СПИСОК патентов США - подгруппа МПК16 H04L27/156
|
|
| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608772 | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system | |||
2016 | |||||
| 2 | 9498632 | Receiver and digital demodulation circuitry for an external controller useable in an implantable medical device system | |||
| 3 | 9461853 | Method and device to control the gain of a radio receiver | |||
| 4 | 9444673 | Methods and systems for down-converting a signal using a complementary transistor structure | |||
| 5 | 9367716 | Information reproduction device and information reproduction method | |||
| 6 | 9350591 | Method and system for down-converting an electromagnetic signal | |||
| 7 | 9331878 | Frequency shift keying transmitter | |||
| 8 | 9323560 | Interpreting I/O operation requests from pageable guests without host intervention | |||
| 9 | 9319946 | System for efficient recovery of Node-B buffered data following MAC layer reset | |||
| 10 | 9319262 | Methods and systems for down-converting a signal | |||
| 11 | 9319256 | OOK modulation device and wireless transmitting device including the same | |||
| 12 | 9306792 | Methods and systems for down-converting a signal | |||
| 13 | 9288100 | Method and system for down-converting and electromagnetic signal | |||
| 14 | 9246737 | Method and system for down-converting an electromagnetic signal | |||
| 15 | 9246736 | Method and system for down-converting an electromagnetic signal | |||
2015 | |||||
| 16 | 9225568 | FSK demodulator | |||
| 17 | 9225371 | Offset compensation for serial links | |||
| 18 | 9203667 | Circuit and method for removing frequency offset, and communication apparatus | |||
| 19 | 9184961 | FM analog demodulator compatible with IBOC signals | |||
| 20 | 9143373 | Transport of an analog signal across an isolation barrier | |||
| 21 | 9137065 | Systems and methods to mitigate phase noise | |||
| 22 | 9086905 | Interpreting I/O operation requests from pageable guests without host intervention | |||
| 23 | 9054924 | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system | |||
2014 | |||||
| 24 | 8831145 | Hart transmitter/receiver systems | |||
2011 | |||||
| 25 | 7898322 | Demodulator for a low power radio receiver | |||
2005 | |||||
| 26 | 6933776 | Signal demodulating method of a two-phase frequency shift keying (FSK) digital demodulator | |||
| 27 | 6914478 | Demodulation method and demodulator | |||
| 28 | 6891905 | Apparatus and method for FSK demodulation with integrated time and frequency tracking | |||
| 29 | 6862317 | Modulation technique providing high data rate through band limited channels | |||
| 30 | 6853693 | Method and apparatus for gain normalization of a correlation demodulator | |||
2004 | |||||
| 31 | 6819723 | Digital FM demodulator with reduced quantization noise | |||
| 32 | 6795485 | Integrated QPSK/FSK demodulator | |||
| 33 | 6757342 | Data demodulation | |||
| 34 | 6714983 | Modular, portable data processing terminal for use in a communication network | |||
| 35 | 6674786 | Data demodulation | |||
2003 | |||||
| 36 | 6658068 | Detection of EFM stream component widths | |||
| 37 | 6654378 | Transaction control system including portable data terminal and mobile customer service station | |||
| 38 | 6650712 | Low complexity method and apparatus for FSK signal reception | |||
| 39 | 6633752 | Base band signal offset correcting circuit for FSK receiving apparatus and method thereof | |||
| 40 | 6617917 | Caller-ID demodulation apparatus and method using multiple thresholds | |||
| 41 | 6614768 | Enhanced mobility and address resolution in a wireless premises based network | |||
2002 | |||||
| 42 | 6433591 | Frequency-voltage conversion circuit and receiving apparatus | |||
2001 | |||||
| 43 | 6304136 | Reduced noise sensitivity, high performance FM demodulator circuit and method | |||
| 44 | 6272184 | Non-coherent frequency shift keying detection scheme | |||
| 45 | 6252438 | Frequency-voltage conversion circuit and receiving apparatus | |||
| 46 | 6226369 | Telephone with novel FSK decoding means, simultaneous off-hook caller ID reception means, and set of configurable function key means | |||
2000 | |||||
| 47 | 6160857 | Demodulator for frequency shift keying signals | |||
| 48 | 6064255 | Pulse counting FM demodulator | |||
