СПИСОК патентов США - подгруппа МПК16 H04L27/152
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608799 | Frequency acquisition for serdes receivers | |||
| 2 | 9584209 | Multiple antenna distributed radio system | |||
2016 | |||||
| 3 | 9455854 | Phase-locked loop frequency calibration method and system | |||
| 4 | 9444503 | Active signal processing personal health signal receivers | |||
| 5 | 9425906 | Mixer and mixing method | |||
| 6 | 9391814 | FM receiver that receives FM signal and method for receiving FM signal | |||
| 7 | 9319256 | OOK modulation device and wireless transmitting device including the same | |||
2015 | |||||
| 8 | 9203666 | IQ mismatch compensation | |||
| 9 | 9191255 | Method and apparatus for compensating for frequency errors between base station and mobile station | |||
| 10 | 9178733 | Intermediate frequency receiver with dynamic selection of the intermediate frequency used | |||
| 11 | 9166848 | Frequency-shift keying receiver | |||
| 12 | 9143087 | Adaptive FM demodulator supporting multiple modes | |||
2010 | |||||
| 13 | 7791408 | Method and apparatus for automatic frequency correction | |||
2008 | |||||
| 14 | 7330523 | Estimating frequency offset | |||
2005 | |||||
| 15 | 6968019 | IF FSK receiver | |||
| 16 | 6907089 | Digital demodulation and applications thereof | |||
| 17 | 6904538 | System and method for differential data detection | |||
| 18 | 6888902 | Digital variable frequency oscillator | |||
2004 | |||||
| 19 | 6801590 | Method and apparatus for symbol independent discriminator correlator automatic frequency control | |||
| 20 | 6775324 | Digital signal modulation system | |||
| 21 | 6762642 | Method and apparatus for frequency shift-keying demodulation and applications thereof | |||
| 22 | 6703896 | Method and demodulator for FSK demodulation, and receiver including such a demodulator device | |||
2003 | |||||
| 23 | 6671332 | Zero IF receiver with reduced AM detector | |||
| 24 | 6603820 | Demodulator having rotation means for frequency offset correction | |||
| 25 | 6570946 | One-hot decoded phase shift prescaler | |||
| 26 | 6570938 | Method and apparatus for recovering data symbols from a signal received by a radio communication device | |||
| 27 | 6566940 | Method and apparatus for frequency shift-keying demodulation and applications thereof | |||
| 28 | 6563887 | Direct conversion receiver for frequency-shift keying modulated signals | |||
| 29 | 6553083 | Frequency control and orthogonal detection circuit and FSK receiver | |||
2002 | |||||
| 30 | 6493406 | Method and apparatus for symbol independent discriminator correlator automatic frequency control | |||
| 31 | 6437693 | FSK receiver | |||
| 32 | 6433591 | Frequency-voltage conversion circuit and receiving apparatus | |||
| 33 | 6408035 | Simplified receiver for frequency shift keyed signals | |||
| 34 | 6359942 | FSK demodulator | |||
2001 | |||||
| 35 | 6323727 | Apparatus and method for detecting digital FM | |||
| 36 | 6252438 | Frequency-voltage conversion circuit and receiving apparatus | |||
2000 | |||||
| 37 | 6144253 | Digital FSK demodulator | |||
| 38 | 6104238 | FM demodulator including tuning of a filter and detector | |||
| 39 | 6085073 | Method and system for reducing the sampling rate of a signal for use in demodulating high modulation index frequency modulated signals | |||
| 40 | 6072992 | High-frequency device | |||
| 41 | 6052571 | Tuner for PSK or PAM data applications | |||
| 42 | 6046628 | Demodulating device comprising a small circuit and a small consumption power | |||
| 43 | 6038268 | Direct conversion FSK signal radio receiver | |||
| 44 | 6018553 | Multi-level mixer architecture for direct conversion of FSK signals | |||
| 45 | 6011816 | Direct demodulation method and apparatus | |||
1999 | |||||
| 46 | 5994953 | Apparatus and method for detecting digital FM | |||
