СПИСОК патентов США - подгруппа МПК16 H04B1/74
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9565013 | Controlling the state of duplexing of coupling facility structures | |||
| 2 | 9564865 | Redundant amplifier and switching method thereof | |||
| 3 | 9560658 | Method for transmission of backhaul data in wireless 238communication systems | |||
2016 | |||||
| 4 | 9484975 | Modular microwave backhaul outdoor unit | |||
| 5 | 9479430 | Distributed protection switching architecture for point-to-point microwave radio systems | |||
| 6 | 9344249 | Method for a transmitter for a multi-channel communication system for sending real-time data | |||
| 7 | 9337892 | Method and system for switching main board and standby board | |||
| 8 | 9306621 | Transceiver including a high latency communication channel and a low latency communication channel | |||
| 9 | 9281997 | Building baseband unit, baseband processing panel, and failure processing method for baseband processing panel | |||
| 10 | 9253046 | Controlling the state of duplexing of coupling facility structures | |||
| 11 | 9246750 | Wireless communication apparatus and wireless communication method | |||
| 12 | 9231654 | Transmission system and control method of same | |||
2015 | |||||
| 13 | 9225410 | Communication system, apparatus and method | |||
| 14 | 9218152 | Image forming apparatus and control method thereof | |||
| 15 | 9215110 | Hitless efficient transmitter protection of all outdoor radios | |||
| 16 | 9166922 | Communication device for an industrial communication network which can be operated in a redundant manner and method for operating a communication device | |||
| 17 | 9136903 | Method for resizing network connection in the optical transport network supporting protection switching | |||
| 18 | 9112697 | Systems and methods of transmitter protection for wireless communications | |||
| 19 | 9106331 | Transmission apparatus and processing method thereof | |||
| 20 | 9092154 | Device information backup method, device, and system | |||
| 21 | 9069054 | Microwave transmission apparatus | |||
| 22 | 9060298 | Distributed protection switching architecture for point-to-point microwave radio systems | |||
| 23 | 9059791 | Method and apparatus for protecting tunnel | |||
2014 | |||||
| 24 | 8913951 | Method and system for 60 GHz distributed communication utilizing a mesh network of repeaters | |||
2013 | |||||
| 25 | 8547831 | Methods and systems for automatically rerouting logical circuit data | |||
2012 | |||||
| 26 | 8140933 | Buffering packets of a media stream | |||
| 27 | 8121479 | Optical network terminal management and control interface (OMCI) containing a description of the OMCI | |||
2008 | |||||
| 28 | 7353306 | Storage controller redundancy using bi-directional reflective memory channel | |||
2007 | |||||
| 29 | 7191326 | Method and apparatus for making and using test verbs | |||
2005 | |||||
| 30 | 6966014 | Method for system obstacle correspondence support | |||
| 31 | 6965845 | Method and apparatus for system management using codebook correlation with symptom exclusion | |||
| 32 | 6963994 | Managing connections to coupling facility structures | |||
| 33 | 6957367 | System and method for controlling activity of temporary files in a computer system | |||
| 34 | 6956817 | Communication system | |||
| 35 | 6944800 | Dynamic display of personal computer support information | |||
| 36 | 6944787 | System-managed duplexing of coupling facility structures | |||
| 37 | 6941493 | Memory subsystem including an error detection mechanism for address and control signals | |||
| 38 | 6941491 | Method of debugging using a USB connecting system | |||
| 39 | 6941396 | Storage controller redundancy using bi-directional reflective memory channel | |||
| 40 | 6940935 | System and method for aligning data between local and remote sources thereof | |||
| 41 | 6938186 | System and method for performing a path-sensitive verification on a program | |||
| 42 | 6938091 | Static end to end retransmit apparatus and method | |||
| 43 | 6934904 | Data integrity error handling in a redundant storage array | |||
