СПИСОК патентов США - подгруппа МПК16 H04L27/12
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9608849 | Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token | |||
| 2 | 9602257 | Method and system for centralized distributed transceiver management | |||
| 3 | 9590795 | Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal | |||
| 4 | 9571314 | Systems and methods for joint demodulation and demapping | |||
| 5 | 9571132 | Radio transmitter system and method | |||
| 6 | 9569648 | Apparatus and methods for wireless communication using load modulation | |||
| 7 | 9565045 | System and method for controlling combined radio signals | |||
| 8 | 9565042 | Ultra-low power transmitter applied in multi-channel frequency shift (FSK) communication | |||
| 9 | 9553653 | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |||
| 10 | 9548815 | Apparatus for visible light communications in accordance with UFSOOK and FSK dimming | |||
| 11 | 9548807 | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |||
| 12 | 9544007 | Wireless transmission system, wireless communication device, and wireless communication method | |||
| 13 | 9537693 | Circuit device having two communication interfaces for faster and slower transmission speeds, and transmission module, electronic apparatus, and moving object that have the circuit device | |||
| 14 | 9537692 | Automation device operable to convert between data byte streams and frequency modulated line signals | |||
2016 | |||||
| 15 | 9525575 | Transmission apparatus, reception apparatus and digital radio communication method | |||
| 16 | 9521265 | Multimode multicarrier modem system and method of communication over the same | |||
| 17 | 9516635 | Apparatus and method for transmitting and receiving fast feedback information in broadband wireless communication system | |||
| 18 | 9503295 | Method and apparatus for generating a proof-mass drive signal | |||
| 19 | 9497053 | Upstream pilot structure in point to multipoint orthogonal frequency division multiplexing communication system | |||
| 20 | 9490922 | Wireless communication device and wireless communication method | |||
| 21 | 9473338 | Receiver, transmitter, feedback device, transceiver and signal processing method | |||
| 22 | 9473180 | Apparatus for converting frequency and RF transmitter comprising same | |||
| 23 | 9468077 | Lighting system and method for operating a lighting system using power consumption for information transmission | |||
| 24 | 9461869 | System and method for processing data flows | |||
| 25 | 9461854 | Extracting carrier signals from modulated signals | |||
| 26 | 9455852 | Extracting carrier signals from modulated signals | |||
| 27 | 9455851 | Efficient encoding/decoding algorithm for MTS constrained MFSK communications | |||
| 28 | 9450792 | OFDM pre-equalizing | |||
| 29 | 9444673 | Methods and systems for down-converting a signal using a complementary transistor structure | |||
| 30 | 9438389 | Method and system for centralized or distributed resource management in a distributed transceiver network | |||
| 31 | 9437210 | Audio signal processing | |||
| 32 | 9419846 | Integrated wireless module | |||
| 33 | 9418259 | Tag transmission apparatus and signal transmitting method thereof | |||
| 34 | 9413419 | Phase-optimized constant envelope transmission (POCET) method, apparatus and system | |||
| 35 | 9401702 | Binary frequency shift keying with data modulated in digital domain and carrier generated from intermediate frequency | |||
| 36 | 9385816 | Methods and arrangements for frequency shift communications by undersampling | |||
| 37 | 9379925 | Transpositional modulation systems and methods | |||
| 38 | 9374261 | Signal modulator and signal modulating method | |||
| 39 | 9374255 | Interface circuit for providing high speed digital communication between a master universal asynchronous receiver transmitter (UART) device and a 1-wire, UART compatible sensor | |||
| 40 | 9374141 | Signal generation method, transmission device, reception method, and reception device | |||
| 41 | 9363124 | Transmission and reception signal processor and method | |||
| 42 | 9363118 | Non-contact power supply transmitter system, receiving device, and analog circuit | |||
| 43 | 9357548 | Apparatus and method for changing frequency deviation | |||
| 44 | 9356813 | Capacity for narrow-band hybrid modulation | |||
| 45 | 9350591 | Method and system for down-converting an electromagnetic signal | |||