| 47 | 5960042 | Method in a selective call receiver for synchronizing to a multi-level radio signal | |||
| 48 | 5960040 | Communication signal processors and methods | |||
1997 | |||||
| 49 | 5703908 | Fixed reference shift keying modulation for mobile radio telecommunications | |||
| 50 | 5668749 | Circuit for performing arithmetic operations in a demodulator | |||
| 51 | 5663989 | Control arrangements for digital radio receivers | |||
| 52 | 5640428 | Direct conversion receiver | |||
| 53 | 5633898 | Automatic frequency control apparatus for FSK receiver and FSK receiver including the same | |||
| 54 | 5612976 | Detectors | |||
1996 | |||||
| 55 | 5583785 | Method and apparatus for signal decoder using instantaneous magnitude and phase detection | |||
| 56 | 5581579 | Method and apparatus to adaptively control the frequency of reception in a digital wireless communication system | |||
| 57 | 5572588 | Method and apparatus for detecting reception of a tone signal | |||
| 58 | 5548619 | Radio receiver apparatus of orthogonal detection type comprising local oscillator means with improved automatic frequency control arrangement | |||
| 59 | 5539355 | Frequency-shift-keying detector using digital circuits | |||
| 60 | 5530723 | Automatic frequency control arrangement | |||
| 61 | 5521947 | Phase detection reset in phase locked loops used for direct VCO modulation | |||
| 62 | 5515364 | Radio frequency telecommunications transceiver | |||
| 63 | 5497121 | Automatically correcting data detection circuit and method for FSK modulated signals | |||
1995 | |||||
| 64 | 5475705 | Demodulator for Manchester-coded FM signals | |||
| 65 | 5471187 | Data signal comparation with self-adjusting threshold | |||
| 66 | 5457424 | Quadrature demodulator operable over different IF frequencies | |||
| 67 | 5453714 | Binary FM demodulator with self-adjusting resonant operating frequency according to demodulated binary output signal duty cycle | |||
| 68 | 5451899 | Direct conversion FSK receiver using frequency tracking filters | |||
| 69 | 5450032 | FSK data demodulator using mixing of quadrature baseband signals | |||
| 70 | 5446762 | Data demodulation circuit for FSK modulated RF signal receiver providing wide-band 90.degree. baseband phase shifting | |||
| 71 | 5444415 | Modulation and demodulation of plural channels using analog and digital components | |||
| 72 | 5436931 | FSK receiver | |||
| 73 | 5420888 | System and method for split phase demodulation of frequency shift keyed signals | |||
| 74 | 5414736 | FSK data receiving system | |||
| 75 | 5408695 | Intelligent automatic deviation compensation for wireless modems | |||
| 76 | 5402446 | FSK receiver having a PLL local oscillator operable in intermittent operation in accordance with its phase locked state | |||
| 77 | 5394109 | Digital FSK demodulator with offset cancellation | |||
1994 | |||||
| 78 | 5373533 | FSK signal receiving device | |||
| 79 | 5365185 | Frequency controlled loop for demodulating OOK and PSK signals | |||
| 80 | 5309113 | FSK data demodulator | |||
| 81 | 5293408 | FSK data receiving system | |||
1993 | |||||
| 82 | 5245632 | Synchronous FSK detection | |||
| 83 | 5241566 | Full duplex FSK system | |||
| 84 | 5227741 | Variable speed asynchronous modem | |||
| 85 | 5197085 | Radio receiver | |||
1992 | |||||
| 86 | 5157343 | Electronic arrangement for receiving a modulated carrier signal | |||
| 87 | 5091921 | Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency | |||
| 88 | 5081650 | Data receiver | |||
| 89 | 5079513 | Demodulator and radio receiver having such a demodulator | |||
1991 | |||||
| 90 | 5065409 | FSK discriminator | |||
| 91 | 5053717 | FSK demodulator | |||
| 92 | 5040192 | Method and apparatus for optimally autocorrelating an FSK signal | |||
| 93 | 4987374 | FSK demodulator | |||