| 44 | 6934247 | Recovery following process or system failure | |||
| 45 | 6931628 | Mangled strings for testing of internationalization | |||
| 46 | 6931570 | Self-optimizing the diagnosis of data processing systems by flexible multitasking | |||
| 47 | 6928590 | Memory device and method for storing bits in non-adjacent storage locations in a memory array | |||
| 48 | 6928513 | System and method for managing data logging memory in a storage area network | |||
| 49 | 6925108 | Ultrawide bandwidth system and method for fast synchronization | |||
| 50 | 6922804 | Dynamic end to end retransmit apparatus and method | |||
| 51 | 6918124 | Query trees including or nodes for event filtering | |||
| 52 | 6918052 | Managing operations of a computer system having a plurality of partitions | |||
| 53 | 6915445 | Fault-protection mechanism for protecting multi-protocol-label switching (MPLS) capability within a distributed processor router operating in an MPLS network | |||
| 54 | 6912372 | Ultra wideband signals for conveying data | |||
| 55 | 6910160 | System, method, and computer program product for preserving trace data after partition crash in logically partitioned systems | |||
| 56 | 6909922 | Apparatus, method and computer system for reducing power consumption of a processor or processors upon occurrence of a failure condition affecting the processor or processors | |||
| 57 | 6901539 | ACPI name space validation | |||
| 58 | 6901259 | Communication system that provides adjustable communication service availability to subscribers | |||
| 59 | 6895533 | Method and system for assessing availability of complex electronic systems, including computer systems | |||
| 60 | 6892326 | Systems and methods for monitoring object activity through an external agent using a proxy object | |||
| 61 | 6889341 | Method and apparatus for maintaining data integrity using a system management processor | |||
| 62 | 6883114 | Block device driver enabling a ruggedized file system | |||
| 63 | 6883111 | Data recording method and data recording apparatus | |||
| 64 | 6876819 | Image forming device and remote monitoring system for the same | |||
| 65 | 6871297 | Power-on state machine implementation with a counter to control the scan for products with hard-BISR memories | |||
| 66 | 6865694 | CPU-based system and method for testing embedded memory | |||
| 67 | 6859904 | Apparatus and method to facilitate self-correcting memory | |||
| 68 | 6859866 | Synchronizing processing of commands invoked against duplexed coupling facility structures | |||
| 69 | 6847702 | Systems and methods for enhanced reliability in a communication system | |||
| 70 | 6845466 | Managing disk drive replacements on mulitidisk headless appliances | |||
2004 | |||||
| 71 | 6834363 | Method for prioritizing bus errors | |||
| 72 | 6834073 | System and method for baseband removal of narrowband interference in ultra wideband signals | |||
| 73 | 6832344 | Monitor system | |||
| 74 | 6813732 | Trace circuit | |||
| 75 | 6813239 | Dual transmission spread processing circuit system for CDMA communication apparatus | |||
| 76 | 6804796 | Method and test tool for verifying the functionality of a software based unit | |||
| 77 | 6799288 | Detecting and mitigating memory device latchup in a data processor | |||
| 78 | 6785836 | In-place data transformation for fault-tolerant disk storage systems | |||
| 79 | 6782489 | System and method for detecting process and network failures in a distributed system having multiple independent networks | |||
| 80 | 6772135 | Systems and methods for monitoring an application processor | |||
| 81 | 6762993 | DCME system with circuit switching capability | |||
| 82 | 6757849 | System and method for developing customized integration tests and network peripheral device evaluations | |||
| 83 | 6757528 | Wireless backup telephone device and associated support system | |||
| 84 | 6754204 | Systems and methods for enhanced reliability in a communication system | |||
| 85 | 6738934 | On-chip watchdog circuit | |||
| 86 | 6735238 | Ultra wideband communication system, method, and device with low noise pulse formation | |||
