| Subclass |
| Title |
|---|
|
ClassTitle
|
| ===>
MULTIPLEX COMMUNICATIONS
|
| | | |
| 200 | ![[Patents]](../gifs/ps.gif) | PHANTOM |
| 201 | | CROSSTALK SUPPRESSION |
| 202 | | AMPLITUDE COMPRESSION OR EXPANSION |
| 203 | | GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES |
| 204 | | . Plural diverse modulation techniques |
| 205 | | . . Pulse width and pulse position modulation |
| 206 | | . Quadrature carriers |
| 207 | | . . Having a signaling constellation |
| 208 | | . Particular set of orthogonal functions |
| 209 | | . . Walsh functions |
| 210 | | . Fourier transform |
| 211 | | . Level multiplex |
| 212 | | PULSE WIDTH (PULSE DURATION) MODULATION |
| 213 | | PULSE POSITION MODULATION |
| 214 | | SIMULTANEOUS TELEGRAPHY AND TELEPHONY |
| 215 | | PHASE MODULATION |
| 216 | | FAULT RECOVERY |
| 217 | | . Bypass an inoperative switch or inoperative element of a switching system |
| 218 | | . . Packet switching system or element |
| 219 | | . . . Standby switch |
| 220 | | . . Standby switch |
| 221 | | . Bypass an inoperative station |
| 222 | | . . In a ring or loop network |
| 223 | | . . . Using a secondary ring or loop |
| 224 | | . . . . Loopback of signals on the secondary ring or loop |
| 225 | | . Bypass an inoperative channel |
| 226 | | . . In a repeater system |
| 227 | | . . . Using a spare channel |
| 228 | | . . Spare channel |
| 229 | | DATA FLOW CONGESTION PREVENTION OR CONTROL |
| 230 | | . Control of data admission to the network |
| 231 | | . . End-to-end flow control |
| 232 | | . . Based on data flow rate measurement |
| 233 | | . . . Measurement of the peak data flow rate |
| 234 | | . . . Measurement of the average data flow rate |
| 235 | | . Flow control of data transmission through a network |
| 236 | | . . Including signaling between network elements |
| 237 | | . . Congestion based rerouting |
| 238 | | . . Least cost or minimum delay routing |
| 239 | | . Using antijabber circuit |
| 240 | | . . In a star coupler |
| 241 | | DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) |
| 242 | | . Fault detection |
| 243 | | . . Of a repeater system |
| 244 | | . . Of a switching system |
| 245 | | . . Of a local area network |
| 246 | | . Of a repeater |
| 247 | | . . Having a dedicated test line or channel |
| 248 | | . Path check |
| 249 | | . Loopback |
| 250 | | . Of a switching system |
| 251 | | . . Having dedicated test line or channel |
| 252 | | . Determination of communication parameters |
| 253 | | . . Measurement of flow rate of messages having an address header |
| 254 | | NETWORK CONFIGURATION DETERMINATION |
| 255 | | . Using a particular learning algorithm or technique |
| 256 | | . . Spanning tree |
| 257 | | . In a bus system |
| 258 | | . . In a ring system |
| 259 | | SPECIAL SERVICES |
| 260 | | . Conferencing |
| 261 | | . . Technique for setting up a conference call |
| 262 | | . . . Operator setup of the conference |
| 263 | | . . Conferee signals combined or distributed via time channels |
| 264 | | . . . Using plural diverse channel communications with a dedicated signaling channel (i.e., ISDN) |
| 265 | | . . . Particular technique for combining diverse information types |
| 266 | | . . . Using summation of conferee signals |
| 267 | | . . . . Digital summation |
| 268 | | . . . . . Including cancellation of certain signals |
| 269 | | . . . . Including cancellation of certain signals |
| 270 | | . Distribution of signal to multiple agent stations |
| 271 | | . Special feature of multiplex telephone terminal |
| 272 | | SEXTUPLEX |
| 273 | | QUADRUPLEX |
| 274 | | . Repeater |
| 275 | | . Duplex diplex |
| 276 | | DUPLEX |
| 277 | | . Communication over free space |
| 278 | | . . Transmit/receive interaction control |
| 279 | | . . Duplex repeaters |
| 280 | | . . Time division |
| 281 | | . . Frequency division |
| 282 | | . Transmit/receive interaction control |
| 283 | | . . Artificial line |
| 284 | | . . Differential |
| 285 | | . . Bridge |
| 286 | | . . Echo suppression or cancellation |
| 287 | | . . . Disabling or inhibiting |
| 288 | | . . . Using an attenuator |
