| Entries |
| Document | Title | Date |
|---|
| 20080315969 | Waveguide Correlation Unit and a Method for its Manufacturing - A waveguide correlation unit and a method for manufacturing the same are disclosed. The waveguide correlation unit includes stacked first and second waveguide plates having an identical configuration, wherein a central coupling plate is disposed therebetween. Due to the identical configuration of the first and second waveguide plates, mechanical uncertainties may significantly be reduced, since both plates may be formed in a common process without the repositioning activities during the manufacturing process. | 12-25-2008 |
| 20090033436 | Directional Coupler in Coaxial Line Technology - A directional coupler comprising a first connection for the inlet or outlet of a shaft, a first decoupling connection which is used to decouple a coupled shaft, a second connection for the inlet or outlet of the inlet or outlet shaft from the first connection and a second decoupling connection which is used to decouple the coupled shaft. The first connection and the first decoupling connection are connected to the internal conductor and to the external conductor of a coaxial conductor on the first connection surface thereof, by means of a first network. The second connection and the second decoupling connection are connected to the internal conductor and to the external conductor of the coaxial conductor on the second connection surface thereof, by means of a second network. The coaxial conductor is curved in such a manner that it is arranged in a parallel manner in relation to the first and second connection surfaces thereof, with a planar circuit board containing the first connection, the second connection, the first decoupling connection and/or second decoupling connection. | 02-05-2009 |
| 20090051461 | OUTPUT POWER DETECTING SYSTEM WITH A DIRECTIONAL COUPLER - A output power detecting system with a directional coupler has a directional coupler at the output terminal of the output power detecting system. The directional coupler includes a main line, a first sub line, and a second sub line. The output of the power amplifying unit is fully coupled to a power detecting unit via the coupling between the main line and the first sub line, and the external noise is coupled to the ground via the coupling between the first sub line and the second sub line. Therefore, the power detecting unit accurately detects the output power of the output power detecting system. | 02-26-2009 |
| 20090128255 | INTEGRATED BIDIRECTIONAL COUPLER - A distributed-line directional coupler including: a first conductive line between first and second ports intended to convey a signal to be transmitted; and a second conductive line, coupled to the first one, between third and fourth ports, the second line being interrupted approximately at its middle, the two intermediary ends being connected to attenuators. | 05-21-2009 |
| 20090189711 | RF SYSTEM HAVING A ONE-DIMENSIONAL NANOSTRUCTURE MULTI-PORT COUPLER - A one-dimensional nanostructure multi-port coupler ( | 07-30-2009 |
| 20090231055 | MULTI-LEVEL POWER AMPLIFICATION SYSTEM - In general, in accordance with an exemplary aspect of the present invention, an electrical system configured to use power combining of microwave signals, such as those from monolithic microwave integrated circuits or MMICs is provided. In one exemplary embodiment, the system of the present invention further comprises a low loss interface that the circuits are directly connected to. In another exemplary embodiment, the circuits are connected to a pin which is connected to the low loss interface. In yet another exemplary embodiment of the present invention, a multi-layer power amplifier is provided that comprises two or more chassis and circuits attached to impedance matching interfaces according to the present invention. This multi-layered power amplifier is configured to amplify an energy signal and have a significantly reduced volume compared to existing power combiners. | 09-17-2009 |
| 20090256647 | Band Blocking Filter for Attenuating Unwanted Frequency Components - A band-blocking filter for attenuating an unwanted frequency component in a signal having a plurality of frequency components is disclosed. The band-blocking filter includes an input port, a cancellation signal generator, and a combining circuit. An input signal having the plurality of frequency components including a first frequency component at a frequency of f | 10-15-2009 |
| 20100001810 | INTEGRATED DIRECTIONAL COUPLER - A coupler including: a first conductive line intended to convey a signal to be transmitted between first and second terminals; a second conductive line, coupled to the first one and having one end intended to provide, on a third terminal, data relative to a signal reflected on the second terminal; and an inductive and/or capacitive impedance matching circuit, interposed between the other end of the second line and a fourth terminal of the coupler. | 01-07-2010 |
| 20100026415 | Measuring Power - One aspect of the invention includes a directional coupler having a coupling factor in the forward direction determined from the equation | 02-04-2010 |
| 20100033264 | ORTHOGONAL-MODE JUNCTION COUPLER WITH AN ULTRABROAD OPERATING BANDWIDTH - The present invention relates to an orthogonal-mode junction coupler with an ultrabroad bandwidth or a wavelength waveguide noteworthy in that it includes what is called an external conductor ( | 02-11-2010 |