| 87 | 6728717 | Storage system with online manual | |||
| 88 | 6717909 | Ethernet protection system providing fault tolerence for communication lines and interface cards according to classified failure states | |||
| 89 | 6691181 | Programmatic time-gap defect detection apparatus and method | |||
| 90 | 6690789 | Fault tolerant telephony control | |||
| 91 | 6687231 | System and method for ensuring operations of redundant signal paths in a communication system | |||
| 92 | 6684343 | Managing operations of a computer system having a plurality of partitions | |||
| 93 | 6684266 | Storage area network (SAN) fibre channel arbitrated loop (FCAL) multi-system multi-resource storage enclosure and method for performing enclosure maintenance concurrent with device operations | |||
2003 | |||||
| 94 | 6668352 | Distortion compensating device and method in a multi-code mobile communication system | |||
| 95 | 6668336 | Ruggedized block device driver | |||
| 96 | 6651186 | Remote incremental program verification using API definitions | |||
| 97 | 6629273 | Detection of silent data corruption in a storage system | |||
| 98 | 6615373 | Method, system and program products for resolving potential deadlocks | |||
| 99 | 6598106 | Dual-port SCSI sub-system with fail-over capabilities | |||
| 100 | 6590875 | Radio data communication technique for maintaining a connection between a mobile radio transmission device and a server during a communication interruption | |||
| 101 | 6580688 | Switching transmission units to an equivalent circuit for the purposes of bidirectional asynchronous cell transfer | |||
| 102 | 6577863 | Failure redundancy between modem interface cards and outdoor units in a wireless communication system | |||
| 103 | 6570844 | System and method for providing redundancy in a telecommunications system | |||
| 104 | 6553508 | Redundant communication fabrics for enhancing fault tolerance in Totem networks | |||
| 105 | 6526418 | Systems and methods for backing up data files | |||
| 106 | 6523138 | Input/output processing system | |||
| 107 | 6515962 | Hit-less switching pointer aligner apparatus and method | |||
| 108 | 6512755 | Wireless telecommunications access system | |||
| 109 | 6505032 | Carrierless ultra wideband wireless signals for conveying application data | |||
2002 | |||||
| 110 | 6490668 | System and method for dynamically moving checksums to different memory locations | |||
| 111 | 6480974 | Method for use of bus parking states to communicate diagnostic information | |||
| 112 | 6480466 | Terminal switching apparatus and method | |||
| 113 | 6463069 | Arrangement and method relating to a telecommunications system handling redundant signals | |||
| 114 | 6457146 | Method and apparatus for processing errors in a computer system | |||
| 115 | 6457144 | System and method for collecting trace data in main storage | |||
| 116 | 6445704 | Method and apparatus for virtualizing a locally initiated outbound connection from a connection manager | |||
| 117 | 6411802 | Wireless backup telephone device | |||
| 118 | 6411515 | Amplifier | |||
| 119 | 6397345 | Fault tolerant bus for clustered system | |||
| 120 | 6396806 | Transmission line duplexing processing method and apparatus thereof, and recording medium for recording its processing procedure | |||
| 121 | 6389557 | Freezing mechanism for debugging | |||
| 122 | 6385665 | System and method for managing faults in a data transmission system | |||
| 123 | 6370658 | Device for testing digital signal processor in digital video disc reproducing apparatus | |||
| 124 | 6369467 | Hot stand-by switching apparatus | |||
| 125 | 6366558 | Method and apparatus for maintaining connection state between a connection manager and a failover device | |||
| 126 | 6343080 | Devices for switching over electrical connections | |||
2001 | |||||
| 127 | 6331905 | Network switch failure restoration | |||
| 128 | 6324177 | Method and apparatus for managing connections based on a client IP address | |||
| 129 | 6324162 | Path-based restoration mesh networks | |||
| 130 | 6323686 | Crest factor compensated driver | |||
| 131 | 6311288 | System and method for virtual circuit backup in a communication network | |||
