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Class Information
Number: 370/0.61
Name: Multiplex communications >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
370/	Pathfinding or routing	0
370/200	Phantom	43
370/201	Crosstalk suppression	171
370/202	Amplitude compression or expansion	50
370/203	Generalized orthogonal or special mathematical techniques	362
370/212	Pulse width (pulse duration) modulation	85
370/213	Pulse position modulation	55
370/214	Simultaneous telegraphy and telephony	6
370/215	Phase modulation	50
370/216	Fault recovery	642
370/229	Data flow congestion prevention or control	892
370/241	Diagnostic testing (other than synchronization)	552
370/254	Network configuration determination	946
370/259	Special services	202
370/272	Sextuplex	4
370/273	Quadruplex	4
370/276	Duplex	223
370/297	Diplex	44
370/298	Low speed asynchronous data system (e.g., teletypewriter service)	16
370/307	Trasmultiplexers	63
370/308	Resonant transfer techniques	8
370/309	Resonant transfer substitutes	0
370/310	Communication over free space	437
370/351	Pathfinding or routing	904
370/431	Channel assignment techniques	330
370/464	Communication techniques for information carried in plural channels	205
370/546	Miscellaneous	20
370/901	Wide area network	23
370/908	Local area network	52
370/912	Packet communications	66
370/914	Rate converter	34
370/915	Time division cellular radio systems	9
370/916	Multiplexer/demultiplexer	22