| 289 | | . . . Having residual echo cancellation or suppression |
| 290 | | . . . Using a particular adaptive filter |
| 291 | | . . . . Using a transversal filter |
| 292 | | . . . Using a training sequence |
| 293 | | . Duplex repeaters or extenders |
| 294 | | . Time division |
| 295 | | . Frequency division |
| 296 | | . Convertible to half duplex |
| 297 | | DIPLEX |
| 298 | | LOW SPEED ASYNCHRONOUS DATA SYSTEM (E.G., TELETYPEWRITER SERVICE) |
| 299 | | . Data switching exchange |
| 300 | | . Data assembly or formatting |
| 301 | | . Transmitting time of transition and logic state |
| 302 | | . Channels separated in frequency |
| 303 | | . Rotary distributor |
| 304 | | . . Synchronizer |
| 305 | | . . . Start-Stop |
| 306 | | . . . . Nonmechanical |
| 307 | | TRASMULTIPLEXERS |
| 308 | | RESONANT TRANSFER TECHNIQUES |
| 309 | | RESONANT TRANSFER SUBSTITUTES |
| 310 | | COMMUNICATION OVER FREE SPACE |
| 311 | | . Signaling for performing battery saving |
| 312 | | . Message addressed to multiple destinations |
| 313 | | . Portable address responsive receiver |
| 314 | | . . Using time division multiplexing |
| 315 | | . Repeater |
| 316 | | . . Airborne or space satellite repeater |
| 317 | | . . . Including noise compensation |
| 318 | | . . . . Including power control |
| 319 | | . . . Multiple access (e.g., FDMA) |
| 320 | | . . . . Code division (CDMA) |
| 321 | | . . . . Time division (TDMA) |
| 322 | | . . . . . Channel reservation scheme |
| 323 | | . . . . . Including onboard switching |
| 324 | | . . . . . Synchronization |
| 325 | | . . . . Including onboard switching |
| 326 | | . . . Combining or distributing information via time channels |
| 327 | | . . In a trunking system |
| 328 | | . Having a plurality of contiguous regions served by respective fixed stations |
| 329 | | . . Channel assignment |
| 330 | | . . . Having both time and frequency assignment |
| 331 | | . . . Hand-off control |
| 332 | | . . . . Based upon a particular signal quality measurement |
| 333 | | . . . . . Signal quality determined by bit error rate |
| 334 | | . . . . . Using multiple antennas at a station |
| 335 | | . . . Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) |
| 336 | | . . . Combining or distributing information via time channels |
| 337 | | . . . . Multiple access (e.g., TDMA) |
| 338 | | . . Contiguous regions interconnected by a local area network |
| 339 | | . Plural usage of common antenna |
| 340 | | . Using trunking |
| 341 | | . . Channel assignment |
| 342 | | . Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) |
| 343 | | . Combining or distributing information via frequency channels |
| 344 | | . . Multiple access (e.g., FDMA) |
| 345 | | . Combining or distributing information via time channels |
| 346 | | . . Polling |
| 347 | | . . Multiple access (e.g., TDMA) |
| 348 | | . . . Channel reservation scheme |
| 349 | | . . Using messages having an address field as header |
| 350 | | . . Synchronization |
| 351 | | PATHFINDING OR ROUTING |
| 352 | | . Combined circuit switching and packet switching |
| 353 | | . . Switching network having common elements to handle both circuit switched traffic and packet switched traffic |
| 354 | | . . Switching network having separate elements to handle circuit switched traffic and packet switched traffic |
| 355 | | . . Routing packets through a circuit switching network |
| 356 | | . . Routing circuit switched traffic through a packet switching network |
| 357 | | . Through a circuit switch |
| 358 | | . . Switching input signals having different aggregate bit rates |
| 359 | | . . Input or output circuit, per se (i.e., line interface) |
| 360 | | . . Switching control |
| 361 | | . . . Folded network |
| 362 | | . . . Bus switch |
| 363 | | . . . . Having details of control storage arrangement |
| 364 | | . . . . Having plural buses |
| 365 | | . . . . . Separate transmit and receive buses |
| 366 | | . . . Including serial-parallel or parallel-serial conversion for input or output |
| 367 | | . . . . For distribution to a multiplanar switching network |
