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| Number | Title | Issue Date |
| 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 conductor is shaped for storage of an electric field and a magnetic ... | 05/15/2012 |
| 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 pair of balanced transmission lines coupled to the second core and co... | 03/20/2012 |
| 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 notch filter when processing RF signals in a reverse direction. The not... | 03/06/2012 |
| 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, second plurality and third plurality of electrical components each having... | 12/27/2011 |
| 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) blocking elements that preserve an alternating current path. Power is ... | 10/25/2011 |
| 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 between at least two of the twisted pairs. In particular, a coupling ... | 08/30/2011 |
| 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 includes a coupling electrode and a resonance unit operating to increas... | 08/30/2011 |
| 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 system are modulated into a carrier signal and transmitted contactles... | 02/15/2011 |
| 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 and reverse power. An electromagnet in the circulator may be controlle... | 01/04/2011 |
| 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. The master node and the slave portion provide a differential transmissi... | 11/16/2010 |
| 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 from the driving terminal. The number of loads are connected to the driv... | 10/05/2010 |
| 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. ... | 09/21/2010 |
| 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 capacitive coupling element (30) and on the other end ... | 08/17/2010 |
| 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 remainder is provided. The part of a band pass filter is configured ... | 07/20/2010 |
| 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 differential input and the second differential input. A first capacitor is ... | 05/18/2010 |
| 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 connection to an RF amplifier to provide DC power thereto and receive RF sig... | 04/20/2010 |
| 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 nanostructures (102) aligned substantially i... | 04/13/2010 |
| 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 the transformer connects through a second common mode choke for connec... | 04/13/2010 |
| 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. ... | 01/19/2010 |
| 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 a coupling area of a predetermined shape that receives a conductive p... | 11/10/2009 |
| 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 connecting to a first type of transmission device or a second type of transmis... | 11/03/2009 |
| 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 system are modulated into a carrier signal and transmitted contactles... | 11/03/2009 |
| 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 signal line forming a differential pair, a first electromagnetic coup... | 10/20/2009 |
| 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 primary side of the transmission line transformer is separated to form... | 06/16/2009 |
| 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). The device (100) also inclu... | 04/14/2009 |
| 7432782 | Signal splitter A signal splitter includes a low-pass filter circuit for permitting a low-frequency component of an incoming signal in an incoming telephone line coupled to a first connecting port to pass therethrough to a second connecting port, and a coupling circuit including a ... | 10/07/2008 |
| 7421058 | Device for non-contacting transmission of electrical signals between two relatively moving parts, with reduced perturbing radiation A device for non-contacting transmission of electrical signals between one part moving relative to another part has at least one strip conductor pair for symmetrical signal transmission attached on a first of the two parts, in which strip conductor pair the electric... | 09/02/2008 |
| 7411470 | 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. ... | 08/12/2008 |
| 7408425 | Differential signal termination block A termination block provides a pair of coaxial connectors for a differential signal source and a pair of coaxial connectors for connection to a single ended coaxial input. Passive electrical components provide impedance matching while maintaining phase-matched true ... | 08/05/2008 |
| 7397321 | Digitally controlled circulator and radio frequency identification reader having the same Provided are a digitally controlled circulator and a radio frequency identification (RFID) reader having the circulator. A power splitter is composed of lumped elements and the values of the elements are digitally changed using switching means, in which the transmis... | 07/08/2008 |
| 7378921 | Coupling arrangement for RF-based differential signal transmission The present invention provides a coupling arrangement for coupling out a RF signal of a transmission line connecting a first and a second RF unit, such like an IQ modulator and a power amplifier. The coupling arrangement comprises first and second coupling means tha... | 05/27/2008 |
| 7375603 | 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 rectifier is smaller than the coupler's operating frequency. ... | 05/20/2008 |
| 7372288 | Test apparatus for testing multiple electronic devices There is disclosed a test apparatus including a driver that outputs a test signal, a first switch that is provided between the driver and a terminal of the first device under test, a second switch that is provided between the driver and a terminal of the second devi... | 05/13/2008 |
| 7372354 | Detector circuit to be used for measuring current A detector circuit to be used for measuring current and including a main current transformer and two substantially identical auxiliary current transformers, where magnetomotive forces are induced by a main current, said magnetomotive forces being counteracted by mag... | 05/13/2008 |
| 7369045 | Monitoring system and device for an electric power line network A device is provided for monitoring an electric overhead line, which device is constituted by an independently operating real time multisensor for mounting in a position on a span of the overhead line. The device has a built-in transmitter for transmitting sensor si... | 05/06/2008 |
| 7365532 | Apparatus to receive signals from electromagnetic coupler In at least one embodiment an apparatus is provided that includes an electromagnetic coupler probe to provide sampled electromagnetic signals and an electronics component to receive the sampled electromagnetic signals from the electromagnetic coupler probe and to pr... | 04/29/2008 |
| 7358806 | Method and apparatus for an improved power amplifier A power amplifier assembly has a first power amplifier with a first input conditioning circuit. At least first and second amplifiers are in parallel with each other and having inputs and outputs. An input signal is coupled to the inputs of the first and second ampli... | 04/15/2008 |
| 7348864 | Integrated MMIC modules for millimeter and submillimeter wave system applications An integrated circuit module comprising integrated coupling transmission structures protruding from the main body of the integrated circuit with extra substrate material removed around and/or under the coupling transmission structures. ... | 03/25/2008 |
| 7342466 | Hybrid coupler having resistive coupling and electromagnetic coupling In some embodiments, a hybrid coupler is provided with a resistive coupler to conductively tap a transmission line and an electromagnetic coupler to be disposed next to the transmission line to electromagnetically tap it. Other embodiments are disclosed herein. ... | 03/11/2008 |
| 7339443 | Common mode radiation inhibit circuit and electronic equipment To provide a common mode radiation inhibit circuit for a differential transmission line which can inhibit quadratic common mode radiation by ensuring a continuity of grand level at a point of change of a signal grand, including a differential transmission line which... | 03/04/2008 |
