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Class Information
Number: 455/273
Name: Telecommunications > Receiver or analog modulated signal frequency converter > With wave collector (e.g., antenna) > Plural separate collectors > With particular output combining
Description: Subject matter including significant details relating to particular combining means in the output circuit of the antennas or collectors and in which the single input to the receiver is a resultant function of the combination in some manner the various outputs of a plurality of separate collectors or antennas.

Sub-classes under this class:

Class Number Class Name Patents
455/274 Loop or coil antenna 41

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8693599 Wireless receiving apparatus Apr. 8, 2014
8682270 Receiver having multipath equalizer Mar. 25, 2014
8676141 Power control based on mobile receive diversity Mar. 18, 2014
8665152 Enhancing reception of signals in global positioning system (GPS) receiver module Mar. 4, 2014
8639204 Multi-beam active phased array architecture Jan. 28, 2014
8630601 Active channelized integrated antenna system Jan. 14, 2014
8606206 Traveling wave beamforming network Dec. 10, 2013
8600328 RF transceiver front-end Dec. 3, 2013
8583067 Apparatus and method for improved wireless communication reliability and performance in process control systems Nov. 12, 2013
8571507 Analog signal processing device for phased array antennas Oct. 29, 2013
8565196 Simultaneous use of multiple phone numbers in mobile device by sharing hardware Oct. 22, 2013
8548031 Antenna diversity system with frame synchronization Oct. 1, 2013
8548407 Apparatus to communicate multiple signals from multiple antennas on a single cable Oct. 1, 2013
8509724 Switched beam antenna with digitally controlled weighted radio frequency combining Aug. 13, 2013
8493953 Method and device for mitigation of multi-user interference in code division multiple access Jul. 23, 2013
8483761 Singular value decomposition beamforming for a multiple-input-multiple-output communication system Jul. 9, 2013
8472904 Antenna with integrated tuning detection elements Jun. 25, 2013
8457582 Adaptive control apparatus using multiple adaptive control methods Jun. 4, 2013
8447255 Variable impedance matching network and method for the same May. 21, 2013
8423199 Method and device for controlling operation of a power supply system Apr. 16, 2013
8412244 Receive diversity and multiple input multiple output (MIMO) using multiple mobile devices Apr. 2, 2013
8396438 Enhanced interference nulling equalization Mar. 12, 2013
8340596 Signal transmission apparatus and method using eigen antenna technique in wireless communication system Dec. 25, 2012
8320500 Clustered OFDM with channel estimation Nov. 27, 2012
8306144 Scalable system to adaptively transmit and receive including adaptive antenna signal and back-end processors Nov. 6, 2012
8306497 RF transceiver front-end Nov. 6, 2012
8255558 Method and system for distributed infrastructure for streaming data via multiple access points Aug. 28, 2012
8224273 Demodulator, diversity receiver, and demodulation method Jul. 17, 2012
8224387 Beamforming system and method Jul. 17, 2012
8208885 Variable time, phase, and amplitude control device Jun. 26, 2012
8185074 Receiving apparatus, receiving method and wireless communication system May. 22, 2012
8160530 Multi-beam active phased array architecture Apr. 17, 2012
8160648 Method and apparatus for receiver diversity control in wireless communications Apr. 17, 2012
8139678 High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing Mar. 20, 2012
8134976 Channel calibration for a time division duplexed communication system Mar. 13, 2012
8126983 Method and system for distributed infrastructure for streaming data via multiple access points Feb. 28, 2012
8121537 Apparatus and method for uplink channel sounding in a wireless communication system Feb. 21, 2012
8107906 Transceiver with receive and transmit path performance diversity Jan. 31, 2012
8107557 Reception system having a switching arrangement for suppressing change-over interference in the case of antenna diversity Jan. 31, 2012
8099071 Direct conversion pre-ADC frequency mixer Jan. 17, 2012
8095092 Power efficient transmitter with high dynamic range Jan. 10, 2012
8090336 Self focusing distributed communications array Jan. 3, 2012
8086201 Diversity receiving device Dec. 27, 2011
8032100 System and method of communicating multiple carrier waves Oct. 4, 2011
8024003 Methods and apparatus for supporting communications using antennas associated with different polarization directions Sep. 20, 2011
8014461 Scalable system to adaptively transmit and receive including adaptive antenna signal and back-end processors Sep. 6, 2011
8010062 Multiple frequency antenna array for use with an RF transmitter or receiver Aug. 30, 2011
8000730 Method and system for improving performance in a sparse multi-path environment using reconfigurable arrays Aug. 16, 2011
7991374 Methods and apparatus for supporting communications using horizontal polarization and dipole antennas Aug. 2, 2011
7986973 Cellular antenna Jul. 26, 2011

1 2 3 4 5 6

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