| 132 | 6301643 | Multi-environment data consistency | |||
| 133 | 6301225 | Configurable communication apparatus that permits use of unused multiplexer channels when operating in high power mode | |||
| 134 | 6301224 | Network switch with panic mode | |||
| 135 | 6247139 | Filesystem failover in a single system image environment | |||
| 136 | 6226762 | System and method for providing delayed start-up of an activity monitor in a distributed I/O system | |||
| 137 | 6195330 | Method and system for hit-less switching | |||
| 138 | 6181929 | Method for switching cell site controllers | |||
| 139 | 6175939 | Integrated circuit testing device with dual purpose analog and digital channels | |||
2000 | |||||
| 140 | 6151686 | Managing an information retrieval problem | |||
| 141 | 6141532 | Transmission line switch-over control system | |||
| 142 | 6122273 | Line interface selection circuit | |||
| 143 | 6115829 | Computer system with transparent processor sparing | |||
| 144 | 6108796 | Fault tolerant multi-drop communications system | |||
| 145 | 6108300 | Method and apparatus for transparently providing a failover network device | |||
| 146 | 6097928 | Method for selecting a control channel in a trunked radio system | |||
| 147 | 6092219 | Method for use of bus parking states to communicate diagnostic information | |||
| 148 | 6023452 | Network failure restoration method with different recovery performances for different signal groups | |||
| 149 | 6021111 | Unit switching apparatus with failure detection | |||
1999 | |||||
| 150 | 5995807 | Method of switching a channel from a first propagation path to a second propagation path | |||
| 151 | 5989060 | System and method for direct communication with a backup network device via a failover cable | |||
| 152 | 5987098 | Method and system for sparing echo cancellers | |||
| 153 | 5940410 | Method of transmitting data reliably over N normal channels, and over at least one back-up channel, and a transmit end station, a receive end station, and a relay station corresponding to the method | |||
| 154 | 5937029 | Data logging system employing M[N +1] redundancy | |||
| 155 | 5933590 | Restoration of multiple span cuts with priority hand-off using SHN | |||
| 156 | 5896370 | Signal protection and monitoring system | |||
| 157 | 5886427 | Low signal loss type hot stand-by switching unit | |||
| 158 | 5861844 | Method and apparatus for providing redundant coverage within a cellular communication system | |||
1998 | |||||
| 159 | 5835483 | Information transmission system utilizing at least two channels in the redundancy mode | |||
| 160 | 5821811 | Bypass device in an amplifier unit | |||
| 161 | 5809406 | Receiving apparatus and method for switching between active and standby receivers | |||
| 162 | 5809221 | Apparatus and method for detecting and bypassing faulty switches in a digital matrix switch | |||
| 163 | 5798705 | Communication system capable of easily reforming to have communication units | |||
| 164 | 5781535 | Implementation protocol for SHN-based algorithm restoration platform | |||
| 165 | 5771225 | System for adjusting characteristic of protection unit when switching from plural working units having various characteristics to protection unit | |||
| 166 | 5761245 | Method and a system for redundancy control of baseband channels in a telecommunications system | |||
| 167 | 5757769 | Line switching control system in synchronous communication network system | |||
| 168 | 5752161 | Method and apparatus for replacing a failed channel unit of a sectored base station, in a cellular radio system, with an additional channel unit | |||
| 169 | 5742646 | Method of selecting and switching signal paths in a digital communication system | |||
| 170 | 5724341 | Network control apparatus | |||
1997 | |||||
| 171 | 5697067 | Communication system utilizing radiating transmission line | |||
| 172 | 5696513 | Signal transmitting apparatus | |||
| 173 | 5680389 | Data transmission system | |||
| 174 | 5677931 | Transmission path switching apparatus | |||