| 46 | 9350393 | De-emphasis filtering audio signals in response to composite control signal | |||
| 47 | 9344310 | Apparatus and method for performing properrizing frequency shift(p-FRESH) vectorizing | |||
| 48 | 9344179 | Methods and arrangements for communications in low power wireless networks | |||
| 49 | 9338042 | Separating and extracting modulated signals | |||
| 50 | 9338041 | Extracting carrier signals from modulated signals | |||
| 51 | 9331878 | Frequency shift keying transmitter | |||
| 52 | 9319262 | Methods and systems for down-converting a signal | |||
| 53 | 9319257 | Multiple-input multiple-output (MIMO) communication system | |||
| 54 | 9319256 | OOK modulation device and wireless transmitting device including the same | |||
| 55 | 9313078 | Pulse cancellation crest factor reduction with a low sampling rate | |||
| 56 | 9306792 | Methods and systems for down-converting a signal | |||
| 57 | 9306647 | Tracking system with orthogonal polarizations and a retro-directive array | |||
| 58 | 9300507 | Local oscillation generator and associated communication system and method for local oscillation generation | |||
| 59 | 9288100 | Method and system for down-converting and electromagnetic signal | |||
| 60 | 9264091 | Mixer unit | |||
| 61 | 9253002 | Non-contact power supply transmitter system and receiving device | |||
| 62 | 9253001 | Pulse signal outputting apparatus | |||
| 63 | 9246737 | Method and system for down-converting an electromagnetic signal | |||
| 64 | 9246736 | Method and system for down-converting an electromagnetic signal | |||
| 65 | 9246725 | Method of generating and receiving packets in low energy critical infrastructure monitoring system | |||
| 66 | 9236981 | GFDM radio transmission using a pseudo circular preamble | |||
2015 | |||||
| 67 | 9225562 | Digital wideband closed loop phase modulator with modulation gain calibration | |||
| 68 | 9219506 | Wireless transmitter, wireless receiver, wireless communication system, elevator control system, and transformer equipment control system | |||
| 69 | 9214998 | Methods and arrangements for communications in low power wireless networks | |||
| 70 | 9209958 | Segmented digital-to-time converter calibration | |||
| 71 | 9203665 | Resource optimization by implementing multiple instances of a soft modem with a single microcontroller | |||
| 72 | 9197468 | Communication methods between a tanker aircraft and a receiver aircraft in an in-flight refueling operation | |||
| 73 | 9197282 | Phase-optimized constant envelope transmission (POCET) method, apparatus and system | |||
| 74 | 9172570 | Compensation of oscillator frequency pulling | |||
| 75 | 9154348 | Systems and methods for improving communication sensitivity | |||
| 76 | 9148323 | Transmitter | |||
| 77 | 9143969 | Wireless communication device and wireless communication method | |||
| 78 | 9118528 | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships | |||
| 79 | 9118527 | Data during analog audio | |||
| 80 | 9112515 | Geographic locating remote endpoint monitor device, system, and methodology thereof | |||
| 81 | 9106488 | Energy efficient highway addressable remote transducer soft modem | |||
| 82 | 9106486 | Transmission apparatus, reception apparatus and digital radio communication method | |||
| 83 | 9100254 | Method and system for transmit upsampling via IFFT | |||
| 84 | 9100226 | Robust sensing of DVB-T/H transmissions in the presence of frequency offsets | |||
| 85 | 9094107 | Orthogonal frequency chirp multiple accessing systems and methods | |||
| 86 | 9094022 | Geographic locating remote endpoint monitor device, system, and methodology thereof | |||
| 87 | 9083573 | Simultaneous transmission of signals, such as orthogonal-frequency-division-multiplexed (OFDM) signals, that include a same frequency | |||
| 88 | 9078047 | Content reproduction device | |||
| 89 | 9077589 | Methods and apparatuses for multiple access in a wireless communication network using DCT-OFDM | |||
| 90 | 9071490 | Apparatus and method for transceiving data | |||
| 91 | 9070062 | Streamlined apparatus and methods for RFID communication | |||
| 92 | 9055444 | Wireless communication system, and interference preventing method | |||
| 93 | 9054921 | Method and apparatus for generating a plurality of modulated signals | |||
| 94 | 9031164 | Communication using continuous-phase modulated signals | |||
| 95 | 8989310 | Method, device and system for complex carrier modulation | |||
