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8179203 |
Wireless electrical device using open-circuit elements having no electrical connections
A wireless electrical device includes an electrically unconnected electrical conductor and at least one electrically unconnected electrode spaced apart from the electrical conductor. The electrical...
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8174335 |
Process for reduction of the common mode current for power line communications equipment
A process for reducing common-mode current in a power-line communication equipment, where a power-line network is used as a communication medium, includes applying a signal transmitted by the...
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8169273 |
Flat uniform transmission line having electromagnetic shielding function
Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and...
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8138849 |
Transmission lines applied to contact free slip rings
A non-contacting rotary interface has a first core with a first pair of balanced transmission lines coupled to the first core and a second core moveable in relation to the first core with a second...
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8130054 |
Frequency-adjustable radio frequency isolator circuitry
The present invention relates to a frequency-adjustable radio frequency (RF) isolator that may operate as a bandpass filter when processing RF signals in a forward direction and may operate as a...
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8085109 |
Electrical funnel: a novel broadband signal combining method
An electrical signal transformation device configured for emulation of physical, for example, optical, phenomena and/or a mathematical or logical process. The device employs a first plurality,...
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8072295 |
Frequency agile variable bandwidth radio frequency cavity resonator
A radio frequency (RF) cavity resonator having a resonator chamber and one or more RF coupling loop assemblies is presented. The RF coupling loop assembly has a connector with a first connector...
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8058943 |
Flat uniform transmission line having electromagnetic shielding function
Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and...
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8058948 |
Signal splitter with improved transmisson line transformer
A splitter circuit for use in a CATV network. A signal input communicates with a first balun to supply two signal outputs, wherein the first balun is impedance matched to the impedance of the input...
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8044747 |
Capacitor coupled Ethernet
A system and method for enabling power applications over a single conductor pair. In one embodiment, data transformers are coupled to a single conductor pair using one or more direct current (DC)...
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8008986 |
Apparatuses and methods for coupling a signal to and/or from a cable
Apparatuses and methods for coupling a signal to and from a twisted pair cable by non-contact coupling with twisted pairs in the twisted pair cable, such that the signal propagates along the cable...
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8008985 |
High-frequency electric field coupler, communication system, and communication apparatus
A high-frequency electric field coupler is provided for use in a contactless communication system propagating high frequency signals in a wide band utilizing electric field coupling. The coupler...
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7953997 |
Power amplifier
A power amplifier includes a power distribution circuit which distributes an input signal into signals and outputs the signals, amplification circuits which amplify the respective signals outputted...
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7911290 |
Transmission line system for a digital signal having a transfer bus shielded from disturbances by at least one conductive line
A transmission system for a digital signal includes a transmitter and a receiver connected thereto by a transfer bus. The transmission system includes at least one conductive line capacitively...
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7898355 |
Flat uniform transmission line having electromagnetic shielding function
Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and...
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7899395 |
Apparatus and systems for electrically isolating a receiver from an antenna
Various embodiments of apparatus and systems are provided for electrically isolating two devices while transferring power and RF signals therebetween. An electrical isolation apparatus includes an...
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7889022 |
Electromagnetically coupled interconnect system architecture
An electromagnetic interconnect method and apparatus effects contactless, proximity connections between elements in an electronics system. Data to be communicated between elements in an electronic...
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7863997 |
Compact tuner for high power microwave source
A compact, high speed, miniaturized adaptive controller for a microwave power generator. A pair of directional couplers are arranged between a microwave source and a circulator to measure forward...
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7834719 |
Lange-ferrite circulator for simultaneous transmit and receive (STAR) with high isolation and noise suppression
A three port circulator capable of simultaneous transmit and receive operations, high frequency, enhanced high isolation, noise suppression at the receive port and broadband performance comprising:...
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7834715 |
Circuit system
A circuit system includes: a master node; and a slave portion including a plurality of non-grounded slave nodes, each of which couples with the master node through a pair of communication lines....
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7808338 |
Circuit topology for multiple loads
A circuit topology for multiple loads includes a driving terminal for transmitting a driving signal, a number of transmitting lines, and a number of loads operable to receive the driving signal...
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7800459 |
Ultra-high bandwidth interconnect for data transmission
In some embodiments an interconnect includes a waveguide and a transmission line coupled in parallel with the waveguide. Other embodiments are described and claimed.
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7782159 |
Large diameter RF rotary coupler used with a passive RF sensor
A rotary coupler comprises a stator 1 having a first face 3a and a rotor 2 having a second face 4a, the first and second faces 3a, 4a being spaced apart from and facing each other. A first...
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7777588 |
Transmission path for use in RF fields
A transmission path (13) for transmitting high frequency (RF) signals is disclosed, which comprises a plurality of lead segments (20, 21, 22) which are coupled to one another on one end by a...
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7768363 |
Inter-stage coupling with a transformer and parallel AC-coupling capacitor
An RF coupling circuit including a transformer and a parallel AC-coupling capacitor can advantageously ameliorate substantial attenuation of a signal, prevent destabilization of any feedback loop,...
