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 Class   370MULTIPLEX COMMUNICATIONS
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  200           PHANTOM
  201           CROSSTALK SUPPRESSION
  202           AMPLITUDE COMPRESSION OR EXPANSION
  203           GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES
  204           . (1 indent ) Plural diverse modulation techniques
  205           .. (2 indent ) Pulse width and pulse position modulation
  206           . (1 indent ) Quadrature carriers
  207           .. (2 indent ) Having a signaling constellation
  208           . (1 indent ) Particular set of orthogonal functions
  209           .. (2 indent ) Walsh functions
  210           . (1 indent ) Fourier transform
  211           . (1 indent ) Level multiplex
  212           PULSE WIDTH (PULSE DURATION) MODULATION
  213           PULSE POSITION MODULATION
  214           SIMULTANEOUS TELEGRAPHY AND TELEPHONY
  215           PHASE MODULATION
  216           FAULT RECOVERY
  217           . (1 indent ) Bypass an inoperative switch or inoperative element of a switching system
  218           .. (2 indent ) Packet switching system or element
  219           ... (3 indent ) Standby switch
  220           .. (2 indent ) Standby switch
  221           . (1 indent ) Bypass an inoperative station
  222           .. (2 indent ) In a ring or loop network
  223           ... (3 indent ) Using a secondary ring or loop
  224           .... (4 indent ) Loopback of signals on the secondary ring or loop
  225           . (1 indent ) Bypass an inoperative channel
  226           .. (2 indent ) In a repeater system
  227           ... (3 indent ) Using a spare channel
  228           .. (2 indent ) Spare channel
  229           DATA FLOW CONGESTION PREVENTION OR CONTROL
  230           . (1 indent ) Control of data admission to the network
  230.1           .. (2 indent ) Traffic shaping
  231           .. (2 indent ) End-to-end flow control
  232           .. (2 indent ) Based on data flow rate measurement
  233           ... (3 indent ) Measurement of the peak data flow rate
  234           ... (3 indent ) Measurement of the average data flow rate
  235           . (1 indent ) Flow control of data transmission through a network
  235.1           .. (2 indent ) Using leaky bucket technique
  236           .. (2 indent ) Including signaling between network elements
  236.1           ... (3 indent ) Using RM (Resource Management) cells
  236.2           ... (3 indent ) Using OAM (Operation, Administration and Maintenance) cells
  237           .. (2 indent ) Congestion based rerouting
  238           .. (2 indent ) Least cost or minimum delay routing
  238.1           ... (3 indent ) ATM least cost routing
  239           . (1 indent ) Using antijabber circuit
  240           .. (2 indent ) In a star coupler
  241           DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION)
  241.1           . (1 indent ) Using OAM (Operation, Administration and Maintenance) cells
  242           . (1 indent ) Fault detection
  243           .. (2 indent ) Of a repeater system
  244           .. (2 indent ) Of a switching system
  245           .. (2 indent ) Of a local area network
  246           . (1 indent ) Of a repeater
  247           .. (2 indent ) Having a dedicated test line or channel
  248           . (1 indent ) Path check
  249           . (1 indent ) Loopback
  250           . (1 indent ) Of a switching system
  251           .. (2 indent ) Having dedicated test line or channel
  252           . (1 indent ) Determination of communication parameters
  253           .. (2 indent ) Measurement of flow rate of messages having an address header
  254           NETWORK CONFIGURATION DETERMINATION
  255           . (1 indent ) Using a particular learning algorithm or technique
  256           .. (2 indent ) Spanning tree
  257           . (1 indent ) In a bus system
  258           .. (2 indent ) In a ring system
  259           SPECIAL SERVICES
  260           . (1 indent ) Conferencing
  261           .. (2 indent ) Technique for setting up a conference call
  262           ... (3 indent ) Operator setup of the conference
  263           .. (2 indent ) Conferee signals combined or distributed via time channels
  264           ... (3 indent ) Using plural diverse channel communications with a dedicated signaling channel (i.e., ISDN)
  265           ... (3 indent ) Particular technique for combining diverse information types
  266           ... (3 indent ) Using summation of conferee signals
  267           .... (4 indent ) Digital summation
  268           .... (5 indent ) Including cancellation of certain signals
  269           .... (4 indent ) Including cancellation of certain signals
  270           . (1 indent ) Distribution of signal to multiple agent stations