| 96 | 8976762 | Radio frequency architecture for spectrum access networks | |||
| 97 | 8964897 | Transmitting device and transmitting method | |||
| 98 | 8942315 | Systems, methods, and devices for frequency calibration of transmitters | |||
2014 | |||||
| 99 | 8908804 | Phase interpolator | |||
| 100 | 8908803 | Near field communications transmitter | |||
| 101 | 8867665 | Communication systems and methods supporting multiple modulation techniques | |||
| 102 | 8860522 | Phase and amplitude modulator | |||
| 103 | 8831145 | Hart transmitter/receiver systems | |||
| 104 | 8824533 | Methods, apparatuses, system and related computer program product for cell type detection | |||
| 105 | 8824529 | Signal transmission system, transmitting device, receiving device, electronic device, and signal transmission method | |||
| 106 | 8781025 | Discrete digital transmitter | |||
| 107 | 8767876 | Filter offset compensation | |||
| 108 | 8693572 | Method for transmitting signal of orthogonal frequency division multiplexing type, and apparatus applied to the same | |||
2013 | |||||
| 109 | 8605822 | Apparatus and method for transmitting and receiving data | |||
| 110 | 8594228 | Apparatus and method of differential IQ frequency up-conversion | |||
| 111 | 8588336 | Methods and apparatuses for compensation of I/Q imbalance | |||
| 112 | 8582690 | Apparatus and method for determining signal power | |||
| 113 | 8571135 | Method, system and apparatus for balanced frequency up-conversion of a baseband signal | |||
| 114 | 8559553 | Transmitter apparatus | |||
| 115 | 8553806 | Quadrature modulation without carrier | |||
| 116 | 8494083 | Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system | |||
| 117 | 8494005 | Technique for adjusting a phase relationship among modulation symbols | |||
| 118 | 8483316 | Modulation apparatus, modulation method, demodulation apparatus, and demodulation method | |||
| 119 | 8477873 | Apparatus for generating frequency signal | |||
| 120 | 8437420 | Multiple output discrete digital transmitter | |||
| 121 | 8437314 | Radio frequency architecture for spectrum access networks | |||
| 122 | 8374283 | Local oscillator with injection pulling suppression and spurious products filtering | |||
2012 | |||||
| 123 | 8304833 | Memory cell with a channel buried beneath a dielectric layer | |||
| 124 | 8300730 | Multiplier-less data processing techniques and related implementations adapted for use in polar modulator | |||
| 125 | 8300729 | Methods and apparatus for reducing high-frequency events in polar domain signals | |||
| 126 | 8284868 | Modulating device and method, demodulating device and method | |||
| 127 | 8229030 | FSK signal modulator for producing a binary FSK signal | |||
| 128 | 8223886 | Transmission circuit for bias control of power amplifier | |||
| 129 | 8223884 | DTV transmitting system and method of processing DTV signal | |||
| 130 | 8223880 | System and method for power line communication | |||
| 131 | 8218682 | Digital signal transmitting apparatus | |||
| 132 | 8198949 | Digital modulator | |||
| 133 | 8144809 | Modulating apparatus, mobile communication system, modulating method, and communication method | |||
| 134 | 8139690 | Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain | |||
| 135 | 8139679 | System and method for controlling modulation | |||
| 136 | 8139677 | Method for selecting constellation rotation angles for quasi-orthogonal space-time and space-frequency block coding | |||
| 137 | 8139673 | Transmission method of wireless signal and transmitter using the same | |||
2011 | |||||
| 138 | 8077803 | Quarter duty cycle pulse generator for interleaved switching mixer | |||
| 139 | 8077797 | Method, system, and apparatus for balanced frequency up-conversion of a baseband signal | |||
| 140 | 8036304 | Apparatus and method of differential IQ frequency up-conversion | |||
| 141 | 8018295 | Modulation device and pulse wave generation device | |||
| 142 | 8005161 | Method, hardware product, and computer program product for performing high data rate wireless transmission | |||
| 143 | 7953182 | Quadrature modulation without carrier | |||
| 144 | 7928813 | Transient noise control for digital RF modulation | |||
| 145 | 7916808 | 8PSK modulator | |||
| 146 | 7912111 | Dynamic switching of carrier tracking loops without loss of tracking information | |||
| 147 | 7885353 | Spread spectrum block control apparatus and spread spectrum clock generating apparatus | |||
2010 | |||||
