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8681465 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device  
Provided is an amplifying repeater to intensify and amplify a magnetic field of electromagnetic waves. Also provided is a wireless power conversion charging device using the magnetic field of...
8369059 Method for disturbance current compensation for an electrical system, and disturbance current compensation device  
An exemplary method is disclosed for disturbance current compensation for an electrical system by a disturbance current compensation device, which electrical system has a voltage source and a...
8331108 Integrated power inserter  
The present invention relates to an integrated power inserter, comprises: a housing; a voltage lowering and rectifying member; and a coupling member having a power input end, a radio frequency...
8259429 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device  
The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a predetermined number of winds to increase an induced...
8243479 On-die anti-resonance structure for integrated circuit  
A structure and method for reducing the effects of chip-package resonance in an integrated circuit assembly is described. A series RLC circuit is employed to reduce the output impedance of the...
8060007 Adaptive crosspole technique  
An RF signal processing device which includes a countermeasure set connected to the processing device. The RF signal processing device shifts an incoming RF signal by ninety degrees and combines...
8023293 On-die anti-resonance structure for integrated circuit  
A structure and method for reducing the effects of chip-package resonance in an integrated circuit assembly is described. A series RLC circuit is employed to reduce the output impedance of the...
7885050 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the above device  
The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a pre-determined number of winds to increase an...
7804671 Electrostatic discharge protection circuit  
An electrostatic discharge protection circuit has a substrate; a first P-well installed on the substrate and having a first P+-doped region and a first N+-doped region, both of which are connected...
7684162 Leakage current protection device  
A leakage current protection device with a single laminated magnetic core transformer that is formed by punch pressing an amorphous metal material, or a nanocrystalline soft metal material, in a...
7633773 On-die anti-resonance structure for integrated circuit  
A structure and method for reducing the effects of chip-package resonance in an integrated circuit assembly is described. A series RLC circuit is employed to reduce the output impedance of the...
7532861 Connection interface for conveying RF, data, and power between electronic devices  
An interface enables an RF signal, a DC power signal, and a data signal to be conveyed between two devices over a single RF cable. In an exemplary application of this invention, a steerable...
7259952 Process control instrument intrinsic safety barrier  
A process control instrument includes a circuit board having a control circuit for generating or receiving a high frequency signal. An antenna includes an electrical conductor. An intrinsic safety...
7138730 Topologies for multiple energy sources  
A system and method for converting power are disclosed. Briefly described, one embodiment comprises a first power source having a first-source positive terminal and a first-source negative...
7092229 Electrical filter/protector, and methods of constructing and utilizing same  
A device for an electrical power system having a nonlinear load. The circuit is connected in series with the nonlinear load and is tuned to the third harmonic of the power source frequency. The...
7027279 Combined harmonic filter and phase converter or phase shifting device  
A harmonic mitigating device also functions as a phase converter for supplying single-phase non-linear loads, or as a phase shifting device for three-phase non-linear loads with multiple inputs to...
7009826 ESD protection designs with parallel LC tank for giga-hertz RF integrated circuits  
An ESD protection circuit design incorporating a single, or a plurality of, parallel inductor and capacitor, also known as LC tank(s), to avoid power loss by parasitic capacitance in ESD circuits....
6977802 Etched circuit for lighting protection  
The disclosure relates to the lightning protection of the transmitters in a transmission system. An etched circuit with lightning protection comprises at least one main line connected to a...
6963203 Methods and apparatus for analyzing high voltage circuit breakers  
A method for analyzing an electrical contact pair is provided. At least one of the contacts is coupled to a line-side of the contact pair, and at least one of the contacts is coupled to a...
6963478 Cable network interface circuit  
An input section of an RF interface is shown in conjunction with a tuner circuit. The input, in one embodiment, is constructed using co-planner wave guide techniques and serves to provide low...
6954346 Filter assembly  
The invention provides electrical filters, circuits including the filters, connectors including the filters, and methods of making and using the same wherein the filter includes a G conductor, an...
6894885 Reader/writer and analog switching circuit  
The reader/writer of this invention includes a high voltage withstanding amplifier, plural resonance circuits and plural high voltage withstanding analog switching circuits. The high voltage...
6885534 Electrostatic discharge protection device for giga-hertz radio frequency integrated circuits with varactor-LC tanks  
The present invention relates to a device for protecting high frequency RF integrated circuits from ESD damage. The device comprises at least one varactor-LC circuit tank stacked to avoid the...
6867957 Stacked-NMOS-triggered SCR device for ESD-protection  
Transistors with very thin gate oxides are protected against oxide failure by cascading two or more transistors in series between an output pad and ground. The intermediate source/drain node...
6862161 Methods and systems for improving ESD clamp response time  
The present invention relates to electrostatic discharge (ESD) protection and, more particularly, to methods and systems for improving response times of ESD triggering and clamping circuitry. An...
6836393 Resonance type power supply unit  
A power supply unit designed to control a power output and protect an overload easily, economically with little loss. A DC output which is generated by smoothing a rectified current of a rectifier...
