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1976-09-30 |
1984-04-06 |
日本電気株式会社 |
搬送波再生装置
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1976-12-29 |
1978-07-26 |
Nec Corp |
Demodulating system for multilevel carrier digital signal
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1979-11-16 |
1983-05-10 |
The General Electric Company Limited |
Digital data transmission systems
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1979-12-26 |
1982-02-02 |
Motorola Inc. |
Noise chopper for preventing false locks in a coherent carrier recovery system
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1980-01-08 |
1982-09-07 |
E-Systems, Inc. |
Digital baseband carrier recovery circuit
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1980-07-07 |
1982-01-26 |
Communications Satellite Corporation |
Carrier synchronization and symbol synchronization for offset-QPSK burst communications
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1980-08-05 |
1983-12-06 |
Communications Satellite Corporation |
Concurrent carrier and clock synchronization for data transmission system
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1980-09-26 |
1982-08-10 |
Harris Corporation |
Costas loop QPSK demodulator
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1980-11-07 |
1982-11-16 |
Motorola Inc. |
Rapid acquisition shift keyed signal demodulator
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1981-05-15 |
1982-11-19 |
Matsushita Electric Ind Co Ltd |
Data transmission and reception system
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1981-06-04 |
1984-10-02 |
Westinghouse Electric Corp. |
Gain imbalance corrected quadrature phase detector
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1982-08-09 |
1984-09-18 |
Communications Satellite Corporation |
Non-PLL concurrent carrier clock synchronization
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1982-11-03 |
1984-10-02 |
General Electric Company |
Receiver for phase-shift modulated carrier signals
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1983-02-28 |
1985-02-19 |
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Offset QPSK demodulator and receiver
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1984-02-03 |
1987-06-09 |
Motorola, Inc. |
Optimized communications system and method employing channel synthesis and phase lock detection
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1984-03-12 |
1986-09-30 |
Victor Company Of Japan, Ltd. |
Quarternary differential PSK demodulator
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1984-08-17 |
1986-04-08 |
Ford Aerospace & Communications Corporation |
Crosstalk reduction in unbalanced QPSK detectors
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1987-10-08 |
1989-03-28 |
Motorola, Inc. |
Negative feedback, phase rotation, phase acquisition and tracking apparatus and method
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1987-12-14 |
1989-03-21 |
Ford Aerospace & Communications Corporation |
Unsymmetrical QPSK demodulator
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1988-03-30 |
1989-05-23 |
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QPSK/BPSK demodulator
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1988-10-27 |
1990-02-13 |
Unisys Corp. |
Noncoherent-coherent A.C. coupled base band AGC receiver
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1988-11-02 |
1990-03-20 |
Motorola, Inc. |
Method and apparatus for decoding a quadrature modulated signal
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1989-08-31 |
1992-07-28 |
Nec Corporation |
Multilevel quadrature amplitude demodulator capable of compensating for a quadrature phase deviation of a carrier signal pair
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1990-01-26 |
1996-11-13 |
三菱電機株式会社 |
π/4シフトQPSK信号の復調装置
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1990-09-28 |
1992-11-20 |
Alcatel Telspace |
Systeme de recuperation de porteuse pour modulations quadratiques numeriques.
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1992-06-30 |
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1993-05-07 |
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Quadrature compensation for orthogonal signal channels
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1998-11-03 |
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Broadcom Corporation |
Equalization and decision-directed loops with trellis demodulation in high definition TV
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1998-11-03 |
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Broadcom Corp., Irvine |
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1998-11-03 |
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Broadcom Corporation |
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Masimo Corporation |
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2004-01-27 |
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Predistortion circuit and method for compensating linear distortion in a digital RF communications transmitter
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2004-03-04 |
2008-10-21 |
Masimo Corporation |
Application identification sensor
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2004-09-27 |
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Marvell International Ltd. |
Device, system and method of I/Q mismatch correction
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2005-03-01 |
2019-01-23 |
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Noninvasive multi-parameter patient monitor
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2005-04-28 |
2006-11-09 |
Samsung Electronics Co Ltd |
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2006-12-19 |
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RF transmitter with predistortion and method therefor
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RF Transmitter With Nonlinear Predistortion and Method Therefor
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2013-02-22 |
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2015-11-05 |
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通道估測的裝置與方法
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