  271           . (1 indent ) Special feature of multiplex telephone terminal
  272           SEXTUPLEX
  273           QUADRUPLEX
  274           . (1 indent ) Repeater
  275           . (1 indent ) Duplex diplex
  276           DUPLEX
  277           . (1 indent ) Communication over free space
  278           .. (2 indent ) Transmit/receive interaction control
  279           .. (2 indent ) Duplex repeaters
  280           .. (2 indent ) Time division
  281           .. (2 indent ) Frequency division
  282           . (1 indent ) Transmit/receive interaction control
  283           .. (2 indent ) Artificial line
  284           .. (2 indent ) Differential
  285           .. (2 indent ) Bridge
  286           .. (2 indent ) Echo suppression or cancellation
  287           ... (3 indent ) Disabling or inhibiting
  288           ... (3 indent ) Using an attenuator
  289           ... (3 indent ) Having residual echo cancellation or suppression
  290           ... (3 indent ) Using a particular adaptive filter
  291           .... (4 indent ) Using a transversal filter
  292           ... (3 indent ) Using a training sequence
  293           . (1 indent ) Duplex repeaters or extenders
  294           . (1 indent ) Time division
  295           . (1 indent ) Frequency division
  296           . (1 indent ) Convertible to half duplex
  297           DIPLEX
  298           LOW SPEED ASYNCHRONOUS DATA SYSTEM (E.G., TELETYPEWRITER SERVICE)
  299           . (1 indent ) Data switching exchange
  300           . (1 indent ) Data assembly or formatting
  301           . (1 indent ) Transmitting time of transition and logic state
  302           . (1 indent ) Channels separated in frequency
  303           . (1 indent ) Rotary distributor
  304           .. (2 indent ) Synchronizer
  305           ... (3 indent ) Start-Stop
  306           .... (4 indent ) Nonmechanical
  307           TRASMULTIPLEXERS
  308           RESONANT TRANSFER TECHNIQUES
  309           RESONANT TRANSFER SUBSTITUTES
  310           COMMUNICATION OVER FREE SPACE
  310.1           . (1 indent ) Using ATM as a wireles protocol
  310.2           .. (2 indent ) Having a plurality of contiguous regions served by respective fixed stations
  311           . (1 indent ) Signaling for performing battery saving
  312           . (1 indent ) Message addressed to multiple destinations
  313           . (1 indent ) Portable address responsive receiver
  314           .. (2 indent ) Using time division multiplexing
  315           . (1 indent ) Repeater
  316           .. (2 indent ) Airborne or space satellite repeater
  317           ... (3 indent ) Including noise compensation
  318           .... (4 indent ) Including power control
  319           ... (3 indent ) Multiple access (e.g., FDMA)
  320           .... (4 indent ) Code division (CDMA)
  321           .... (4 indent ) Time division (TDMA)
  322           .... (5 indent ) Channel reservation scheme
  323           .... (5 indent ) Including onboard switching
  324           .... (5 indent ) Synchronization
  325           .... (4 indent ) Including onboard switching
  326           ... (3 indent ) Combining or distributing information via time channels
  327           .. (2 indent ) In a trunking system
  328           . (1 indent ) Having a plurality of contiguous regions served by respective fixed stations
  329           .. (2 indent ) Channel assignment
  330           ... (3 indent ) Having both time and frequency assignment
  331           ... (3 indent ) Hand-off control
  332           .... (4 indent ) Based upon a particular signal quality measurement
  333           .... (5 indent ) Signal quality determined by bit error rate
  334           .... (5 indent ) Using multiple antennas at a station
  335           ... (3 indent ) Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
  336           ... (3 indent ) Combining or distributing information via time channels
  337           .... (4 indent ) Multiple access (e.g., TDMA)
  338           .. (2 indent ) Contiguous regions interconnected by a local area network
  339           . (1 indent ) Plural usage of common antenna
  340           . (1 indent ) Using trunking
  341           .. (2 indent ) Channel assignment
  342           . (1 indent ) Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
  343           . (1 indent ) Combining or distributing information via frequency channels
  344           .. (2 indent ) Multiple access (e.g., FDMA)
  345           . (1 indent ) Combining or distributing information via time channels
  346           .. (2 indent ) Polling
  347           .. (2 indent ) Multiple access (e.g., TDMA)
  348           ... (3 indent ) Channel reservation scheme
  349           .. (2 indent ) Using messages having an address field as header