| 148 | 7860187 | FSK signal modulator for producing a binary FSK signal | |||
| 149 | 7826403 | Wireless communication control apparatus and wireless communication method to reduce inter-channel interference in narrow-band communications | |||
| 150 | 7822134 | Digital broadcasting system and method of processing data | |||
| 151 | 7809082 | GMSK/EDGE modulator with switching transition smoothing | |||
| 152 | 7804376 | Continuous phase modulation processing for wireless networks | |||
| 153 | 7795986 | Multi-format all-digital modulator and method | |||
| 154 | 7773696 | QBL-MSK mapping for time of arrival (TOA) applications | |||
| 155 | 7773688 | Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors | |||
| 156 | 7742545 | Method and apparatus for generating corrected quadrature phase signal pairs in a communication device | |||
| 157 | 7741926 | Frequency synthesizer having improved frequency hopping | |||
| 158 | 7729440 | Frequency modulator for digital transmissions | |||
| 159 | 7720176 | Edge transceiver architecture and related methods | |||
| 160 | 7693230 | Apparatus and method of differential IQ frequency up-conversion | |||
| 161 | 7675995 | Apparatus and method for conditioning a modulated signal in a communications device | |||
| 162 | 7667551 | Frequency shift keying modulator having sigma-delta modulated phase rotator | |||
| 163 | 7657238 | Method and apparatus for modulating a radio signal using digital amplitude and phase control signals | |||
| 164 | 7643574 | Transmitting apparatus and method in transmit diversity system | |||
2009 | |||||
| 165 | 7564923 | Frequency offset and method of offsetting | |||
| 166 | 7558335 | Communication system modulating/demodulating data using antenna patterns and associated methods | |||
| 167 | 7551904 | Apparatus and method for high efficiency power amplification for a mobile communication system | |||
| 168 | 7542520 | Apparatus and method for implementing a low complexity digital modulator | |||
| 169 | 7532682 | Quadrature modulation without carrier | |||
| 170 | 7515650 | Quadrature modulation compensation | |||
| 171 | 7495520 | Modulation device using frequency-shift keying | |||
| 172 | 7482883 | Gain normalization of a digitally controlled oscillator in an all digital phase locked loop based transmitter | |||
2008 | |||||
| 173 | 7440515 | System and method for controlling modulation | |||
| 174 | 7421039 | Method and system employing antenna arrays | |||
| 175 | 7383025 | Method for processing RF signals for receiving and transmission | |||
| 176 | 7376114 | Code multiplexing transmitting apparatus | |||
| 177 | 7352795 | System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation | |||
| 178 | 7349488 | Frequency shift keying signaling for integrated circuits | |||
| 179 | 7333565 | Semiconductor integrated circuit for communication | |||
| 180 | 7317765 | Signal observation system | |||
2007 | |||||
| 181 | 7302011 | Quadrature frequency doubling system | |||
| 182 | 7280608 | Real time dynamic correlator | |||
| 183 | 7260156 | Modulation identification device | |||
| 184 | 7249008 | Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal | |||
| 185 | 7248639 | Method for reducing the out-of-band emission in AM transmitters for digital transmission | |||
| 186 | 7242726 | Parallel concatenated code with soft-in soft-out interactive turbo decoder | |||
| 187 | 7227910 | Communication device with configurable sigma-delta modulator | |||
| 188 | 7218684 | Method and system for code reuse and capacity enhancement using null steering | |||
| 189 | 7212581 | Up / down conversion circuitry for radio transceiver | |||
| 190 | 7206357 | System and method for an improved quadrature upconverter for I/Q modulation using intermediate frequency carriers | |||
| 191 | 7206356 | Wireless transmitter with reduced power consumption | |||
| 192 | 7200184 | Data dithering apparatus and method | |||
| 193 | 7187716 | Vehicle mounted DSRC apparatus | |||
| 194 | 7177368 | Data transfer using frequency notching of radio-frequency signals | |||
| 195 | 7167527 | System and method for multi-symbol interfacing | |||
| 196 | 7164729 | Differential transmitter diversity technique for wireless communications | |||
2006 | |||||
| 197 | 7142613 | Methods, systems and devices for generating pulse shapes | |||
| 198 | 7136427 | Method and apparatus for adaptive modulation using space-time block code matrix | |||
| 199 | 7136426 | Communication system including a wire network linked with another network via radio waves | |||
