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Class 333/109 - Using directional coupler


Subclass of Class 333 - Wave transmission lines and networks
Definition: Wave transmission systems including two transmission lines
No. of patents: 269
Last issue date: 05/01/2012


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NumberTitleIssue Date
8169277Radio frequency directional coupler device and related methods
An electronic device may include a printed circuit board (PCB) including a ground plane and having first and second opposing surfaces. The electronic device may also include a radio frequency (RF) directional coupler carried by the first surface of the PCB and inclu...
05/01/2012
8072288Directional 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 iso...
12/06/2011
7961064Directional coupler including impedance matching and impedance transforming attenuator
The present invention provides a compact weakly coupled directional coupler combined with an integrated impedance transformation and matching circuit where the impedance transformation and matching circuit facilitates the fabrication of a highly miniaturized directi...
06/14/2011
7859361Directional coupler
In a directional coupler with two coupled lines arranged in a flat chamber of an enclosed metal housing within the coupling region side-by-side in the longitudinal direction and at a spacing distance from one another, of which the ends are connected to connecting po...
12/28/2010
7855617Quadrature-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...
12/21/2010
7786823Power regulators
An apparatus for use with a power generator includes a first power splitter having an input port, wherein the input port is configured to connect to a power generator, a second power splitter having an output port, wherein the output port is configured to connect to...
08/31/2010
7705692High-frequency circuit and communications apparatus comprising same
A high-frequency circuit for use in a dual-band wireless communications apparatus selectively using first and second frequency bands, comprising a diplexer connected to the output of a power amplifier for sending either one of transmission signals in the first and s...
04/27/2010
7671699Coupler
Various directional coupler arrangements are disclosed. For instance, an apparatus includes first, second, and third conductive patterns disposed on a substrate. Each of these conductive patterns includes a first end and an opposite second end. Moreover, each of the...
03/02/2010
7671698Wide-band directional coupler
A directional coupler having a first structure with distributed lines having a first conductive line intended to convey a main signal between two end terminals and having a second conductive line, coupled to the first one, intended to convey a secondary signal propo...
03/02/2010
7564324Transformational bus coupling
Currently, in transformationally coupled linear data bus systems having separate transmission and reception lines, two transformers are used in order to achieve electrical isolation of data bus and terminal. According to one exemplary embodiment of the present inven...
07/21/2009
7443266Variable power coupling device
An apparatus and method for providing adaptive control of the output of a radio frequency coupler. Adaptive control may include providing a transmission line having a plurality of branches extending therefrom and terminating, correspondingly, with a plurality of ter...
10/28/2008
7429903Dual directional coupler with multi-stepped forward and reverse coupling rods
A dual directional coupler includes a housing, a main conductor, a forward coupled conductor and a reverse coupled conductor. The main conductor, the forward coupled conductor and the reverse coupled conductor are arranged in parallel within the housing such that th...
09/30/2008
7417516Monolithic microwave integrated circuit providing power dividing and power monitoring functionality
A monolithic integrated circuit for performing power dividing and power monitoring functions is disclosed. The monolithic integrated circuit includes a power dividing portion for dividing radio frequency (RF) signal power and a power monitoring portion for monitorin...
08/26/2008
7414493System including a high directivity ultra-compact coupler
A system with an RFin terminal and an RFout terminal includes an output matching network. The system further includes a coupler having a thru arm connected between the output matching network and the RFout terminal, and a coupled arm connected to a detector circuit....
08/19/2008
7394333Directional coupler
A coupler of distributed type including a first conductive line carrying a main signal between two end terminals, a second conductive line coupled to the first one and between two terminals of which flows a sampled signal, proportional to the main signal, and two ca...
07/01/2008
7385461Method of combining signals and device therefor
A bias T device (20) and a method for combining a first DC signal with a second RF signal is disclosed. The device (20) is provided with a first signal splitting means (30) in the form of a hybrid 90 degree (quadrature) coupler having at least t...
06/10/2008
7355492Electronically controlled hybrid digital and analog phase shifter
The inventions presented herein provide a electronically controlled phase shifters that incorporate analog and digital phase shift architectures in a novel manner that realizes the best advantages of each architecture. This combination of complementary phase shift a...
04/08/2008
7349673Adaptive radio transceiver with an antenna matching circuit
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ...
03/25/2008
7345557Multi-section coupler assembly
A coupler assembly may include first and second electromagnetic couplers connected together. In some examples, the couplers may be connected in cascade configuration, with at least the second coupler including at least third and fourth couplers connected in tandem c...
03/18/2008
7342467Variable power coupling device
An apparatus and method for providing adaptive control of the output of a radio frequency coupler. A plurality of input signals is provided to a multi-prong divider/combiner, the divider/combiner having a first and a second input terminals communicating a first and ...
03/11/2008
7336142High frequency component
The invention relates to a high frequency component of layered structure, and a method for manufacturing the component. The component comprises at least one dielectric layer parallel to the layers of the layered structure, at least two transmission lines for transmi...
