Patent application number | Description | Published |
20090219213 | Multi-Metamaterial-Antenna Systems with Directional Couplers - Examples of apparatus and techniques for providing metamaterial (MTM) multi-antenna array systems with directional couplers for various applications. | 09-03-2009 |
20090245146 | Advanced Active Metamaterial Antenna Systems - Techniques, antenna systems and apparatus based on composite right and left handed (CRLH) metamaterial (MTM) structures to couple CRLH MTM circuits to transistors to amplify signals in wireless RF receivers and transmitters. | 10-01-2009 |
20090289737 | COMPACT DUAL-BAND METAMATERIAL-BASED HYBRID RING COUPLER - A compact multi-band hybrid ring (rat-race) coupler utilizing a ring of composite right-handed and left-handed (CRLH) transmission lines (TLs) and multiple ports, provides miniaturization and the ability to operate at arbitrary frequency bands unlike conventional couplers. The hybrid ring is made compact, such as by constraining phase delay contributions |φ | 11-26-2009 |
20090295473 | Power Amplifier Architectures - Implementations and examples of power amplifier devices, systems and techniques for amplifying RF signals, including power amplifier systems based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 12-03-2009 |
20100073254 | Metamaterial Loaded Antenna Devices - Techniques and devices based on antenna structures with a MTM loading element. | 03-25-2010 |
20100110943 | ADVANCED ACTIVE METAMATERIAL ANTENNA SYSTEMS - Techniques, antenna systems and apparatus based on composite right and left handed (CRLH) metamaterial (MTM) structures to couple CRLH MTM circuits to transistors to amplify signals in wireless RF receivers and transmitters. | 05-06-2010 |
20100117908 | MULTI-METAMATERIAL-ANTENNA SYSTEMS WITH DIRECTIONAL COUPLERS - Examples of apparatus and techniques for providing metamaterial (MTM) multi-antenna array systems with directional couplers for various applications. | 05-13-2010 |
20100157858 | RF FRONT-END MODULE AND ANTENNA SYSTEMS - Architectures and implementations of a transceiver system for wireless communications are presented, the system including one or more antennas supporting a single frequency band or multiple frequency bands, a transmit circuit, a receive circuit, and an isolation circuit that is coupled to the one or more antennas and the transmit and receive circuits and provides adequate isolation between the transmit circuit and the receive circuit. | 06-24-2010 |
20100176880 | POWER AMPLIFIER ARCHITECTURES - Implementations and examples of power amplifier devices, systems and techniques for amplifying RF signals, including power amplifier systems based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 07-15-2010 |
20100231470 | MULTIBAND COMPOSITE RIGHT AND LEFT HANDED (CRLH) SLOT ANTENNA - This application relates to slot antenna devices based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 09-16-2010 |
20110156963 | ANTENNA DEVICES HAVING FREQUENCY-DEPENDENT CONNECTION TO ELECTRICAL GROUND - Antenna devices and techniques that provide specific control of the spatial distributions of DC and RF signals at various positions in a wireless apparatus are disclosed. The wireless apparatus includes various device components each having specifications for achieving desired operations in antenna devices. | 06-30-2011 |
20120258677 | POWER AMPLIFIER ARCHITECTURES - Implementations and examples of power amplifier devices, systems and techniques for amplifying RF signals, including power amplifier systems based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 10-11-2012 |