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Patent # Description
US-6,798,678 Frequency voltage converter
There is provided a frequency voltage converter comprises a first transmission line for transmitting an input signal and a second transmission line provided with...
US-6,798,677 Modular power converter
A power converter includes at least one capacitor and at least two semiconductor power switches. Each capacitor includes a pair of connectors for connecting the...
US-6,798,676 Inverter for changing direct current to alternating current
A DC to AC inverter includes a bridge type switch circuit, a transformer, an integrated circuit, a pulse width modulator, a wave generator and a control-drive...
US-6,798,675 Charging a capacitive energy store using energy trapping and adaptive clocking
A resonant switching-type capacitive charging power conditioner circuit includes a trap switch assembly to prevent the energy initially delivered to the circuit...
US-6,798,674 Half-bridge converter with high power factor
A half-bridge converter having an improved power factor is provided. The half-bridge converter has a bridge diode unit for providing a current path to a power...
US-6,798,673 Circuit synchronization apparatus and method
Several synchronization circuits, a computer, a method of adjusting the operation of an oscillator, and method of operating a power converter are disclosed. The...
US-6,798,672 Power converter module with an active snubber circuit
A power converter module includes a power transformer, a first power switch, and an active snubber circuit for recovering surge energy. The power transformer has...
US-6,798,671 Switching power supply unit
The present invention provides a worldwide compatible switching power supply unit of an RCC system in which by reducing the number of components or parts,...
US-6,798,670 DC-DC converter
A DC/DC converter interconnecting a first DC voltage source having a first potential and a second DC voltage source having a second potential and having a...
US-6,798,669 Latching structure for motherboards
A latching structure for a motherboard mainly includes a rotatable clip stem pivotally mounted on an edge of the motherboard. There is a fixing member on the...
US-6,798,668 Receiving apparatus
In a receiving apparatus according to the present invention, a shield plate, which is made of metal, is mounted above IF amplifiers and output terminal mounting...
US-6,798,667 Solder ball collapse control apparatus and method thereof
A solder ball collapse control apparatus and method thereof includes a plurality of first solder members, pieces of solder material in a shape capable of being...
US-6,798,666 Introducing loss in a power bus to reduce EMI and electrical noise
A printed circuit board includes a power layer for use in providing electrical power to circuit components and a ground layer for use in carrying electrical...
US-6,798,665 Module and method of manufacturing the module
A high-frequency module has a signal electrode provided on a cut side thereof, and is arranged to produce no burrs. The module includes a substantially...
US-6,798,664 Front panel assembly for computer enclosure
A front panel assembly includes a front panel (10), a lining panel (30) and a cover (50). An opening (12) is defined in the front panel. A pair of parallel first...
US-6,798,663 Heat sink hold-down with fan-module attach location
A system for heat sink hold-down is provided. The system comprises a heat source; and a heat sink hold-down assembly. The assembly comprises a bolster plate to...
US-6,798,661 Chassis conducted cooling thermal dissipation apparatus for servers
A thermal dissipation apparatus for implementing chassis conducted cooling for a server. The apparatus includes a heat sink having a first surface and a second...
US-6,798,660 Liquid cooling module
A liquid cooling module is disclosed. A module for providing a coolant to circulate within a computer system includes a housing, at least two connection ports...
US-6,798,659 CPU cooling structure
A CPU cooling structure is constructed having a thermoelectric cooling panel installed in a heat sink and controlled by a control circuit to cool the CPU to...
US-6,798,658 High voltage electrical packaging box structure
A high voltage electrical packaging box structure includes a box body, and a high voltage electrical part which is accommodated in the box body. In the high...
US-6,798,657 Self-cooling unit
A cooling system that can be used, for example, for cooling electrical circuit boards housed in an equipment cabinet. The cooling system includes a...
US-6,798,656 Hard disc drive heat sink and sound absorbing frame
A hard disc drive (HDD) heat sink and sound absorbing frame comprises a sound absorbing frame, two heat sinks with multiple heat dissipating fins and two heat...
US-6,798,655 Liquid cooling system for all-in-one computer
A desk-top type computer with a built-in LCD includes a chassis, a planar display attached to the chassis, a mother board attached to the chassis, heat...
US-6,798,654 Woofer module of a portable computer
A woofer module is used for outputting alow-frequency audio signal, and can be inserted into and removed from anexpansion slot of a portable computer. The woofer...
US-6,798,653 Drive bracket assembly
A drive bracket assembly (10) includes a bracket (40) adapted for receiving a disk drive (50) therein, a rail (30), and a retaining piece (20). The bracket...