| 368 | | . . . . Having details of control storage arrangement |
| 369 | | . . . Having time and space switches |
| 370 | | . . . . Having space switch as intermediate stage (e.g., T-S-T, T-S-S, or S-S-T) |
| 371 | | . . . . . Having details of control storage arrangement |
| 372 | | . . . . Having time switch as intermediate stage (e.g., S-T-S or T-T-S) |
| 373 | | . . . . Having supervisory signaling |
| 374 | | . . . . Having details of control storage arrangement |
| 375 | | . . . Time switch, per se (e.g., T or T-T) |
| 376 | | . . . . Time slot interchange, per se |
| 377 | | . . . . Having supervisory signaling |
| 378 | | . . . . Having details of control storage arrangement |
| 379 | | . . . . . Data memory addressing |
| 380 | | . . . Space switch, per se (e.g., S or S-S) |
| 381 | | . . . Having details of control storage arrangement |
| 382 | | . . . . Data memory addressing |
| 383 | | . . . . Control storage addressing |
| 384 | | . . . Having a supervisory signaling feature |
| 385 | | . . . . Having a separate signaling network |
| 386 | | . . Particular switching network arrangement |
| 387 | | . . . Multiplanar switch |
| 388 | | . . . Multistage switch |
| 389 | | . Switching a message which includes an address header |
| 390 | | . . Replicate messages for multiple destination distribution |
| 391 | | . . Switching input signals having different aggregate bit rates |
| 392 | | . . Processing of address header for routing, per se |
| 393 | | . . . Address concatenation |
| 394 | | . . Sequencing or resequencing of packets to insure proper output sequence order |
| 395 | | . . Message transmitted using regularly occurring fixed length time intervals (e.g., ATM) |
| 396 | | . . . Distributed switching |
| 397 | | . . . . Employing logical addressing for routing (e.g., VP or VC) |
| 398 | | . . . Centralized switching |
| 399 | | . . . . Employing logical addressing for routing (e.g., VP or VC) |
| 400 | | . . Having a plurality of nodes performing distributed switching |
| 401 | | . . . Bridge or gateway between networks |
| 402 | | . . . . Bridge between bus systems |
| 403 | | . . . . . At least one bus is a ring network |
| 404 | | . . . . . . Ring or loop forms backbone for interconnecting other networks |
| 405 | | . . . . . . . The other networks are ring or loop networks |
| 406 | | . . . Plurality of rings or loops to form a mesh network |
| 407 | | . . . Interconnected star couplers |
| 408 | | . . . Nodes interconnected in hierarchy to form a tree |
| 409 | | . . . Employing logical addressing for routing (e.g., VP or VC) |
| 410 | | . . . Having a signaling feature |
| 411 | | . . Including sorting and merging networks |
| 412 | | . . Queuing arrangement |
| 413 | | . . . Having both input and output queuing |
| 414 | | . . . . Contention resolution for output |
| 415 | | . . . Having input queuing only |
| 416 | | . . . . Contention resolution for output |
| 417 | | . . . Having output queuing only |
| 418 | | . . . . Contention resolution for output |
| 419 | | . . Input or output circuit, per se (i.e., line interface) |
| 420 | | . . . For connecting plural subscribers to a network (i.e., network termination) |
| 421 | | . . . . Subscribers connected to input or output circuit by a common bus |
| 422 | | . . Centralized switching |
| 423 | | . . . Including a bus for interconnecting inputs and outputs |
| 424 | | . . . . Including a ring or loop for interconnecting inputs and outputs |
| 425 | | . . . Star configuration |
| 426 | | . . . Having a signaling feature |
| 427 | | . . Space switching |
| 428 | | . Store and forward |
| 429 | | . . Particular storing and queuing arrangement |
| 430 | | . FDM switching |
| 431 | | CHANNEL ASSIGNMENT TECHNIQUES |
| 432 | | . Messages addressed to multiple destinations |
| 433 | | . Only active channels transmitted |
| 434 | | . . Concentrator |
| 435 | | . . . TASI (Time Assignment Speech Interpolation) |
| 436 | | . Combined time and frequency assignment |
| 437 | | . Adaptive selection of channel assignment technique |