| 49 | 6058172 | Telephone with novel FSK decoding means, simultaneous off-hook caller ID reception means, and set of configurable function key means | |||
| 50 | 6031418 | Method and apparatus for demodulating digital frequency modulation (FM) signals | |||
| 51 | 6021162 | Vortex serial communications | |||
1999 | |||||
| 52 | 6002725 | M-ary FSK receiver | |||
| 53 | 5933461 | Data receiving apparatus, demodulator circuit and integrated circuit | |||
| 54 | 5933039 | Programmable delay line | |||
| 55 | 5912926 | Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions | |||
| 56 | 5905763 | Receiving apparatus and decoder | |||
1998 | |||||
| 57 | 5822378 | Receiver, a demodulator, and a demodulation method | |||
| 58 | 5818881 | Digital frequency demodulator | |||
| 59 | 5805017 | Baseband demodulation of M-ary frequency shift keyed signals and a receiver therefor | |||
| 60 | 5790536 | Hierarchical communication system providing intelligent data, program and processing migration | |||
| 61 | 5789991 | FSK modulating and demodulating apparatus wherein each binary data is represented by same number of cycles of modulated signal | |||
| 62 | 5783967 | Frequency shift keying demodulation circuit using logic circuitry | |||
| 63 | 5748670 | Method of demodulating chirp spread spectrum | |||
| 64 | 5729576 | Interference canceling receiver | |||
| 65 | 5726984 | Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones | |||
| 66 | 5724001 | Method and apparatus for demodulating a frequency shift keyed signal | |||
1997 | |||||
| 67 | 5703525 | Low cost system for FSK demodulation | |||
| 68 | 5684837 | Adjustable digital FSK demodulator | |||
| 69 | 5680633 | Modular, portable data processing terminal for use in a radio frequency communication network | |||
| 70 | 5679943 | Hand-held terminal with display screens, interactive screens, magnetic credit card readers, scanners, printers and handlers | |||
| 71 | 5661759 | Digital FSK receiver using double zero-crossing | |||
| 72 | 5657317 | Hierarchical communication system using premises, peripheral and vehicular local area networking | |||
| 73 | 5650739 | Programmable delay lines | |||
| 74 | 5633895 | Communication device with synchronized zero-crossing demodulator and method | |||
1996 | |||||
| 75 | 5586150 | Method and apparatus for symbol synchronization in multi-level digital FM radio | |||
| 76 | 5567925 | Hand-held data capture system with interchangeable modules | |||
| 77 | 5555276 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 78 | 5553099 | FSK detector for determining an increasing time period between adjacent pulses of an FSK modulated square wave pulse train | |||
| 79 | 5550505 | Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments | |||
| 80 | 5533062 | Method and apparatus for carrier tracking and demodulation | |||
| 81 | 5533061 | Method and apparatus for detecting an FSK encoded carrier signal | |||
| 82 | 5491724 | Mean phase predictor for maximum a posteriori demodulator | |||
| 83 | 5483193 | Circuit for demodulating FSK signals | |||
1995 | |||||
| 84 | 5475307 | Frequency demodulator and method for asynchronously demodulating sample signals | |||
| 85 | 5469112 | Communication device with zero-crossing demodulator | |||
| 86 | 5436589 | Demodulator for frequency shift keyed signals | |||
| 87 | 5400365 | Isk receiver | |||
1994 | |||||
| 88 | 5373246 | Digital FFSK demodulator | |||
| 89 | 5365548 | Digital FSK transmitter | |||
| 90 | 5365546 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 91 | 5359652 | Tone receiver comprising a switch capacitor zero crossing detector | |||
| 92 | 5339333 | FSK demodulator using signal transitions | |||
| 93 | 5333151 | High speed frequency-shift keying decoder | |||
| 94 | 5331136 | Hand-held data capture system with interchangeable modules | |||
| 95 | 5329242 | Method and apparatus for signal demodulation using time-intervals | |||
| 96 | 5323104 | Method and arrangement for demodulating a frequency modulated signal | |||
| 97 | 5313053 | Laser scanner module having integral interfacing with hand-held data capture terminal | |||
| 98 | 5311556 | Digital FSK transmitter receiver and method of operating same | |||
| 99 | 5303269 | Optically maximum A posteriori demodulator | |||
1993 | |||||
| 100 | 5243299 | Variable speed asynchronous modem | |||
| 101 | 5218187 | Hand-held data capture system with interchangeable modules | |||