| 175 | 5669065 | Completely redundant communication system utilizing radiating transmission line | |||
| 176 | 5666646 | Radio frequency (RF) converter system with distributed protection switching and method therefor | |||
| 177 | 5663949 | Line protection switching system in duplexed fiber interface shelf | |||
| 178 | 5640415 | Bit error performance of a frequency hopping, radio communication system | |||
| 179 | 5640140 | Alarm processing apparatus | |||
| 180 | 5638358 | Protection switching system having impedance matching circuits | |||
| 181 | 5631927 | Shifting circuit for a transmission system with multiple links | |||
| 182 | 5631896 | Hitless path switching apparatus and method | |||
| 183 | 5627889 | Service restoration technique for telecommunications facilities having a single degree of freedom | |||
| 184 | 5627822 | Method and circuit arrangement for disturbance-free redirection of a message cell stream onto an alternate route | |||
| 185 | 5625866 | Mobile telecommunication system having an auxiliary routing arrangement | |||
1996 | |||||
| 186 | 5587996 | Method of radio-line relief and radio equipment in SDH network | |||
| 187 | 5581543 | Communication network and method which respond to a failed link | |||
| 188 | 5574718 | Signal protection and monitoring system | |||
| 189 | 5570344 | Synchronous digital hierarchy transmission device and method for exchanging synchronous digital hierarchy transmission device units | |||
| 190 | 5557603 | Radio communications apparatus with diversity | |||
| 191 | 5551056 | Method for securing the operation of a telecommunications network in a cellular radio system and a base station arrangement | |||
| 192 | 5506833 | PCA transmission apparatus and PCA transmission method | |||
| 193 | 5504779 | Redundancy modem | |||
1995 | |||||
| 194 | 5479396 | Redundant system having signal path operation function | |||
| 195 | 5469427 | Transmission line control system and interface unit therefor | |||
| 196 | 5457555 | Optical transmission system | |||
| 197 | 5448766 | Method and apparatus for automatically replacing a non-functioning transmitter in a radio communication system | |||
| 198 | 5448720 | Information processing system for obtaining status data of a simplex system by a standby system of a duplex system | |||
| 199 | 5448573 | Automatic circuit switching device restorable without a hit and its method | |||
| 200 | 5448572 | Spare signal line switching method and apparatus | |||
| 201 | 5446725 | Method of changing over path switch in optical transmission device | |||
| 202 | 5440538 | Communication system with redundant links and data bit time multiplexing | |||
| 203 | 5437059 | Radio transmitting system having back-up radio receiver operable in response to failure of main feed line | |||
| 204 | 5414414 | Data communication system with channel switches | |||
| 205 | 5408462 | Protection switching apparatus and method | |||
| 206 | 5406564 | Communication line backup system | |||
| 207 | 5387902 | Data networks | |||
1994 | |||||
| 208 | 5369642 | Switcher for redundant signal transmission system | |||
| 209 | 5357360 | Optical data network having adjustable delays for switching over to backup unit | |||
| 210 | 5355114 | Reconstruction of signals using redundant channels | |||
| 211 | 5315581 | Hit-less protection switching method and apparatus for ATM transmission lines | |||
| 212 | 5311551 | Digital signal hardware protection switching | |||
| 213 | 5311170 | Method and system for making bipolar switching to protection channel | |||
1993 | |||||
| 214 | 5274697 | Automatic data restoral for modems | |||
1992 | |||||
| 215 | 5163041 | Signal branching method applied to a protection switching equipment provided in a drop-insert station of a transmission system | |||
| 216 | 5115449 | Data networks | |||
| 217 | 5109296 | Transmission line switching system | |||
| 218 | 5097467 | Switching trigger detection circuit in line switching apparatus | |||
| 219 | 5091796 | Optical communication system having an improved protection line switching mechanism | |||
1991 | |||||
| 220 | 5073974 | Hot standby transmitter switching system using upper and lower sideband waves | |||
