Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 455/60
Name: Telecommunications > Transmitter and receiver at separate stations > Single message via plural carrier wave transmission > Different phases of same frequency carrier
Description: Subject matter in which the message is modulated onto different phases (e.g., different polarizations) of a carrier wave and each phase is then separately transmitted.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7593473 Tree structured multicarrier multiple access systems Sep. 22, 2009
7548597 Cascadable diversity receiving system and method thereof Jun. 16, 2009
7546088 Method and apparatus for blending an audio signal in an in-band on-channel radio system Jun. 9, 2009
7539270 Method and apparatus to interleave bits across symbols from different constellations May. 26, 2009
7420939 Methods and apparatus of power control in wireless communication systems Sep. 2, 2008
7315578 Fast soft value computation methods for gray-mapped QAM Jan. 1, 2008
7197280 Method and arrangement for fast frequency searching in broadband mobile radio receivers Mar. 27, 2007
7170947 Data receiver Jan. 30, 2007
7161896 Channel estimation in a multicarrier radio receiver Jan. 9, 2007
7162272 Transmission antenna diversity Jan. 9, 2007
7136663 Method for controlling a communications channel shared by several stations Nov. 14, 2006
7076265 Power reduction method for a mobile communication system Jul. 11, 2006
7023931 System and method for soft slicing Apr. 4, 2006
6980602 Normalization of equalizer soft output for channels with varying noise power Dec. 27, 2005
6973136 Radio communications apparatus Dec. 6, 2005
6944456 Message access for radio telecommunications system Sep. 13, 2005
6901242 System and method for mitigating intermittent interruptions in an audio radio broadcast system May. 31, 2005
6895258 Space division multiple access strategy for data service May. 17, 2005
6871081 Broadband wireless access system Mar. 22, 2005
6834179 Method for operating an access control system, in particular for a motor vehicle, and access control system Dec. 21, 2004
6832090 System and method for identification of transmitters with limited information Dec. 14, 2004
6701142 Mixer oscillator stage Mar. 2, 2004
6487461 TFT panel alignment and attachment method and apparatus Nov. 26, 2002
6347120 Communication method, transmitter, receiver, and cellular radio communication system Feb. 12, 2002
6298035 Estimation of two propagation channels in OFDM Oct. 2, 2001
6233435 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception May. 15, 2001
6178333 System and method providing delays for CDMA nulling Jan. 23, 2001
6044276 Method and apparatus in a messaging system for limiting an interval of carrier cancellation Mar. 28, 2000
5982242 Circuit for synchronizing transmission local oscillating frequencies in digital microwave system Nov. 9, 1999
5818305 Automatic substitution of a reference oscillator for synchronizing two transmitter co-channel local oscillators Oct. 6, 1998
5507020 Spectral sharing communication system with minimal inter-signal interference Apr. 9, 1996
5473323 Apparatus for contactless energy and data transmission for single coil and two-coil systems Dec. 5, 1995
5283815 Tangental type differential detector for pulse shaped PI/4 shifted differentially encoded quadrature phase shift keying Feb. 1, 1994
5235622 Clock recovery circuit with open-loop phase estimator and wideband phase tracking loop Aug. 10, 1993
5214674 Method and apparatus for carrier synchronization acquisition in a digital burst mode communication system May. 25, 1993
5202901 Digital discriminator for pulse shaped .pi./4 shifted differentially encoded quadrature phase shift keying Apr. 13, 1993
5128964 Modulation method and apparatus for multicarrier data transmission Jul. 7, 1992
5081647 Communication of a voice signal via continuous quadrature amplitude modulator Jan. 14, 1992
5048057 Wireless local area network Sep. 10, 1991
4965809 Uplink cross-polarization interference canceller using correlation calculator and stepwise tracking controller Oct. 23, 1990
4914676 Cross polarization interference canceller Apr. 3, 1990
4907218 Multiplex signal processing apparatus Mar. 6, 1990
4759036 Decision-directed control circuit Jul. 19, 1988
4737969 Spectrally efficient digital modulation method and apparatus Apr. 12, 1988
4737728 Digitally processed demodulator for quadrature modulated signals Apr. 12, 1988
4727534 Timing and carrier recovery in dual polarization communications systems Feb. 23, 1988
4723321 Techniques for cross-polarization cancellation in a space diversity radio system Feb. 2, 1988
4688235 Cross-polarization interference canceller Aug. 18, 1987
4665532 Radio communication system May. 12, 1987
4658405 Radio communication system Apr. 14, 1987

1 2


 
 
  Recently Added Patents
Impurity introducing apparatus and impurity introducing method
Automobile tire
Compact paintball marker
Hinged releasable buckle
Contact and IC socket using the contact
Piezoelectric member, piezoelectric element, and liquid discharge head and liquid discharge apparatus utilizing piezoelectric element
Shaving razor handle
  Randomly Featured Patents
Semiconductor device with high conductivity region using shallow trench
Terminal device, information viewing method, information viewing method of information server system, and recording medium
Magnet switch and a starter using same
Impeller assembly for centrifugal pump
Attachable key light
Hot standby amplifier apparatus
Data transmission method and apparatus in pulse amplitude modulation communication system
Bottle plate in a bottle-processing machine
Reusable shipping pallet formed from extruded plastic parts which are easily assembled and disassembled
Ironing device for uncreased-trousers ironing machines including means for ironing the trousers bottom portion