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Class Information
Number: 370/149
Name: Multiplex communications >

Sub-classes under this class:

Class Number Class Name Patents
370/ Pathfinding or routing 0
370/200 Phantom 67
370/201 Crosstalk suppression 325
370/202 Amplitude compression or expansion 68
370/203 Generalized orthogonal or special mathematical techniques 1,079
370/212 Pulse width (pulse duration) modulation 137
370/213 Pulse position modulation 79
370/214 Simultaneous telegraphy and telephony 21
370/215 Phase modulation 90
370/216 Fault recovery 1,565
370/229 Data flow congestion prevention or control 2,406
370/241 Diagnostic testing (other than synchronization) 1,627
370/254 Network configuration determination 3,292
370/259 Special services 499
370/272 Sextuplex 38
370/273 Quadruplex 32
370/276 Duplex 397
370/297 Diplex 94
370/298 Low speed asynchronous data system (e.g., teletypewriter service) 25
370/307 Trasmultiplexers 79
370/308 Resonant transfer techniques 15
370/309 Resonant transfer substitutes 2
370/310 Communication over free space 2,023
370/351 Pathfinding or routing 2,324
370/431 Channel assignment techniques 915
370/464 Communication techniques for information carried in plural channels 619
370/546 Miscellaneous 63
370/901 Wide area network 34
370/908 Local area network 74
370/912 Packet communications 88
370/914 Rate converter 37
370/915 Time division cellular radio systems 9
370/916 Multiplexer/demultiplexer 32

Patents under this class:

Patent Number Title Of Patent Date Issued

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