| 438 | | . Using a separate control line or bus for access control |
| 439 | | . . Control line is used to request or reserve access |
| 440 | | . . . Dual bus dynamic queuing (i.e., DQDB) |
| 441 | | . Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) |
| 442 | | . Combining or distributing information via time channels using multiple access technique (e.g., TDMA) |
| 443 | | . . Using channel reservation |
| 444 | | . . . With priority resolution |
| 445 | | . Carrier sense multiple access (CSMA) |
| 446 | | . . Using a star coupler |
| 447 | | . . Arbitration for access between contending stations |
| 448 | | . . . Using weighted back-off timing |
| 449 | | . Polling |
| 450 | | . . Passing a signal identifying the idle or busy state of a channel (e.g., token passing) |
| 451 | | . . . On bus |
| 452 | | . . . . On ring or loop |
| 453 | | . . . . . Initialization or reinitialization of network |
| 454 | | . . . . . Having multiple idle or busy signals simultaneously on the network |
| 455 | | . . . . . Including priority resolution |
| 456 | | . . . . . Idle or busy signal erasure or frame erasure |
| 457 | | . . . Initialization or reinitialization of network |
| 458 | | . Using time slots |
| 459 | | . . Having indication of idle or busy state of time slot |
| 460 | | . . . On ring or loop network |
| 461 | | . . Arbitration for access between contending stations |
| 462 | | . Arbitration for access to a channel |
| 463 | | . Details of circuit or interface for connecting user to the network |
| 464 | | COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS |
| 465 | | . Adaptive |
| 466 | | . . Converting between protocols |
| 467 | | . . . Conversion between signaling protocols |
| 468 | | . . Assignment of variable bandwidth or time period for transmission or reception |
| 469 | | . . Processing multiple layer protocols |
| 470 | | . . Frame length |
| 471 | | . . . Message having an address header |
| 472 | | . . Byte length |
| 473 | | . . Transmission of a single message having multiple packets |
| 474 | | . Assembly or disassembly of messages having address headers |
| 475 | | . Address transmitted |
| 476 | | . Byte assembly and formatting |
| 477 | | . Transmission bandwidth conservation |
| 478 | | . Combined time division and frequency division |
| 479 | | . Combining or distributing information via code word channels |
| 480 | | . Combining or distributing information via frequency channels |
| 481 | | . . Multiple frequency translations |
| 482 | | . . Particular carrier generation |
| 483 | | . . Using angle modulation |
| 484 | | . . Digital analysis or synthesis of a group |
| 485 | | . . Subscriber carrier |
| 486 | | . . . Program distribution |
| 487 | | . . . . Combined communication of diverse information types |
| 488 | | . . . Connecting filters |
| 489 | | . . Bus (distributed stations) |
| 490 | | . . . Combined communication of diverse information types |
| 491 | | . . Pilot |
| 492 | | . . Repeater |
| 493 | | . . Combined voice and data transmission |
| 494 | | . . . Data over voice |
| 495 | | . . . Data under voice |
| 496 | | . . Signaling |
| 497 | | . . Using particular filtering technique |
| 498 | | . Combining or distributing information via time channels |
| 499 | | . . Polarity multiplex |
| 500 | | . . Pilot |
| 501 | | . . Repeater |
| 502 | | . . . Bus extenders |
| 503 | | . . Synchronizing |
| 504 | | . . . Reference indication consists of a gap |
| 505 | | . . . Pulse stuffing or deletion |
| 506 | | . . . . Frame or bit stream justification |
| 507 | | . . . Mutual (reciprocal) synchronization |
| 508 | | . . . . Transmission time into time slots adjusted based upon propagation delay time |
| 509 | | . . . Using synchronization information contained in a frame |
| 510 | | . . . . Synchronization information is distributed over multiple frames |
| 511 | | . . . . . Using redundant synchronization words |
| 512 | | . . . . Synchronization information is distributed within a frame |
| 513 | | . . . . . Plural synchronization words |
| 514 | | . . . . Unique synchronization word or unique bit sequence |