| 20100097160 | DIRECTIONAL COUPLER - A directional coupler capable of improving a directionality of a directional coupler body including four terminals. The directional coupler includes a directional coupler body including the four terminals of an input port, an output port, a coupling port, and an isolation port; and a combiner for combining powers of an output signal of the coupling port and an output signal of the isolation port of the directional coupler body; and a directionality improving circuit for amplifying or attenuating at least one of the output signal of the coupling port and the output signal of the isolation port before outputting the same, and the combiner combines powers of the output signals amplified or attenuated by the directionality improving circuit. | 04-22-2010 |
| 20100102897 | DIRECTIONAL COUPLER AND TRANSMITTING/RECEIVING APPARATUS - A directional coupler has first to fourth input/output terminals, a first phase shifting unit which is connected between the first input/output terminal and the second input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a second phase shifting unit which is connected between the third input/output terminal and the fourth input/output terminal, phase-shifts a supplied signal by 90° and outputs a resulting signal, a first amplifier having an input connected to the third input/output terminal and an output connected to the first input/output terminal, and a second amplifier having an input connected to the fourth input/output terminal and an output connected to the second input/output terminal. | 04-29-2010 |
| 20100188164 | POWER DEVICE AND A METHOD FOR CONTROLLING A POWER DEVICE - An RF power device that includes a transistor with a compact impedance transformation circuit, where the transformation circuit includes a lumped element CLC analogue transmission line and an associated embedded directional bilateral RF power sensor that is inductively coupled to the transmission line to provide detection of direct and reflected power independently with high directivity. | 07-29-2010 |
| 20100265005 | PCB Mounted Directional Coupler Assembly - A coupler assembly includes a monolithic body ( | 10-21-2010 |
| 20100289598 | QUADRATURE-DIRECTED QUASI CIRCULATOR - A circulator capable of simultaneous transmit and receive operations, high frequency, high isolation and noise figure suppression comprising: an antenna port; a transmission port; a receiving port; three quadrature hybrids, two directional couplers; wherein transmit signal entering the transmit port are split into quadrature components and coupled separately and directionally by the two directional couplers to the antenna port where the coupled quadrature components of the transmit signal are recombined in phase, while the transmit leakage to the receive port are recombined destructively in phase; said arrangement simultaneously allows the receive signal entering the antenna port to be split into quadrature components by the antenna quadrature hybrid and transmitted through the directional couplers separately and entering the receive quadrature hybrid where the quadrature components of the receive signal are recombined in phase at the receive port; said arrangement reduces the insertion loss from the antenna port to the receive port. | 11-18-2010 |
| 20100327990 | APPARATUS FOR REMOVING LEAKAGE SIGNAL - An apparatus for removing a leakage signal includes a coupler including a transmission port through which a transmission signal is input, an antenna port through which the transmission signal is output to an antenna and a receiving signal is input from the antenna, and a receiving port through which the receiving signal is output; and a removing unit which outputs, to the receiving port, a leakage removing signal having a same magnitude as one of or a sum of a magnitude of a first leakage signal of the transmission signal, which is generated at the transmission port and input to the receiving port, and a magnitude of a second leakage signal of the transmission signal which is input to the receiving port through the antenna port, the leakage removing signal having an opposite phase to one of the phases or an aggregate phase of the first and second leakage signals. | 12-30-2010 |
| 20110063044 | CAPACITIVE COMPENSATION OF CASCADED DIRECTIONAL COUPLERS - A cascaded directional couplers circuit having capacitive compensation such that the directivity of a resistively terminated one of the cascaded couplers is not degraded by an inductance of the other one of the cascaded directional couplers. | 03-17-2011 |
| 20110090023 | COMPOSITE RIGHT/LEFT (CRLH) COUPLERS - High-frequency couplers and coupling techniques are described utilizing artificial composite right/left-handed transmission line (CRLH-TL). Three specific forms of couplers are described; (1) a coupled-line backward coupler is described with arbitrary tight/loose coupling and broad bandwidth; (2) a compact enhanced-bandwidth hybrid ring coupler is described with increased bandwidth and decreased size; and (3) a dual-band branch-line coupler that is not limited to a harmonic relation between the bands. These variations are preferably implemented in a microstrip fabrication process and may use lumped-element components. The couplers and coupling techniques are directed at increasing the utility while decreasing the size of high-frequency couplers, and are suitable for use with separate coupler or couplers integrated within integrated devices. | 04-21-2011 |