02/26/2008
7323950Balanced hybrid coupler network
An electrical processing network including a first set of ports and a second set of ports electrically coupled to the first set of ports. The first set of ports are for a first set of signals with approximately 0° and 180° relative phase. The second set of ports a...
01/29/2008
7321276Independently adjustable combined harmonic rejection filter and power sampler
An adjustable low pass filter and directional coupler used in microwave communication are combined to reduce the size of the microwave circuit. The low pass filter portion and coupling portion are made independently tunable with a plurality of varactors and variable...
01/22/2008
7317902Successive log video pad power detector and method
A power detector which samples the output signal from a communications device and produces a control signal proportional to the transmit power level, comprising a series of diode detectors where the sampled signal is divided between the diode detectors by an attenua...
01/08/2008
7309994Integrated directional bridge
A directional bridge for measuring propagated signals to and from a source device to a load device where both the source device and load device are in signal communication with the directional bridge is disclosed. The directional bridge may include a first bridge ci...
12/18/2007
7282926Method and an apparatus for characterizing a high-frequency device-under-test in a large signal impedance tuning environment
An impedance tuning measurement setup and method for characterizing high frequency devices-under-test whereby one inserts an extremely low loss directive coupling structure between the terminal of the device-under-test and that part of the impedance tuner that gener...
10/16/2007
7254374Switchable multi-transmitter combiner and method
A transmitter-combining broadcast system and method is provided that allows IBOC-compatible broadcast with simple analog-to-IBOC upgradeability with high efficiency. At full power, a standard analog signal and an IBOC-compatible digital signal are transmitted by com...
08/07/2007
7252537Electromagnetic coupler registration and mating
A system includes a first bus coupler element, a second bus coupler element, and a visual element associated with the second bus coupler element and including a transparent media enabling the second coupler element to be visually aligned with the first coupler eleme...
08/07/2007
7248129Microstrip directional coupler
A microwave directional coupler includes a microstrip conductor formed on a dielectric substrate and forming a main transmission line having in and out ports that receive signals to be coupled. A substantially U-shaped microstrip conductor is formed over the dielect...
07/24/2007
7245192Coupler with edge and broadside coupled sections
Couplers are disclosed that include first and second mutually coupled conductors. The coupled conductors may be regular or irregular in configuration, and for example, may be linear, including rectilinear or with one or more curves, bends or turns, such as forming a...
07/17/2007
7245257Optimization of radar antenna switching hybrid in response to operating frequency
A radar system operates at various different frequencies, and routes power among various antennas by use of a hybrid arrangement. The system is precalibrated at each possible operating frequency by adjusting the phase shifts associated with the hybrid in a feedback ...
07/17/2007
7239165Pulse transport apparatus, systems, and methods
Apparatus and systems, as well as methods and articles, may operate to transmit an initial pulse to a directional coupler, where the initial pulse has an initial amplitude and a timed overshoot of a selected duration. Further activities may include stepping down the...
07/03/2007
7234948Directional coupler integrated with connectors
A connectors-integrated directional coupler is provided. The directional coupler includes a housing having a body, an input connector integrally extended from one end of the body, and an output connector integrally extended from the other end of the body. A main lin...
06/26/2007
7224244Line-doubler delay circuit
The length of a transmission line delay circuit is halved by inserting a directional coupler in the signal path ahead of the transmission line and either open circuiting or short circuiting the other end of the transmission line. The signal traveling through the dir...
05/29/2007
7221239Variable power divider
A variable power divider and method can vary the RF power between ports in a high power and multi-carrier RF environment, such as is used in controlling signals sent and received in a base station antenna. The variable power divider can include a single-control phas...
05/22/2007
7221236Waveguide communication system
A waveguide comprises a longitudinal first conductor (110) located in an inner space of a box-shaped longitudinal shield conductor which is provided with a slot (122) defining a sliding support for a substantially plate-shaped coupler (300). The...
05/22/2007
7212101Device for broadband electrical signal and/or energy transmission using a transmission system including couplers
An arrangement for broadband signal and/or energy transmission, between at least two units is disclosed. Said units may be displaced relative to each other along a track. Said arrangement comprises a first unit, which has a symmetrical open circuit arrangement with ...
05/01/2007
7212077Device for transmitting signals between movable units
A device for signal transmission between units that are movable along given tracks comprises at least one transmitter for generating electrical signals, at least one conductor arrangement for conducting the electrical signals along a track of movement, and at least ...
05/01/2007
7205865Power divider and combiner in communication system
Disclosed is a high frequency omni-directional 2-way power divider which includes one input terminal and two output terminals so that a signal inputted through the input terminal is uniformly distributed to the two output terminals. The high frequency omni-direction...
04/17/2007
7202760Resistive voltage divider
A radio-frequency impedance device includes a resistor device mounted on a surface of a dielectric layer, and adapted to be connected between a transmission line and an output terminal associated with a load impedance. A ground conductor may extend opposite a portio...
04/10/2007
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