| 515 | | . . . . . Pseudo-random |
| 516 | | . . . Adjusting for phase or jitter |
| 517 | | . . . . Including delay device |
| 518 | | . . . . . Provide plural phases of a clocking signal |
| 519 | | . . . . . Delay based upon propagation delay time |
| 520 | | . . . Unique synchronization pulse |
| 521 | | . . Time compression or expansion |
| 522 | | . . Signaling (ancillary to main information) |
| 523 | | . . . Using bit robbing |
| 524 | | . . . Using a dedicated signaling channel (i.e., D-channel) |
| 525 | | . . . Digital tone signal generation |
| 526 | | . . . Digital tone detection |
| 527 | | . . . Superimposed or modulated on principal information |
| 528 | | . . . Inserted in gaps in main information |
| 529 | | . . Information superimposed on other information |
| 530 | | . . Staircase wave |
| 531 | | . . Magnetic core for switching or storage |
| 532 | | . . Multiplexer or distributor and technique for handling low level input signal |
| 533 | | . . Multiplexer or distributor using pulse amplitude modulation |
| 534 | | . . Multiplexer or distributor using electron beam switching device |
| 535 | | . . Multiplexing combined with demultiplexing |
| 536 | | . . Demultiplexing single signal into plural parallel channels (e.g., parallel transmission for increasing transmission speed) |
| 537 | | . . Multiplexing plural input channels to a common output channel |
| 538 | | . . . Plural input channels of different rates to a single common rate output channel |
| 539 | | . . . . Multiple levels of multiplexing to form a multiplex hierarchy |
| 540 | | . . . Plural input channels of same rate to a single common rate output channel |
| 541 | | . . . . Multiple levels of multiplexing to form a multiplex hierarchy |
| 542 | | . . Demultiplexing single input channel to plural output channels |
| 543 | | . . . Different rate output channels |
| 544 | | . . . Same rate output channels |
| 545 | | . . Conversion of rate from a single input to a single output |
| 546 | | MISCELLANEOUS |
| | | ********************************* |
| | | CROSS-REFERENCE ART COLLECTIONS |
| | | ********************************* |
| 901 | | WIDE AREA NETWORK |
| 902 | | . Packet switching |
| 903 | | . . OSI Compliant Network |
| 904 | | . . . Integrated Services Digital Network (ISDN) |
| 905 | | . . . Asynchronous Transfer Mode (ATM) |
| 906 | | . . . Fiber Data Distribution Interface (FDDI) |
| 907 | | . . . Synchronous Optical network (SONET) |
| 908 | | LOCAL AREA NETWORK |
| 909 | | . Token ring |
| 910 | | . Carrier sense multiple access (e.g., Ethernet, 10Base-T) |
| 911 | | . Bridge (e.g., brouter, bus extender, etc.) |
| 912 | | PACKET COMMUNICATIONS |
| 913 | | . Wireless or radio |
| 914 | | RATE CONVERTER |
| 915 | | TIME DIVISION CELLULAR RADIO SYSTEMS |
| 916 | | MULTIPLEXER/DEMULTIPLEXER |
| | | ****************************** |
| | | FOREIGN ART COLLECTIONS |
| | | ****************************** |
| | | Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. |
| FOR 100 | | SIMULTANEOUS TELEGRAPHY AND TELEPHONY (370/125) |
| FOR 101 | | MULTIPLEX SWITCHING (370/53) |
| FOR 102 | | . Pathfinding (370/54) |
| FOR 103 | | . Drop channel (370/55) |
| FOR 104 | | . Concentrators (370/56) |
| FOR 105 | | . FDM switching (frequency division multiplexing) (370/57) |
| FOR 106 | | . TDM switching (time division multiplexing) (370/58.1) |
| FOR 107 | | . . Control processing (370/58.2) |
| FOR 108 | | . . . Distributed (370/58.3) |
| FOR 109 | | . . T-S (Time-Space) or S-T (370/59) |
| FOR 110 | | . . Packet or addressed data (370/60) |
| FOR 111 | | . . . Combined with circuit-switching (370/60.1) |
| FOR 112 | | . . Store and forward (370/61) |
| FOR 113 | | . . Special services with switching (e.g., conference) (370/62) |
| FOR 114 | | . . TST (Time-Space-Time) (370/63) |
| FOR 115 | | . . STS (Space-Time-Space) (370/64) |
| FOR 116 | | . . Folded network (370/65) |
| FOR 117 | | . . Space stage, per se (370/65.5) |
| FOR 118 | | . . Time only (370/66) |
| FOR 119 | | . . . Bus switch (370/67) |
| FOR 120 | | . . Time slot interchangers, per se (370/68) |
