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Class Information
Number: 332/104
Name: Modulators > Phase shift keying modulator or quadrature amplitude modulator > Including logic element (e.g., logic gate or flip-flop)
Description: Subject matter containing a component which performs a Boolean Algebraic operation.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8493158 Polar feedback architecture Jul. 23, 2013
8452241 Enhanced granularity operational parameters adjustment of components and modules in a multi-band, multi-standard communication device May. 28, 2013
8373357 Modulator module in an integrated circuit device Feb. 12, 2013
8319569 Quadrature amplitude modulator and quadrature amplitude modulation method Nov. 27, 2012
8050351 Quadrature modulator with feedback control and optical communications system using the same Nov. 1, 2011
8044742 Wideband phase modulator Oct. 25, 2011
8014465 Digital modulator, digital modulating method, digital transceiver system, and testing apparatus Sep. 6, 2011
8008981 Multi-phase ultra-wideband signal generator using differential pulse oscillators and array thereof Aug. 30, 2011
7999629 IQ-modulation Aug. 16, 2011
7750751 Method and apparatus for creating phase modulation in edge-sensitive signals Jul. 6, 2010
7737799 Digital phase modulator and corresponding method Jun. 15, 2010
7728691 Modulator for radio-frequency signals Jun. 1, 2010
7656960 Adaptive modulation method and coding rate control method Feb. 2, 2010
7561634 Continuous phase modulation system and method with added orthogonal signals Jul. 14, 2009
7460612 Method and apparatus for a fully digital quadrature modulator Dec. 2, 2008
7449960 Frequency modulation linearization system for a Fractional-N offset PLL Nov. 11, 2008
7412008 Programmable phase mapping and phase rotation modulator and method Aug. 12, 2008
7212585 Quadrature modulation transmitter May. 1, 2007
7161437 Voltage-controlled oscillator and quadrature modulator Jan. 9, 2007
7095996 Wireless communication system, and demodulation method and data rate control method therefor Aug. 22, 2006
7009461 Phase shifted binary transmission encoder, a phase modulator, and an optical network element for encoding phase shifted binary transmission Mar. 7, 2006
6928123 Wireless network with enhanced data rate Aug. 9, 2005
6873218 Frequency modulator using a waveform generator Mar. 29, 2005
6870435 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture Mar. 22, 2005
6766148 Switched sideband frequency low-IF transmitter Jul. 20, 2004
6747524 Modulator and demodulator Jun. 8, 2004
6696900 Method for demodulating PSK modulated signals Feb. 24, 2004
6670861 Method of modulation gain calibration and system thereof Dec. 30, 2003
6621366 Parallel-process digital modulator structures and methods Sep. 16, 2003
6531935 Vector modulator Mar. 11, 2003
6498818 Method and system for transmitting information by means of phase modulation Dec. 24, 2002
6434199 2N-QAM macrocell Aug. 13, 2002
6424682 BPSK encoder circuit Jul. 23, 2002
6342821 Device capable of QPSK modulation and phase compensator for the same Jan. 29, 2002
6320912 Digital modulator Nov. 20, 2001
6194977 State variable-based table-driven modulation signal generation Feb. 27, 2001
6184756 Modulator Feb. 6, 2001
6169463 Quadrature modulator with set-and-forget carrier leakage compensation Jan. 2, 2001
6163230 Phase-shift keying electronic circuit with distributed structure Dec. 19, 2000
5990755 Phase modulator efficiently utilizing waveform storing section Nov. 23, 1999
5859869 Low cost binary phase shift keying modulation transmitter system Jan. 12, 1999
5818867 QPSK/QBL-MSK waveform enhancement Oct. 6, 1998
5714916 Modulator Feb. 3, 1998
5712878 Digital FSK modulator Jan. 27, 1998
5652552 Phase modulator Jul. 29, 1997
5570392 Phase generator Oct. 29, 1996
5548253 Spectrally efficient quadrature amplitude modulator Aug. 20, 1996
5548541 Finite impulse response filter for modulator in digital data transmission system Aug. 20, 1996
5528631 .pi./4 shifted DQPSK modulator Jun. 18, 1996
5523726 Digital quadriphase-shift keying modulator Jun. 4, 1996

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