| 221 | 5073774 | One-to-one switching system | |||
| 222 | 5051979 | Method and apparatus for errorless switching | |||
| 223 | 5029158 | Protection switching in a multi-channel communications system | |||
| 224 | 5010550 | Transmission line switching system | |||
| 225 | 4985904 | High speed switching system in a radio-communication system including a plurality of main communication systems and a plurality of stand-by communication systems | |||
1990 | |||||
| 226 | 4975801 | Automatic by-pass for television components | |||
| 227 | 4972405 | Data path protection | |||
| 228 | 4965852 | Radio transmitter-receiver system for increasing or decreasing communication channels | |||
| 229 | 4961180 | Arrangements for producing and recognizing information identifying non-occupied transmission paths in a digital transmission system | |||
| 230 | 4949340 | Redundant repeater | |||
| 231 | 4947391 | Arrangements for producing and recognizing information identifying non-occupied transmission paths in a digital transmission system | |||
| 232 | 4941165 | Hot cut procedure for telecommunications network | |||
| 233 | 4930118 | Frame-interval fault detection in a demand assignment TDMA communication system | |||
| 234 | 4910763 | Switching device for connecting a data transmission system to the telephone switched network | |||
| 235 | 4908839 | Channel switching system | |||
1989 | |||||
| 236 | 4882730 | TDMA communication system having common time slots for system maintenance | |||
| 237 | 4837580 | Microwave landing system with fail-soft switching of dual transmitters, beam steering and sector antennas | |||
| 238 | 4831617 | Data communication system having means for switching between main and stand-by apparatuses | |||
| 239 | 4799237 | Channel-system exchange system for digital data radio-communication system | |||
| 240 | 4797903 | Channel switching system without instantaneous signal loss | |||
1988 | |||||
| 241 | 4780885 | Frequency management system | |||
| 242 | 4773081 | Channel switching system | |||
| 243 | 4748423 | Hot standby amplifier apparatus | |||
| 244 | 4733320 | Line protection switch equipment | |||
1987 | |||||
| 245 | 4700348 | Hot standby communications system | |||
| 246 | 4696060 | Optical transmission systems | |||
| 247 | 4683566 | Digital radio communication system | |||
| 248 | 4680776 | Protection switching system for carrier transmission line | |||
| 249 | 4680431 | Data network interface module with circuitry for disconnecting a module that has lost supply voltage | |||
| 250 | 4656645 | Radio communication system | |||
| 251 | 4646286 | Communications system with protection switching and channel identities | |||
| 252 | 4644301 | Redundancy system and switching network | |||
| 253 | 4641126 | Multiple-mode electrical power and communications interface | |||
1986 | |||||
| 254 | 4633464 | Control signalling arrangement for a digital transmission system | |||
| 255 | 4631719 | Channel looping apparatus for failure analysis | |||
| 256 | 4630265 | Method and apparatus for selecting for use between data buses in a redundant bus communication system | |||
| 257 | 4607376 | Digital radio relay system | |||
| 258 | 4598399 | Multichannel multisite signal protection channel switching apparatus | |||
| 259 | 4597079 | Redundant switchover system for TDMA satellite communication equipment | |||
| 260 | 4594709 | Data transmission device for loop transmission system | |||
1985 | |||||
| 261 | 4553247 | Telemetry system with signal booster for digital data transmission through a transmission line | |||
| 262 | 4553233 | Multiple-ring communication system | |||
| 263 | 4545074 | Fiber optic loop system with bypass mode | |||
| 264 | 4542496 | Loop transmission system and method of controlling the loop-back condition thereof | |||
| 265 | 4530085 | Reconfiguration control method for a loop-type data network | |||
| 266 | 4514844 | Duplex digital span transmission circuit arrangement | |||
| 267 | 4514841 | Connecting unit for a ring bus | |||
| 268 | 4498173 | Technique for digital split-channel transmission using interpolative coders and decoders | |||