| 20110227667 | WAVEGUIDE TYPE RAT-RACE CIRCUIT AND MIXER USING SAME - Disclosed is a waveguide type rat-race circuit capable of being used suitably in a high-frequency region; further disclosed is a mixer using said circuit. This waveguide type rat-rate circuit is equipped with a circular waveguide part ( | 09-22-2011 |
| 20110254638 | METHOD AND APPARATUS FOR MANAGING INTERFERENCE IN A COMMUNICATION DEVICE - A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to be coupled to at least one of a transmitter portion and a receiver portion of a communication device, where the tunable reactance circuit is adjustable to a plurality of tuning states, and where the determination of a tuning state is based on whether detected signal measurements are determined to be invalid and is based on information from at least one of an open-loop or closed-loop feedback configuration of the tunable reactance circuit. Additional embodiments are disclosed. | 10-20-2011 |
| 20120013418 | APPARATUS AND METHOD FOR DETECTING TRANSMISSION AND RECEPTION SIGNAL - Provided is a transmission and reception signal detecting apparatus, which includes a directional coupler and a signal detecting part. The directional coupler includes a first port and a second port. The signal detecting part is connected to the first and second ports of the directional coupler and detects an output of a first signal transmitted through the first port and an output of a second signal transmitted through the second port. The signal detecting part is connected to the first port under a first operation condition. The signal detecting part is connected to the second port under a second operation condition. | 01-19-2012 |
| 20120038433 | REDUCING COUPLING COEFFICIENT VARIATION BY USING ANGLED CONNECTING TRACES - A coupler is presented that has high-directivity and low coupling coefficient variation. The coupler includes a first trace associated with a first port and a second port. The first trace includes a first main arm, a first connecting trace connecting the first main arm to the second port, and a non-zero angle between the first main arm and the first connecting trace. Further, the coupler includes a second trace associated with a third port and a fourth port. The second trace includes a second main arm. | 02-16-2012 |
| 20120182085 | TERMINAL CIRCUIT AND BI-DIRECTIONAL COUPLER USING THE TERMINAL CIRCUIT - A terminal circuit is applied to a bi-directional coupler. The terminal circuit includes a transmission line having a first end and a second end, a first resistor connecting the first end and a first ground and a second resistor connecting the second end and a second ground. A resistance value of the first resistor is substantially identical to that of the second resistor. | 07-19-2012 |
| 20120194293 | IMPROVEMENT OF THE SELECTIVITY OF A DUAL COUPLER - A directional dual distributed coupler including: a first conductive line between first and second ports, intended to convey a signal to be transmitted in a first frequency band; a second conductive line coupled to the first one; a third conductive line between third and fourth ports, intended to convey a signal to be transmitted in a greater frequency band than the first one; a fourth conductive line coupled to the third one; and at least one diplexer connecting, on the side of the second and fourth ports, the respective ends of the second and fourth lines to a fifth port. | 08-02-2012 |
| 20130038403 | DIFFERENTIAL COUPLER - A distributed differential coupler, including a first conductive line and two second conductive lines coupled to the first one, each second conductive line including two conductive sections electrically in series, their respective junctions points being intended to be grounded. | 02-14-2013 |
| 20130120076 | DIRECTIONAL COUPLER - In a directional coupler, a laminated body includes a plurality of insulator layers that are laminated to one another. A main line and a sub-line are embedded in the laminated body, include spiral-shaped portions including central axes parallel or substantially parallel to a z-axis direction, and are electromagnetically coupled to each other. The main line and the sub-line have the same or substantially the same shape and are provided within regions coinciding or substantially coinciding with each other in a y-axis direction. | 05-16-2013 |
| 20130222076 | COUPLING APPARATUS FOR DIVIDING RECEIVING AND TRANSMITTING SIGNALS AND CONTROL METHOD THEREOF - The present invention is directed to a coupling apparatus for dividing a radio frequency (RE) transmitting signal and an RF receiving signal in a transceiver with a transmitting unit and a receiving unit sharing an antenna, comprising: a four-port circuit having ports | 08-29-2013 |
| 20130241667 | DIRECTIONAL COUPLER - A directional coupler includes in a laminate block, a first main line, a first sub-line, a second sub-line, and a second main line sequentially provided in a lamination direction of layers. Further, each of the first main line, the first sub-line, the second sub-line, and the second main line is divided into at least two divided coil conductors. Furthermore, at least two divided ground conductors are provided between the first sub-line and the second sub-line. | 09-19-2013 |