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7760045 |
Semiconductor device interconnecting unit, semiconductor device, high-frequency module, and semiconductor device interconnecting method
A semiconductor device interconnecting unit for inputting/outputting a high-frequency signal having a millimeter wave band to/from a semiconductor device includes a part of a band pass filter and a...
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7760141 |
Method for coupling a radio frequency electronic device to a passive element
A method for coupling a radio frequency electronic device (14) to a passive element (12), such as an antenna, the passive element including a body having an impedance at the operating frequency....
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7760155 |
Integrated coupler
A non-directional coupler including a semiconductor junction in series with a capacitor, the semiconductor junction being formed so that the threshold frequency short of which it behaves as a...
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7750754 |
Base unit and device for the transfer of electromagnetic fields
A metamaterial is proposed which is composed of base elements having six ports with two ports, respectively. The base element further comprises four nodes connected with a central point via...
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7728692 |
Reduction of noise in a metallic conductor signal pair using controlled line balancing and common mode impedance reduction
In order to reduce noise on twisted metallic pair signal conductors, circuits are disclosed in which the signal balance between the wires of the pair is significantly improved, thereby reducing the...
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7719380 |
AC coupling circuit
An AC coupling circuit is disclosed herein. An embodiment of the circuit comprises a first differential input and a second differential input. A first resistor is connected between the first...
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7716001 |
Delay line calibration
A tunable delay line is calibrated to maintain the delay of the delay line at a desired value or within a desired range of values. In some aspects a signal is passed through a delay line multiple...
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7701309 |
Power inserter module
A power inserter module includes an FIC male first port for a direct connection without use of cable to a female F-type output port of a DC source of power, an F-type female second port for...
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7696836 |
Ethernet coupling
Improved coupler for Ethernet over twisted pair. An improved coupler has a first common mode choke for connecting an Ethernet PHY to the primary winding of a transformer. The secondary winding of...
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7696835 |
Communication system, transmitting device, transmitting method, receiving device, and receiving method
A communication system includes a transmitting device configured to transmit data and a receiving device configured to receive the data. The transmitting device includes first and second...
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7696837 |
RF system having a one-dimensional nanostructure multi-port coupler
A one-dimensional nanostructure multi-port coupler (100, 300, 400, 600) is provided for use in an RF device (700). The coupler (100, 300, 400, 600) includes a first plurality of one-dimensional...
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7692125 |
Evanescent wave coupling for Fresnel direction finding
An apparatus includes a radome and an evanescent wave-coupled windowing system in the radome. In operation, the apparatus receives radiation reflected from an object that is incident upon a...
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7667556 |
Integrated power combiner/splitter
A combiner/splitter with distributed lines including a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level; a second...
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7649429 |
Controlling coupling strength in electromagnetic bus coupling
A controller sends signals to an electromagnetic coupler associated with a bus. The signals are arranged to set a coupling strength of the coupler.
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7633353 |
Balun circuit and frequency converting apparatus
A balun circuit is provided that includes a first coupling line in which an unbalanced line thereof is connected to a first terminal and a balanced line thereof is electrically connected to a...
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7623006 |
Power combiner/splitter
A distributed combiner/splitter having a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level, and a second line...
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7616076 |
Radio frequency coupling structure for coupling a passive element to an electronic device and a system incorporating the same
A coupling structure for coupling a device operable at a radio frequency with a body is formed of a polymeric material loaded with a conductive filler. A portion of the surface of the body defines...
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7612631 |
Motherboard
A motherboard includes a signal control chip, a signal switch chip connected to the signal control chip via a plurality of first transmission lines, and a complex connector configured for...
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7612630 |
Electromagnetically coupled interconnect system architecture
An electromagnetic interconnect method and apparatus effects contactless, proximity connections between elements in an electronics system. Data to be communicated between elements in an electronic...
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7605671 |
Component-less termination for electromagnetic couplers used in high speed/frequency differential signaling
Component-less termination for electromagnetic couplers used in high speed/frequency differential signaling is described. In one embodiment, the apparatus includes a first signal line and a second...
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7548134 |
Transmission line transformer
A transmission line transformer is disclosed. The transformer improves efficiency and a dynamic range of a power amplifier. The transformer is formed to have a plurality of load impedances as the...
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7541890 |
Quasi active MIMIC circulator
A circulator capable of simultaneous transmit and receive operations, high frequency, and high isolation and broadband performance comprising: an antenna port; a transmission port; a receiving...
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7518472 |
Transmission line connecting structure and transmission/reception device
A transmission line having a slot line with a slot formed on a front surface electrode on a dielectric substrate, and two such slot lines are positioned with the front surface electrodes separated...
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7518465 |
Tunable high impedance surface device
A tunable high impedance surface device (100) includes a conductive ground plane (105) and a plurality of conductive elements (110-114) electrically connected to the conductive ground plane (105)....
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7515021 |
Split-ring coupler incorporating dual resonant sensors
A split ring coupler comprising a stator ring having at least one split in it such that the stator has at least a first and a second end and a rotor ring having at least one split in it such that...
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