| 200 | 7133462 | Method and apparatus for determining modulation scheme for retransmission in a communication system | |||
| 201 | 7133461 | Stream transmission method and device | |||
| 202 | 7129802 | Method for estimating a carrier leak, an estimator and modulation system provided with automatic control of a carrier using said system | |||
| 203 | 7123666 | Gaussian minimum shift key transmitter with feedforward phase compensation | |||
| 204 | 7123665 | Method and apparatus for measuring phase error of a modulated signal | |||
| 205 | 7116725 | Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems | |||
| 206 | 7103110 | Dual phase pulse modulation encoder circuit | |||
| 207 | 7099402 | Transmitter system and method for a wireless communication system | |||
| 208 | 7099401 | Discrete multitone interleaver | |||
| 209 | 7095801 | Phase adjustable polyphase filters | |||
| 210 | 7092453 | Automatic method for power control and phy mode switching control in adaptive phy mode systems | |||
| 211 | 7088786 | Process for the transmission of analog and digital information | |||
| 212 | 7072418 | Method and apparatus for performing Nyquist folding frequency modulation | |||
| 213 | 7072417 | LDPC encoder and method thereof | |||
| 214 | 7072416 | Transmitting/receiving device and transmitting/receiving method | |||
| 215 | 7072414 | Gaussian minimum shift keying (GMSK) precoding communication method | |||
| 216 | 7065157 | GMSK modulation techniques | |||
| 217 | 7065156 | Hopped delay diversity for multiple antenna transmission | |||
| 218 | 7065153 | High speed monolithic microwave integrated circuit (MMIC) quadrature phase shift keying (QPSK) and quadrature amplitude modulation (QAM) modulators | |||
| 219 | 7061989 | Fully digital transmitter including a digital band-pass sigma-delta modulator | |||
| 220 | 7054383 | Method for the determination of the average long-term power of digital modulated signal | |||
| 221 | 7054381 | Apparatus for TFCI mapping in wireless communication mobile station and method thereof | |||
| 222 | 7042957 | Method and communication system for transmitting information with the aid of a multicarrier method | |||
| 223 | 7039122 | Method and apparatus for generating a composite signal | |||
| 224 | 7039119 | Method and apparatus for combining transponders on multiple satellites into virtual channels | |||
| 225 | 7012968 | Apparatus for detecting and adjusting transmission power of CDMA system | |||
| 226 | 7003050 | Radio transmitter, radio receiver, and multilevel modulation communication system | |||
| 227 | 7003047 | Tri-state integer cycle modulation | |||
2005 | |||||
| 228 | 6950478 | Transmitter and method having a low sampling frequency for digital to analog conversion | |||
| 229 | 6925130 | Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications | |||
| 230 | 6885256 | Input circuit for an HF-transmitting component | |||
2004 | |||||
| 231 | 6816559 | FSK modulation transceiver | |||
| 232 | 6774738 | Trimming method for a transceiver using two-point modulation | |||
| 233 | 6724851 | FIR chip for use in a wireless subscriber unit | |||
| 234 | 6714983 | Modular, portable data processing terminal for use in a communication network | |||
2003 | |||||
| 235 | 6654378 | Transaction control system including portable data terminal and mobile customer service station | |||
| 236 | 6614768 | Enhanced mobility and address resolution in a wireless premises based network | |||
| 237 | 6597208 | Digital synthesizer with coherent division | |||
| 238 | 6563884 | Method and apparatus for seamlessly changing the radio interface data rate in circuit switched transmission | |||
| 239 | 6546060 | Direct modulating FSK transmitter for MCA | |||
2002 | |||||
| 240 | 6452461 | High-speed power-efficient coded M-ary FSK modulator | |||
| 241 | 6449317 | Digital synthesizer | |||
| 242 | 6420940 | Transmitter with a phase modulator and a phase locked loop | |||
| 243 | 6418174 | Frequency shift key modulator | |||
| 244 | 6396431 | Precision microwave/millimeter wave modulated signal source | |||
| 245 | 6392499 | Frequency shift modulation circuit | |||
| 246 | 6389059 | Multi-band, multi-mode spread-spectrum communication system | |||
| 247 | 6345173 | Frequency modulator | |||
2001 | |||||
| 248 | 6288618 | Logic-based architecture for FSK modulation and demodulation | |||
| 249 | 6282246 | Frequency modulation method and modem unit employing such method | |||