| 102 | 5204879 | High Speed data detection and clock recovery in a received multi-level data signal | |||
1992 | |||||
| 103 | 5150382 | Frequency error detecting apparatus | |||
1991 | |||||
| 104 | 5053717 | FSK demodulator | |||
| 105 | 5052020 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 106 | 5046073 | Signal processing apparatus for recovering a clock signal and a data signal from an encoded information signal | |||
| 107 | 5023892 | System for detecting and correcting signal distortion | |||
| 108 | 5023562 | Digitizing circuit for demodulated digital data signals | |||
| 109 | 4985684 | Fully integrated digital FM discriminator | |||
1990 | |||||
| 110 | 4897857 | FSK demodulating device | |||
1989 | |||||
| 111 | 4887044 | Pulse counter type demodulator | |||
| 112 | 4864591 | Facsimile signal modulation detector | |||
| 113 | 4825452 | Digital FSK demodulator | |||
| 114 | 4813058 | FSK signal demodulator | |||
1988 | |||||
| 115 | 4785255 | Digital FSK signal demodulator | |||
| 116 | 4777605 | Method and apparatus for identifying the components of a signal | |||
1987 | |||||
| 117 | 4716376 | Adaptive FSK demodulator and threshold detector | |||
| 118 | 4696018 | Digital FM detector for digitized FM signals | |||
| 119 | 4675882 | FM demodulator | |||
| 120 | 4652775 | Adaptive threshold detector | |||
1986 | |||||
| 121 | 4616187 | Frequency shift keying signal for a demodulator | |||
| 122 | 4574247 | FM Signal demodulator | |||
| 123 | 4568883 | Frequency-shift-keyed data detector | |||
1985 | |||||
| 124 | 4561098 | Receiver for FFSK modulated data signals | |||
| 125 | 4554508 | Carrier detection circuit | |||
| 126 | 4551846 | FSK Demodulation circuit | |||
| 127 | 4533874 | Digital FSK demodulator using non-recursive transversal filter | |||
| 128 | 4517519 | FSK Demodulator employing a switched capacitor filter and period counters | |||
1984 | |||||
| 129 | 4488238 | Selection stage of the AC signal of greater amplitude between two signals of different frequencies | |||
| 130 | 4485347 | Digital FSK demodulator | |||
| 131 | 4479092 | Digital frequency-shift keyed demodulator | |||
| 132 | 4472816 | FSK Discriminator | |||
| 133 | 4440987 | Computer and peripheral interface circuit | |||
| 134 | 4435682 | Frequency demodulator employing a circuit having a delay varying with the received frequency | |||
1983 | |||||
| 135 | 4412339 | Zero-crossing interpolator to reduce isochronous distortion in a digital FSK modem | |||
| 136 | 4412338 | Frequency shift keyed detector system | |||
| 137 | 4378526 | Pulse code demodulator for frequency shift keyed data | |||
| 138 | 4368434 | Programmable digital detector for the demodulation of angle modulated electrical signals | |||
1982 | |||||
| 139 | 4352194 | System and method for frequency discrimination | |||
| 140 | 4335354 | Sensitive demodulator for frequency shift keyed carrier signals | |||
| 141 | 4333150 | Signal receiving apparatus and method | |||
| 142 | 4309772 | Soft quantizer for FM radio binary digital signaling | |||
1981 | |||||
| 143 | 4298985 | Digital filter bank detector | |||
| 144 | 4286224 | FM data demodulator including circuit for eliminating step distortion | |||
1978 | |||||
| 145 | 4115738 | Digital frequency shift signal demodulator | |||
| 146 | 4097812 | Frequency selective detector circuit | |||
1977 | |||||
| 147 | 4047114 | Digital detector | |||
| 148 | 4044202 | Plural frequency signalling systems | |||
| 149 | 4041406 | Method and apparatus for the determination of the transition of digital data signals modulated with two different signal frequencies | |||
| 150 | 4039959 | Two-tone decoder having high noise immunity | |||
| 151 | 4027266 | Digital FSK demodulator | |||
| 152 | 4021744 | Demodulator for frequency-keyed communication system | |||
1976 | |||||
| 153 | 3980961 | Frequency demodulator for a FSK data transmission system | |||
| 154 | 3979685 | Frequency shift key demodulator | |||
| 155 | 3976996 | Conversion of FSK to NRZ coding | |||
| 156 | 3961277 | Frequency demodulator, especially for data-transmission system | |||
| 157 | 3939411 | Instantaneous frequency measurement system | |||
| 158 | 3936762 | Digital phase-lock loop systems for phase processing of signals | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||