1990 | |||||
| 94 | 4893317 | Digital signals and frequency correction in a digital wireless system | |||
1989 | |||||
| 95 | 4881240 | AM equalizer circuit for digital systems | |||
| 96 | 4870659 | FSK demodulation circuit | |||
| 97 | 4825448 | Subscriber unit for wireless digital telephone system | |||
1988 | |||||
| 98 | 4763290 | Apparatus for performing a fast Fourier transform | |||
| 99 | 4752742 | Frequency demodulator for recovering digital signals | |||
| 100 | 4745627 | Procedure and circuit for detection of the information of a received signal | |||
1987 | |||||
| 101 | 4716579 | Phase corrector | |||
| 102 | 4713563 | d.c. Block capacitor circuit for rejection of d.c. offset | |||
| 103 | 4696017 | Quadrature signal generator having digitally-controlled phase and amplitude correction | |||
| 104 | 4682117 | Quadrature demodulation data receiver with phase error correction | |||
| 105 | 4680778 | Fast acquisition circuit for synchronous digital receiver operating in wideband noise | |||
| 106 | 4672640 | Radio receiver | |||
| 107 | 4672632 | Optimized communications system and method employing channel synthesis and phase lock detection | |||
| 108 | 4656648 | Process for the noncoherent demodulation of a digital signal | |||
| 109 | 4651107 | Demodulator for digital FM signals | |||
| 110 | 4649551 | Decoder for a frequency-keyed signal, particularly an FSK-video text signal | |||
| 111 | 4647864 | Variable-delay, sine-cosine non-coherent demodulator | |||
1986 | |||||
| 112 | 4628518 | Radio receiver | |||
| 113 | 4618967 | Radio receiver | |||
| 114 | 4612509 | Frequency shift keyed demodulator | |||
| 115 | 4605903 | FSK demodulator with high noise immunity digital phase detector | |||
| 116 | 4583239 | Digital demodulator arrangement for quadrature signals | |||
| 117 | 4580101 | FM demodulators with local oscillator frequency control circuits | |||
| 118 | 4571738 | Demodulator logic for frequency shift keyed signals | |||
| 119 | 4570125 | FSK Demodulator with concurrent carrier and clock synchronization | |||
| 120 | 4569061 | Phase distortion adaptive detector of minimum shift keying data | |||
| 121 | 4568882 | Digital FSK demodulator circuit | |||
1985 | |||||
| 122 | 4529941 | FSK Demodulator utilizing multiple-phase reference frequencies | |||
| 123 | 4521892 | Direct conversion radio receiver for FM signals | |||
| 124 | 4517680 | Error vector normalizer | |||
1984 | |||||
| 125 | 4488120 | Frequency shift keying demodulator using a phase locked loop and voltage comparator | |||
| 126 | 4475219 | Demodulator for frequency-shift-keyed binary data signals | |||
| 127 | 4462107 | Radio receiver for frequency shift keyed signals | |||
| 128 | 4437068 | FSK Demodulator for frequency-modulation modem | |||
1983 | |||||
| 129 | 4388730 | Noise detector and data signal receiver for a frequency modulation system | |||
1982 | |||||
| 130 | 4359692 | Rapid acquisition shift keyed signal demodulator | |||
| 131 | 4322851 | Decoding logic for frequency shift keying receiver | |||
1981 | |||||
| 132 | 4264975 | Receiver for frequency modulated signals having two quadrature channels | |||
| 133 | 4254503 | Radio receiver for tone modulated signals | |||
1980 | |||||
| 134 | 4193034 | Radio receiver for FSK signals | |||
| 135 | 4193033 | Quadrature transposition stage | |||
1979 | |||||
| 136 | 4156194 | Frequency-shift-keyed receiver | |||
1978 | |||||
| 137 | 4072905 | Wide acquisition range MSK demodulator input circuit | |||
1977 | |||||
| 138 | 4053836 | Device for transmission of information by pulse code frequency shift modulation | |||
1976 | |||||
| 139 | 3967202 | Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands | |||
| 140 | 3936762 | Digital phase-lock loop systems for phase processing of signals | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||