| 250 | 6275539 | System and method for modulating a frequency signal | |||
| 251 | 6265948 | Image rejection in logic-based architecture for FSK modulation and demodulation | |||
| 252 | 6236689 | Device comprising a phase-locked loop, electronic apparatus comprising such a device and method of modulating the frequency of an oscillator | |||
| 253 | 6185264 | Apparatus and method for frequency shift keying | |||
| 254 | 6172579 | Three point modulated phase locked loop frequency synthesis system and method | |||
| 255 | 6169769 | Method and apparatus for bias suppression in a VCO based FM transmission system | |||
2000 | |||||
| 256 | 6163229 | Frequency generator for generating two independent FSK signals | |||
| 257 | 6078226 | Integrated circuit implementation of a frequency shift keying oscillator | |||
| 258 | 6049257 | Method and arrangement for frequency modulation of a high-frequency signal | |||
1999 | |||||
| 259 | 6008703 | Digital compensation for wideband modulation of a phase locked loop frequency synthesizer | |||
| 260 | 6002304 | Data modulation system using digital signal processing | |||
| 261 | 5991605 | Method and circuit for creating a modulated signal in a transceiver | |||
| 262 | 5946356 | Method and apparatus for data transmission within a broad-band communications system | |||
| 263 | 5940457 | Millimeter-wave (MMW) synthesizer with FSK modulation transmitter | |||
| 264 | 5936472 | Oscillating circuit with limitation function of oscillation frequency | |||
| 265 | 5933039 | Programmable delay line | |||
| 266 | 5912926 | Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions | |||
| 267 | 5905413 | Angular modulator with a phase variation divided and integrated | |||
| 268 | 5889783 | Data communication | |||
| 269 | 5889443 | Frequency synthesizing circuit using a phase-locked loop | |||
| 270 | 5887020 | Multi-band, multi-mode spread-spectrum communication system | |||
| 271 | 5878335 | Composite direct digital synthesizer | |||
| 272 | 5878084 | Method and apparatus for recovering the independent bit streams from each of two co-channel frequency modulated carriers | |||
1998 | |||||
| 273 | 5818880 | MMIC telemetry transmitter | |||
| 274 | 5796772 | Multi-band, multi-mode spread-spectrum communication system | |||
| 275 | 5793261 | Saw stabilized FSK oscillator circuit | |||
| 276 | 5790587 | Multi-band, multi-mode spread-spectrum communication system | |||
| 277 | 5790555 | Signal multiplexer and multiplexing method | |||
| 278 | 5790536 | Hierarchical communication system providing intelligent data, program and processing migration | |||
| 279 | 5761259 | Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio | |||
| 280 | 5757245 | Circuit for 2-level/4-level frequency shift key modulation | |||
| 281 | 5754587 | Method and apparatus for bias suppression in a VCO based FM transmission system | |||
| 282 | 5751114 | Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter | |||
| 283 | 5726984 | Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones | |||
| 284 | 5712878 | Digital FSK modulator | |||
| 285 | 5706310 | Wide bandwidth loop in a frequency shift keying (FSK) system | |||
| 286 | 5705945 | Synthesizable architecture for all-digital minimal jitter frequency synthesizer | |||
1997 | |||||
| 287 | 5694414 | Multi-band, multi-mode spread-spectrum communication system | |||
| 288 | 5680633 | Modular, portable data processing terminal for use in a radio frequency communication network | |||
| 289 | 5679943 | Hand-held terminal with display screens, interactive screens, magnetic credit card readers, scanners, printers and handlers | |||
| 290 | 5657317 | Hierarchical communication system using premises, peripheral and vehicular local area networking | |||
| 291 | 5650739 | Programmable delay lines | |||
| 292 | 5644601 | Method and apparatus for bias suppression in a VCO based FM transmission system | |||
| 293 | 5638405 | Dual-mode baseband controller for radio-frequency interfaces relating to digital cordless telephones | |||
| 294 | 5638404 | Pre-compensated frequency modulation (PFM) | |||
| 295 | 5633894 | Circuit for modulating a sinusoidal waveform signal using digital pulse shaping | |||
| 296 | 5617063 | Matched filters for processing related signal components | |||
| 297 | 5612650 | Transmitting device for a frequency modulated digital transmission signal | |||
| 298 | 5608761 | Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission | |||
1996 | |||||