| FOR 121 | | . . With signalling feature (370/68.1) |
| FOR 122 | | FREQUENCY DIVISION (370/69.1) |
| FOR 123 | | . Multiple frequency translations (370/120) |
| FOR 124 | | . Carrier generation (370/121) |
| FOR 125 | | . Angle modulation (370/122) |
| FOR 126 | | . Filtering techniques (370/123) |
| FOR 127 | | . Digital analysis or synthesis of group (370/70) |
| FOR 128 | | . Subscriber carrier (370/71) |
| FOR 129 | | . . Connecting filters (370/72) |
| FOR 130 | | . . Program distribution (370/73) |
| FOR 131 | | . Bus (distributed stations) (370/124) |
| FOR 132 | | . Pilot (370/74) |
| FOR 133 | | . Repeaters (370/75) |
| FOR 134 | | . Signalling (370/76) |
| FOR 135 | | TIME DIVISION (370/77) |
| FOR 136 | | . Polarity multiplex (370/78) |
| FOR 137 | | . Adaptive systems (370/79) |
| FOR 138 | | . . Only active channels transmitted (370/80) |
| FOR 139 | | . . . TASI (Time assigned speech interpolation) (370/81) |
| FOR 140 | | . . Frame length (370/82) |
| FOR 141 | | . . Byte length (370/83) |
| FOR 142 | | . . Rate (370/84) |
| FOR 143 | | . Bus transmission (370/85.1) |
| FOR 144 | | . . Contention (370/85.2) |
| FOR 145 | | . . . Carrier sense (370/85.3) |
| FOR 146 | | . . . Token passing (370/85.4) |
| FOR 147 | | . . . . Loop or ring (370/85.5) |
| FOR 148 | | . . Priority (370/85.6) |
| FOR 149 | | . . Variable channel assignment (370/85.7) |
| FOR 150 | | . . . Polling (370/85.8) |
| FOR 151 | | . . Plural bus (370/85.9) |
| FOR 152 | | . . . With separate control bus (370/85.11) |
| FOR 153 | | . . . Loop or ring (370/85.12) |
| FOR 154 | | . . . Bridge between bus systems (370/85.13) |
| FOR 155 | | . . . . Interconnection between ring or loop (370/85.14) |
| FOR 156 | | . . Loop or ring (370/85.15) |
| FOR 157 | | . Asynchronous and nonsynchronous (370/91) |
| FOR 158 | | . . Address transmitted (370/92) |
| FOR 159 | | . . . Multiple access, discrete address (370/93) |
| FOR 160 | | . . . Packet (370/94.1) |
| FOR 161 | | . . . . Combined with synchronous information (370/94.2) |
| FOR 162 | | . . . . Star, tree, or mesh networks (370/94.3) |
| FOR 163 | | . Variable channel assignment (370/95.1) |
| FOR 164 | | . . Polling (370/95.2) |
| FOR 165 | | . . Time division multiple access (370/95.3) |
| FOR 166 | | . TDM pulse repeater (370/97) |
| FOR 167 | | . Pilot (370/98) |
| FOR 168 | | . Byte assembly and formatting (370/99) |
| FOR 169 | | . Synchronizing (370/100.1) |
| FOR 170 | | . . Reference indication consists of a gap (370/101) |
| FOR 171 | | . . Pulse stuffing or deletion (370/102) |
| FOR 172 | | . . Mutual (reciprocal) synchronization (370/103) |
| FOR 173 | | . . Moving satelite (370/104.1) |
| FOR 174 | | . . Distributed (370/105) |
| FOR 175 | | . . Frame (370/105.1) |
| FOR 176 | | . . Channel (370/105.2) |
| FOR 177 | | . . Bit phase or jitter (370/105.3) |
| FOR 178 | | . . Unique synchronization word (370/105.4) |
| FOR 179 | | . . Unique sychronization pulse (370/105.5) |
| FOR 180 | | . . Plural sychronizing words (370/106) |
| FOR 181 | | . . Pseudo-random (370/107) |
| FOR 182 | | . . Including delay device (370/108) |
| FOR 183 | | . Time compression or expansion (370/109) |
| FOR 184 | | . Signalling (ancilliary to main information) (370/110.1) |
| FOR 185 | | . . Digital tone signal generation (370/110.2) |
| FOR 186 | | . . Digital tone detection (370/110.3) |
| FOR 187 | | . . Superimposed or modulated on principal information (370/110.4) |
| FOR 188 | | . . Inserted in gaps in main information (370/111) |
| FOR 189 | | . Multiplexers/distributors (hierarchy and level) (370/112) |
| FOR 190 | | . . Apparatus and techniques for handling low level input signals (370/113) |
| FOR 191 | | . . Pulse amplitude modulation (370/114) |
| FOR 192 | | . . Electron beam switching device (370/115) |
| FOR 193 | | . Staircase wave (370/116) |
| FOR 194 | | . Magnetic core for switching or storage (370/117) |
| FOR 195 | | TRANSMISSION BANDWIDTH CONSERVATION (370/118) |
| FOR 196 | | MISCELLANEOUS (370/119) |
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