6831822 Interference suppressor  
A suppression device for an electronic appliance having a plug-in device which has at least one plug-in element and is designed for attachment to a housing of the electronic appliance, with a...
6806806 Polymer fuse and filter apparatus  
A fuse and filter arrangement having a polymer fuse apparatus that provides bypass fuse protection. A polymer bypass fuse includes of an electrical conductor wherein a portion of the conductor is...
6778373 Rectifier circuit suited to power factor correction  
A rectifier circuit matched for power factor correction. A first diode (D1), a second diode (D2), a third diode (D3) and a fourth diode (D4) are in a bridge arrangement. A first pole (10) and a...
6774614 Method and apparatus for detecting current  
An apparatus for detecting currents in a three-phase power transmission system includes a first detection circuit electrically coupled to a first phase of the three-phase transmission system, a...
6775117 Zero threshold surge suppressor  
The present invention provides diode bridge and a parallel type, capacitor based, phase to phase surge suppressor. The suppressor acts to suppress transient energy as soon as the spike exceeds the...
6747856 Protective device against fault currents  
A device is for protecting against fault currents, even with frequencies of fault currents higher than 1 kHz. Additionally, it is for protecting against fires to dependably protect people. The...
6728089 Surge suppressor for wide range of input voltages  
The present invention is directed to a wide input voltage range surge suppressor. It includes a series circuit for attachment to an upstream AC power input, and to a downstream load. There is a...
6717789 Power supply rejection circuit for capacitively-stored reference voltages  
A power supply rejection circuit and method thereof for capacitively-stored reference voltages is disclosed. The power supply rejection circuit generally comprises a comparison circuit for...
6646850 High-voltage power breaker having an outlet flow channel  
A high-voltage power breaker includes two arcing contact pieces which are separated from one another when disconnected and between which an arc is struck in an arcing area. The arcing area is...
6639779 Frequency selective transient voltage protector  
A frequency selective transient voltage protector (FSTVP) circuit that may be used in connection with a communication line over which POTS and DSL service may be simultaneously provided. The FSTVP...
6636405 Mitigation of 3rd harmonic currents in electrical power distribution systems  
In a multiple phase system for supplying power from an AC source to nonlinear loads, a device for substantially eliminating currents in a neutral wire. The device includes a completely-passive...
6636407 Broadband surge protector for RF/DC carrying conductor  
A surge protector includes a coaxial through-section having a first inner conductor and a first outer conductor and a stub having a second inner conductor and a second outer conductor. The stub...
6624999 Electrostatic discharge protection using inductors  
The invention provides electrostatic discharge (ESD) protection for a circuit. In a preferred embodiment, an inductor is coupled between the output of the circuit and an ESD clamp circuit of a...
6577487 Reduction of harmonics in AC machines  
Connection arrangements are employed for reducing the effect of third-hannonic voltages in case of direct connection of AC machines to a three-phase distribution or transmission network, wherein...
6570750 Shunted multiple throw MEMS RF switch  
A micromechanical electrical systems (MEMS) metallic micromachined multiple ported electrical switch receivable on the die of an integrated circuit and within the integrated circuit package for...
6545850 Backplane power landing system  
A backplane power landing system having a backplane to which is attached extruded metal mounts on which are mounted compact power filter modules. The mounts are adapted to be conductively sealed,...
6493200 Coaxial cable protection device  
This invention provides improved methods of protection required under the 1999 edition of the National Electric Code, section NEC 830 requirement that if a drop coaxial cable (usually supplying an...
6490143 Blocking circuit for high voltage spike testing  
An apparatus to provide spike conduction and power supply isolation that is effective for a 60 Hz power supply operating frequency. The power frequency blocking circuit is practically implemented...
6483686 Circuit for indicating abnormality of three-mode surge absorber of public electric power and a multiple-end fuse  
A circuit for indicating abnormality of a three-mode surge absorber of a public electric power is disclosed. The circuit is serially connected between the input end and output end of a public...
6456478 Broad-band EMP surge diverter  
A broad-band EMP surge diverter in a coaxial line with a waveguide (20) placed in an outer conductor (10) and electrically connected via a short-circuit link (24) to the inner conductor (30) of...
6437955 Frequency-selective circuit protection arrangements  
A conventional ground fault circuit interrupter (GFCI) is modified to provide frequency-selective current protection. A control element is connected in series with the line path (or return path)...
6433985 ESD network with capacitor blocking element  
An ESD protection network is described which prevents high voltage oxide stress. The network consists of a filter network (such as a blocking capacitor) and diode protection elements. The filter...
6385030 Reduced signal loss surge protection circuit  
A surge protection circuit is coupled to the wires that transport digital signals between a local unit, such as an ONU, and a remote unit, such as a NID. The surge protection circuit includes a...
6385029 Total electrical transient eliminator  
An apparatus and method for attenuating high frequency transients on AC power lines from damaging sensitive electrical and electronic circuits in an electrical load coupled to the AC power lines...

Matches 1 - 50 out of 214 1 2 3 4 5 >