| 299 | 5579342 | Pre-compensated frequency modulation (PFM) | |||
| 300 | 5567925 | Hand-held data capture system with interchangeable modules | |||
| 301 | 5555276 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 302 | 5550865 | Frequency modulator for data transceiver | |||
| 303 | 5533056 | Data encoder/decoder for data transceiver | |||
| 304 | 5532654 | FSK modulator using saw resonator with switchable capacitors | |||
| 305 | 5521947 | Phase detection reset in phase locked loops used for direct VCO modulation | |||
| 306 | 5517433 | Parallel digital data communications | |||
| 307 | 5515364 | Radio frequency telecommunications transceiver | |||
| 308 | 5513219 | Apparatus and method for transmitting information with a subminimally modulated transmission signal | |||
| 309 | 5493583 | Wireless data transceiver | |||
| 310 | 5487183 | Method and apparatus for a data transmitter | |||
| 311 | 5485129 | Method and apparatus for digital modulation using pulse deletion | |||
1995 | |||||
| 312 | 5471187 | Data signal comparation with self-adjusting threshold | |||
| 313 | 5467373 | Digital frequency and phase modulator for radio transmission | |||
| 314 | 5453714 | Binary FM demodulator with self-adjusting resonant operating frequency according to demodulated binary output signal duty cycle | |||
| 315 | 5450086 | Self-tuning receiver/decoder for frequency shift keying RF data transmission | |||
| 316 | 5444737 | Wireless data transceiver | |||
| 317 | 5444415 | Modulation and demodulation of plural channels using analog and digital components | |||
| 318 | 5436599 | Method and apparatus for digital modulation using pulse addition | |||
| 319 | 5434888 | FSK modulating apparatus | |||
| 320 | 5410315 | Group-addressable transponder arrangement | |||
1994 | |||||
| 321 | 5367537 | Saw-based FSK modulating circuit | |||
| 322 | 5365548 | Digital FSK transmitter | |||
| 323 | 5365546 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 324 | 5361046 | Modulator having fractional sample/symbol time | |||
| 325 | 5331136 | Hand-held data capture system with interchangeable modules | |||
| 326 | 5329258 | Multilevel FSK modulator having phase locked loop with controlled transient response | |||
| 327 | 5323125 | Frequency agile method for transmitting multi-level data | |||
| 328 | 5313053 | Laser scanner module having integral interfacing with hand-held data capture terminal | |||
| 329 | 5311556 | Digital FSK transmitter receiver and method of operating same | |||
| 330 | 5303412 | Composite direct digital synthesizer | |||
| 331 | 5291516 | Dual mode transmitter and receiver | |||
1993 | |||||
| 332 | 5254958 | Phase-lock-loop circuit and method for compensating, data bias in the same | |||
| 333 | 5245631 | Process and device for transmitting numerical data | |||
| 334 | 5241566 | Full duplex FSK system | |||
| 335 | 5227741 | Variable speed asynchronous modem | |||
| 336 | 5218187 | Hand-held data capture system with interchangeable modules | |||
| 337 | 5205294 | Apparatus and methodology for digital telemetry of biomedical signals | |||
| 338 | 5204642 | Frequency controlled recursive oscillator having sinusoidal output | |||
| 339 | 5189381 | Apparatus for generating a sinusoidal output signal | |||
1992 | |||||
| 340 | 5157358 | High speed frequency agile FSK modulator | |||
| 341 | 5155446 | Digital FSK demodulator | |||
| 342 | 5132829 | Tone spacing and power level monitor for FSK lightwave systems | |||
| 343 | 5130676 | Phase locked loop frequency synthesizer with DC data modulation capability | |||
| 344 | 5113278 | Communication system and apparatus using chip signals | |||
| 345 | 5105444 | System for high speed data tranmission | |||
| 346 | 5084681 | Digital synthesizer with phase memory | |||
1991 | |||||
| 347 | 5073331 | Modulation method for use in a semiconductor laser and an apparatus therefor | |||
| 348 | 5053728 | Phase locked loop frequency modulator using data modulated digital synthesizer as reference | |||
| 349 | 5052020 | Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions | |||
| 350 | 5023949 | Apparatus for generating an FSK-modulated optical signal having two different polarization conditions for an optical transmission system having an optical two-filter FSK super-heterodyne receiver | |||
| 351 | 5016260 | Modulator and transmitter | |||
| 352 | 5016259 | Low jitter DDFS FSK modulator | |||
| 353 | 5010585 | Digital data and analog radio frequency transmitter | |||