1984 | |||||
| 269 | 4486852 | Synchronous time-shared data bus system | |||
| 270 | 4471491 | Service channel signal transmission system | |||
| 271 | 4468785 | Telemetry system with signal booster for digital data transmission through a transmission line | |||
| 272 | 4462099 | Error source excluding data transmission system | |||
| 273 | 4446551 | Data highway system with dual transmitting loop lines | |||
| 274 | 4446550 | Reliable signal system having at least one transmitter feeding plural series-connected receiver inputs | |||
1983 | |||||
| 275 | 4417348 | Errorless line protection switcher | |||
| 276 | 4395772 | Line protection switch controller | |||
| 277 | 4393493 | Automatic protection apparatus for span lines employed in high speed digital systems | |||
| 278 | 4380814 | Baseband data switching apparatus for digital communications system | |||
| 279 | 4380061 | Loop transmission system with improved bypass routing arrangement | |||
| 280 | 4370745 | Fail-safe transmission system | |||
1982 | |||||
| 281 | 4365248 | Digital transmission link relief triggering system | |||
| 282 | 4365247 | End station digital transmission link relieving system | |||
| 283 | 4349795 | RF Trap for a cable television trunk amplifier station | |||
| 284 | 4320508 | Self-diagnosing, self-correcting communications network | |||
| 285 | 4311877 | Method and means for improving the reliability of systems that transmit relatively wideband signals over two or more relatively narrowband transmission circuits | |||
1981 | |||||
| 286 | 4308613 | Simplex, party-line electromagnetic data packet transmission system with a self seeking alternate routing capability | |||
| 287 | 4279034 | Digital communication system fault isolation circuit | |||
| 288 | 4245343 | Automatic shunt device | |||
1980 | |||||
| 289 | 4242756 | Multiline switching protection apparatus | |||
| 290 | 4241330 | Multiple-processor digital communication system | |||
| 291 | 4236250 | Multiline switch | |||
| 292 | 4232206 | Signal transmission control system | |||
| 293 | 4231015 | Multiple-processor digital communication system | |||
| 294 | 4202024 | Repeater bypass protection apparatus | |||
| 295 | 4198611 | Redundancy system with eight devices for five channels | |||
| 296 | 4190821 | Self-healing loop communications system | |||
| 297 | 4186380 | Multi-terminal computer system with dual communication channels | |||
1979 | |||||
| 298 | 4159470 | Data communications systems employing redundant series transmission loops | |||
| 299 | 4155041 | System for reducing noise transients | |||
| 300 | 4147980 | Redundant RF system for space application | |||
1978 | |||||
| 301 | 4124818 | Arrangement for monitoring signal-to-interference ratio in a radio transmission system | |||
| 302 | 4109202 | Traffic switching in communications satellites | |||
| 303 | 4075440 | Automatic communication system reconfiguration apparatus | |||
| 304 | 4071700 | Testing apparatus | |||
1977 | |||||
| 305 | 4061989 | Redundancy switching system | |||
| 306 | 4042794 | Method and means for detecting an outgoing failure in a bidirectional communications span and looping the same in response thereto | |||
| 307 | 4039947 | Protection switching system for microwave radio | |||
| 308 | 4030069 | Redundant message metering network | |||
| 309 | 4011542 | Redundant data transmission system | |||
| 310 | 4006456 | Loop fault location and isolation | |||
| 311 | 4002847 | Fault isolation in a serial-looped transmission system | |||
1976 | |||||
| 312 | 3992669 | Radio frequency protection circuit | |||
| 313 | 3991278 | Line protection switching system | |||
| 314 | 3990009 | Method and apparatus for uniquely encoding channels in a digital transmission system | |||
| 315 | 3983340 | Automatic span line switch | |||
| 316 | 3979720 | Apparatus for monitoring a redundant multi-channel analog system | |||
| 317 | 3940566 | Arrangement for preventing interruptions in a time division multiplex transmission link for transfer of data | |||
| 318 | 3931623 | Reliable earth terminal for satellite communications | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||