| 20130241668 | DIRECTIONAL COUPLER - In a directional coupler, even when parasitic inductance exists, an increase in device size can be suppressed while obtaining good isolation characteristics. A transmission line type directional coupler includes a main line and a sub line that is coupled to the main line through electric field coupling and magnetic field coupling. The main line includes a signal input port and a signal output port, and the sub line includes a coupling port and an isolation port. A series capacitor is connected to only one of the signal output port and the coupling port. | 09-19-2013 |
| 20130257559 | INTEGRATED BIDIRECTIONAL COUPLER - A distributed-line directional coupler including: a first conductive line between first and second ports intended to convey a signal to be transmitted; and a second conductive line, coupled to the first one, between third and fourth ports, the second line being interrupted approximately at its middle, the two intermediary ends being connected to attenuators. | 10-03-2013 |
| 20130293317 | DIRECTIONAL COUPLER - The invention relates to a directional coupler ( | 11-07-2013 |
| 20130300518 | DIRECTIONAL COUPLER - In a directional coupler, a first low pass filter includes a first coil that is connected between a first outer electrode and a main line and has a characteristic in which attenuation increases with increasing frequency in a certain frequency band. A second low pass filter includes a second coil that is connected between a second outer electrode and the main line and has a characteristic in which attenuation increases with increasing frequency in the certain frequency band. A high pass filter is connected, in parallel to the main line, between a point between the first coil and the first outer electrode and a point between the second coil and the second outer electrode and has a characteristic in which attenuation decreases with increasing frequency in the certain frequency band. | 11-14-2013 |
| 20140091876 | USE OF ELECTRICAL POWER MULTIPLICATION FOR POWER SMOOTHING IN POWER DISTRIBUTION - A system for power smoothing in power distribution and methods are provided. In one embodiment, a power multiplying network is provided that comprises a multiply-connected, velocity inhibiting circuit constructed from a number of lumped-elements. The power multiplying network is coupled to a power distribution network. The power multiplying network is configured to store power from and supply power to the power distribution network. | 04-03-2014 |
| 20140292439 | DIRECTIONAL COUPLER - Disclosed is a directional coupler including a broadside coupled line | 10-02-2014 |
| 20150084715 | OUTPUT MATCH DIRECTIONAL COUPLER - A directional coupler that provides directional coupling and an impedance transformation is disclosed. In one embodiment, the directional coupler includes a low pass filter having a filter inductor that is coupled between an input port and an output port and a filter capacitor coupled between the output port and ground. The directional coupler also includes detector circuitry wherein the filter inductor is magnetically coupled to a detector inductor in the detector circuitry such that current passing through the filter inductor generates a detector current through the detector inductor. Furthermore, the low pass filter and the detector circuitry cooperate to transform a first impedance presented at the output port to a second impedance presented at the input port. Accordingly, the filter inductor is used in the low pass filter to provide an impedance transformation so as to operate with the detector circuitry to provide a detector current for directional coupling. | 03-26-2015 |
| 20150091668 | System and Method for a Radio Frequency Coupler - In accordance with an embodiment, a directional coupler includes a coupler circuit and at least one amplifier coupled between a coupler circuit isolated port and a directional coupler isolated port and/or between a coupler circuit coupled port and a directional coupler coupled port. In various embodiments, the directional coupler is disposed over and/or in a substrate. | 04-02-2015 |
| 20160043458 | DEVICES AND METHODS RELATED TO DIRECTIONAL COUPLERS - Devices and methods related to directional couplers. In some implementations, a coupler can include a driver arm and a coupler arm implemented relative to the driver arm to detect power of an RF signal. Portions of the driver and coupler arms can form an overlapping region, with at least one of the driver and coupler arms having a non-straight arm shape. The overlapping region can include a non-zero lateral offset between the driver and coupler arms. In some implementations, a coupler can include a driver arm having input and output sides, and a coupler arm having input and output sides and implemented relative to the driver arm to detect power of an RF signal. The coupler can further include a phase-shifting feature implemented with respect to at least one of the driver and coupler arms to reduce phase difference of power ripples associated with the coupler. | 02-11-2016 |
| 20160197393 | DIRECTIONAL COUPLER AND COMMUNICATION DEVICE INCLUDING SAME | 07-07-2016 |
| 20190148809 | CABLE TAP | 05-16-2019 |
