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Class Information
Number: 370/169
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 334
370/202 Amplitude compression or expansion 68
370/203 Generalized orthogonal or special mathematical techniques 1,115
370/212 Pulse width (pulse duration) modulation 138
370/213 Pulse position modulation 81
370/214 Simultaneous telegraphy and telephony 21
370/215 Phase modulation 91
370/216 Fault recovery 1,622
370/229 Data flow congestion prevention or control 2,479
370/241 Diagnostic testing (other than synchronization) 1,691
370/254 Network configuration determination 3,394
370/259 Special services 513
370/272 Sextuplex 40
370/273 Quadruplex 34
370/276 Duplex 405
370/297 Diplex 100
370/298 Low speed asynchronous data system (e.g., teletypewriter service) 26
370/307 Trasmultiplexers 79
370/308 Resonant transfer techniques 15
370/309 Resonant transfer substitutes 2
370/310 Communication over free space 2,112
370/351 Pathfinding or routing 2,388
370/431 Channel assignment techniques 953
370/464 Communication techniques for information carried in plural channels 651
370/546 Miscellaneous 64
370/901 Wide area network 34
370/908 Local area network 74
370/912 Packet communications 93
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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