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Class Information
Number: 375/322
Name: Pulse or digital communications > Receivers > Angle modulation
Description: Subject matter where the angle of the sine wave carrier is varied in accordance with the pulse or digital information.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7162000 |
Delay locked loop synthesizer with multiple outputs and digital modulation |
Jan. 9, 2007 |
| 7136435 |
Modified branch metrics for processing soft decisions to account for phase noise impact on cluster variance |
Nov. 14, 2006 |
| 7120415 |
Radio receiver |
Oct. 10, 2006 |
| 7120202 |
Wireless communication apparatus |
Oct. 10, 2006 |
| 7116963 |
Simplified high frequency tuner and tuning method |
Oct. 3, 2006 |
| 7110732 |
Subsampling RF receiver architecture |
Sep. 19, 2006 |
| 7110432 |
Orthogonal chirp modulation in multipath environments |
Sep. 19, 2006 |
| 7095997 |
Direct-conversion receiver for a communication system using a modulation with non-constant envelope |
Aug. 22, 2006 |
| 7079605 |
Frequency estimation based on constellation error in QAM modems |
Jul. 18, 2006 |
| 7065158 |
Detection method for phase-modulated symbols with a correlator-bank |
Jun. 20, 2006 |
| H2155 |
Downconvert and average identification of biphase coded signal carrier |
May. 2, 2006 |
| 7035354 |
CDMA multi-user detection with a real symbol constellation |
Apr. 25, 2006 |
| 7023932 |
Modulation compression method for the radio frequency transmission of high speed data |
Apr. 4, 2006 |
| 7016438 |
Cross polarization interference canceller and method of canceling cross polarization interference |
Mar. 21, 2006 |
| 7006814 |
Direct conversion receiver and transceiver |
Feb. 28, 2006 |
| 7006585 |
Recovering data encoded in serial communication channels |
Feb. 28, 2006 |
| 6999528 |
I/Q demodulator device with three power detectors and two A/D converters |
Feb. 14, 2006 |
| 6996371 |
Device for the analysis of electromagnetic signals |
Feb. 7, 2006 |
| 6980774 |
Radio frequency integrated circuit |
Dec. 27, 2005 |
| 6977545 |
FM signal receiver and wireless communications device using same |
Dec. 20, 2005 |
| 6977969 |
Digital FM receiver for recovering FM digital data frame in mobile communication system |
Dec. 20, 2005 |
| 6950480 |
Receiver having automatic burst mode I/Q gain and phase balance |
Sep. 27, 2005 |
| 6940930 |
Automatic burst mode I/Q gain and I/Q phase calibration using packet based-fixed correction coefficients |
Sep. 6, 2005 |
| 6920188 |
Method and apparatus for processing a multiple-component wide dynamic range signal |
Jul. 19, 2005 |
| 6888888 |
Simultaneous tuning of multiple channels using intermediate frequency sub-sampling |
May. 3, 2005 |
| 6829310 |
Method of high and low bit rate transmission on the command link of a satellite |
Dec. 7, 2004 |
| 6809584 |
Signal transmission and receiving methods optimized for integrated circuit implementation |
Oct. 26, 2004 |
| 6810092 |
Method and circuitry for demodulating a digital frequency modulated signal |
Oct. 26, 2004 |
| 6804309 |
Modulation format identification device and method of same |
Oct. 12, 2004 |
| 6731696 |
Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder |
May. 4, 2004 |
| 6728321 |
Receiving device for angle-modulated signals |
Apr. 27, 2004 |
| 6721370 |
Phase correction circuit for radio communication apparatus |
Apr. 13, 2004 |
| 6721548 |
High dynamic range low ripple RSSI for zero-IF or low-IF receivers |
Apr. 13, 2004 |
| 6714602 |
Demodulator and receiver |
Mar. 30, 2004 |
| 6693957 |
Adaptive front end for discrete multitone modem |
Feb. 17, 2004 |
| 6693977 |
Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signal |
Feb. 17, 2004 |
| 6687309 |
System for estimating carrier frequencies of quadrature amplitude modulated signals having high symbol rates |
Feb. 3, 2004 |
| 6664849 |
Digital FM demodulator performing amplitude compensation |
Dec. 16, 2003 |
| 6661851 |
Bi-directional vector rotator |
Dec. 9, 2003 |
| 6621879 |
Digital radio system, a digital radio device, and a quadrature demodulator |
Sep. 16, 2003 |
| 6611569 |
Down/up-conversion apparatus and method |
Aug. 26, 2003 |
| 6603820 |
Demodulator having rotation means for frequency offset correction |
Aug. 5, 2003 |
| 6587452 |
High performance signal structure with multiple modulation formats |
Jul. 1, 2003 |
| 6553083 |
Frequency control and orthogonal detection circuit and FSK receiver |
Apr. 22, 2003 |
| 6553080 |
Constant envelope modulation communication system |
Apr. 22, 2003 |
| 6549763 |
Receiving apparatus and method |
Apr. 15, 2003 |
| 6539066 |
Integrable radio receiver circuit for frequency-modulated digital signals |
Mar. 25, 2003 |
| 6529565 |
Circuit for detecting a center error to correct same |
Mar. 4, 2003 |
| 6493396 |
Phase shift key burst receiver having improved phase resolution and timing and data recovery |
Dec. 10, 2002 |
| 6483381 |
Signal transmission and receiving methods optimized for integrated circuit implementation |
Nov. 19, 2002 |
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