US-6,798,652 Mounting apparatus for data storage device
A data storage device mounting apparatus includes a drive bracket (10) and a cover (20). The device bracket includes a first side plate (14) and a second side...
US-6,798,651 Computer with an accessible storage medium drive assembly
A computer with an accessible storage medium drive assembly is provided. The computer comprises a chassis, a cradle and an accessible storage medium drive...
US-6,798,650 Disk drive bracket
A bracket having two parallel sides and an interconnecting crosspiece is attached to a disk drive or similar peripheral with the sides of the bracket extending...
US-6,798,649 Mobile computer with foldable keyboard
A digital processing device including a base, a display assembly, a hinge assembly, and a foldable keyboard is described. The hinge assembly enables the back of...
US-6,798,648 Portable electronic apparatus having a flat box shaped housing
An electronic apparatus including a first housing and a second housing. The first housing has a top wall, a left side wall, and a right side wall. The second...
US-6,798,647 Portable computer with integrated PDA I/O docking cradle
A computing system comprising a personal digital assistant (PDA) and a portable computer with an integrated PDA docking cradle to dock the PDA is disclosed.
US-6,798,646 Rotary axle structure for portable computers
A rotary axle structure for portable computers mainly includes a member with an indented notch formed on the surface thereof and a sloped element with an...
US-6,798,645 Protecting resin-encapsulated components
A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals...
US-6,798,644 ESR of solid electrolytic capacitors using conductive polymer cathodes
A solid electrolytic capacitor with improved ESR before and after mounting on a circuit board is obtained by forming a cathode on a dielectric layer using a...
US-6,798,643 Metal collector foil for electric double layer capacitor, method of producing the metal collector foil, and...
A metal collector foil for an electric double layer capacitor has etched upper and lower surface layers and an unetched central layer disposed between the etched...
US-6,798,642 Polymer coated capacitor films
This invention relates to capacitor films that have increased moisture and breakdown resistance. The capacitor films include a polymer coating that helps prevent...
US-6,798,641 Low cost, high density diffusion diode-capacitor
A multiple-layer diffusion junction capacitor structure includes multiple layers of inter-digitated P-type dopant and N-type dopant formed in a semiconductor...
US-6,798,640 Capacitor having plates with a pattern void of conductive material and method of making therfor
A method for constructing a capacitor having an increased equivalent series resistance (ESR) is disclosed. In one embodiment, a capacitor includes a plurality of...
US-6,798,639 Fluid deionization flow through capacitor systems
Flow through capacitors are described herein having improved capabilities. In general, asymmetric flow through capacitors are formed, increasing overall...
US-6,798,638 Pot-shaped housing and cover for capacitors
A pot-shaped housing with a cover for capacitors has the pot-shaped housing and cover both being extruded as single workpieces and having different spatial...
US-6,798,637 Dynamic air ionizer and method
Concentrations of positive and negative ions that are generated in the ambient air at a selected location are controlled in time-varying manner. Apparatus for...
US-6,798,636 Method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an...
A method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve, the parasitic currents being...
US-6,798,635 Method and arrangement for determining the position of an electromagnetic actuator
The invention relates to a method for driving and measuring the position of an electromagnetic actuator that operates according to the voice coil principle. The...
US-6,798,634 Device for actuating an electromagnet
A device with a safety circuit with an armature activated by a solenoid activates an electromagnet. The device has a switch connected in series to the solenoid,...
US-6,798,633 Circuit arrangement for operation of a relay
The invention relates to a circuit arrangement for operation of a relay which provides a switching-on current for the field coil of the relay and subsequently,...
US-6,798,632 Power frequency electromagnetic field compensation system
The electromagnetic field produced by an electrical device is electromagnetically canceled by a three-dimensional configuration of electrical coils which...
US-6,798,631 Convenience safety timer
An electrical timer having pre-set options, electronically set via e-prom and microprocessor or other solid-state circuitry, for the activation of an electrical...
US-6,798,630 Trip device comprising an improved man-machine interface and circuit breaker comprising such a trip device
The electronic trip device includes a processing unit having inputs to receive electrical signals representative of electrical quantities and an output to supply...
US-6,798,629 Overvoltage protection circuits that utilize capacitively bootstrapped variable voltages
Overvoltage protection circuits include a pass transistor having first and second current carrying terminals electrically connected to an input signal line and...
US-6,798,628 Arc fault circuit detector having two arc fault detection levels
An arc fault protection device uses two detection levels for detecting both parallel and series arc faults. When a sensed load current is below a predetermined...
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