1989 | |||||
| 354 | 4878035 | Hybrid frequency shift keying modulator and method | |||
| 355 | 4871987 | FSK or am modulator with digital waveform shaping | |||
| 356 | 4866771 | Signaling system | |||
1988 | |||||
| 357 | 4761751 | Method and apparatus for generating digital signals representing periodic samples of a sine wave | |||
| 358 | 4740995 | Variable frequency sinusoidal signal generator, in particular for a modem | |||
| 359 | 4724534 | Method and apparatus for transmitting binary data signals by frequency shift keying | |||
1987 | |||||
| 360 | 4695931 | Voltage/frequency converter with frequency drift compensation loop | |||
| 361 | 4689803 | Antenna tuning system and method | |||
| 362 | 4686490 | Digital data modulator and digital-to-analog converter | |||
| 363 | 4682344 | Rf fsk transmitter | |||
| 364 | 4670888 | Frequency modulated modem transmitter | |||
| 365 | 4648099 | Digital minimum shift keyed modulator | |||
1986 | |||||
| 366 | 4631694 | Sine wave synthesizer | |||
| 367 | 4618966 | Frequency shift key modulator | |||
| 368 | 4616364 | Digital hopped frequency, time diversity system | |||
| 369 | 4609886 | PLL modulation circuit | |||
| 370 | 4573165 | Transmission circuit for modems employing frequency shift keying | |||
| 371 | 4567603 | FSK Modulator and method for NRZ data transmission utilizing PLL frequency synthesis | |||
1985 | |||||
| 372 | 4555792 | Transmitter for transmitting an FSK-modulated signal | |||
| 373 | 4550292 | Automatic oscillator frequency control system | |||
| 374 | 4543541 | FSK modulation using switched outputs of two oscillators | |||
| 375 | 4540958 | Zero if frequency-modulator | |||
| 376 | 4523158 | Clock regenerator using two on-off oscillators | |||
| 377 | 4500857 | Frequency modulated phase locked loop | |||
| 378 | 4492936 | Fractional-division frequency synthesizer for digital angle-modulation | |||
1984 | |||||
| 379 | 4481489 | Binary signal modulating circuitry for frequency modulated transmitters | |||
| 380 | 4471328 | Variable frequency reference source responsive to digital data | |||
| 381 | 4441193 | Frequency-encoding circuit for reducing distortion | |||
1983 | |||||
| 382 | 4411005 | Data circuit for frequency modulating an oscillator | |||
| 383 | 4389622 | System for preventing transient induced errors in phase locked loop | |||
| 384 | 4384356 | Wide band modem for high speed data transmission | |||
| 385 | 4370747 | Data transmission | |||
| 386 | 4368439 | Frequency shift keying system | |||
1982 | |||||
| 387 | 4346448 | Generation of electric signals having approximately sinusoidal waveforms | |||
| 388 | 4330687 | Audio and full duplex digital data carrier system | |||
| 389 | 4323862 | Frequency shift modulator with circuitry for simple change-over between high and low channels | |||
| 390 | 4320361 | Amplitude and frequency modulators using a switchable component controlled by data signals | |||
| 391 | 4317209 | FSK Tone generator circuit | |||
1981 | |||||
| 392 | 4308508 | Phase locked loop frequency modulator | |||
| 393 | 4302629 | Digital data transmission system | |||
| 394 | 4259648 | One-bit frequency-shift-keyed modulator | |||
1980 | |||||
| 395 | 4199761 | Multichannel radio communication system for automated power line distribution networks | |||
| 396 | 4188583 | Sampling method and apparatuses | |||
1979 | |||||
| 397 | 4170764 | Amplitude and frequency modulation system | |||
| 398 | 4160121 | Frequency shift keyed tone generator | |||
| 399 | 4142245 | Multi-frequency digital wave synthesizer for providing analog output signals | |||
1978 | |||||
| 400 | 4090138 | FSK Transmitter having frequency band-limitation | |||
1977 | |||||
| 401 | 4039952 | Digital frequency shift-keyed transmitter | |||
| 402 | 4015220 | Frequency shift keyed toned generator | |||
1976 | |||||
| 403 | 3997855 | Digital FSK time rate of change modulator | |||
| 404 | 3991389 | Digital frequency shift key modulator | |||
| 405 | 3987374 | Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation | |||
| 406 | 3967202 | Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands | |||
| 407 | 3962653 | Arrangement for simultaneously producing signals having an increasing frequency and signals having a decreasing frequency | |||
| 408 | 3958191 | Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation | |||
| 409 | 3932704 | Coherent digital frequency shift keying system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||