transistors spatially around...
6032546 System for transferring electrical power between non-contacting elements in relative motion  
A system is provided for transmitting a.c. electrical power across a small, even gap, without any physical contact, from a primary pole system to a secondary pole system, one of which moves...
6011320 Vehicle anti-theft device using both electromagnetic induction and frequency modulation transmission of power and data  
A key entry system having redundant communication between the IC card and the vehicle controller to ensure continuous operation. The ID card and the vehicle controller each includes a memory for...
6005304 Arrangement for contactless inductive transmission of electrical power  
A device for the contactless inductive transmission of electric energy to a movable consumer has a stationary primary circuit designed as an arrangement of elongated parallel leads connected to a...
5994896 Electrical switch  
A switch lever of an electrical switch can be moved into various switch positions. A ferrite core is disposed at the switch end of the switch lever. A primary coil and a secondary coil are disposed...
Matches 1 - 50 out of 172 1 2 3 4 >