  350           .. (2 indent ) Synchronization
  351           PATHFINDING OR ROUTING
  352           . (1 indent ) Combined circuit switching and packet switching
  353           .. (2 indent ) Switching network having common elements to handle both circuit switched traffic and packet switched traffic
  354           .. (2 indent ) Switching network having separate elements to handle circuit switched traffic and packet switched traffic
  355           .. (2 indent ) Routing packets through a circuit switching network
  356           .. (2 indent ) Routing circuit switched traffic through a packet switching network
  357           . (1 indent ) Through a circuit switch
  358           .. (2 indent ) Switching input signals having different aggregate bit rates
  359           .. (2 indent ) Input or output circuit, per se (i.e., line interface)
  360           .. (2 indent ) Switching control
  361           ... (3 indent ) Folded network
  362           ... (3 indent ) Bus switch
  363           .... (4 indent ) Having details of control storage arrangement
  364           .... (4 indent ) Having plural buses
  365           .... (5 indent ) Separate transmit and receive buses
  366           ... (3 indent ) Including serial-parallel or parallel-serial conversion for input or output
  367           .... (4 indent ) For distribution to a multiplanar switching network
  368           .... (4 indent ) Having details of control storage arrangement
  369           ... (3 indent ) Having time and space switches
  370           .... (4 indent ) Having space switch as intermediate stage (e.g., T-S-T, T-S-S, or S-S-T)
  371           .... (5 indent ) Having details of control storage arrangement
  372           .... (4 indent ) Having time switch as intermediate stage (e.g., S-T-S or T-T-S)
  373           .... (4 indent ) Having supervisory signaling
  374           .... (4 indent ) Having details of control storage arrangement
  375           ... (3 indent ) Time switch, per se (e.g., T or T-T)
  376           .... (4 indent ) Time slot interchange, per se
  377           .... (4 indent ) Having supervisory signaling
  378           .... (4 indent ) Having details of control storage arrangement
  379           .... (5 indent ) Data memory addressing
  380           ... (3 indent ) Space switch, per se (e.g., S or S-S)
  381           ... (3 indent ) Having details of control storage arrangement
  382           .... (4 indent ) Data memory addressing
  383           .... (4 indent ) Control storage addressing
  384           ... (3 indent ) Having a supervisory signaling feature
  385           .... (4 indent ) Having a separate signaling network
  386           .. (2 indent ) Particular switching network arrangement
  387           ... (3 indent ) Multiplanar switch
  388           ... (3 indent ) Multistage switch
  389           . (1 indent ) Switching a message which includes an address header
  390           .. (2 indent ) Replicate messages for multiple destination distribution
  391           .. (2 indent ) Switching input signals having different aggregate bit rates
  392           .. (2 indent ) Processing of address header for routing, per se
  393           ... (3 indent ) Address concatenation
  394           .. (2 indent ) Sequencing or resequencing of packets to insure proper output sequence order
  395.1           .. (2 indent ) Message transmitted using fixed length packets (e.g., ATM cells)
  396           ... (3 indent ) Distributed switching
  397           .... (4 indent ) Employing logical addressing for routing (e.g., VP or VC)
  398           ... (3 indent ) Centralized switching
  399           .... (4 indent ) Employing logical addressing for routing (e.g., VP or VC)
  395.2           ... (3 indent ) Connection set-up/disconnect (e.g., Connection Admission Control)
  395.21           .... (4 indent ) Based on traffic contract (including using setup messages, QoS, delay/bandwidth requirement)
  395.3           ... (3 indent ) Connection identifier assignment
  395.31           .... (4 indent ) Including routing table
  395.32           .... (5 indent ) Employing particular searching function (e.g., hashing, alternate, re-routing)
  395.4           ... (3 indent ) Assigning period of time for information to be transmitted (e.g., scheduling)
  395.41           .... (4 indent ) Based on bandwidth allocation (e.g., Weighted Round Robin)
  395.42           .... (4 indent ) Based on priority
  395.43           .... (5 indent ) Based on service category (e.g., CBR, VBR, UBR, or ABR)
  395.5           ... (3 indent ) Multiprotocol network
  395.51           .... (4 indent ) Utilizing a plurality of ATM networks (e.g., MPOA, SONET, or SDH)
  395.52           .... (4 indent ) Internet Protocol (including TCP/IP or UDP/IP) over fixed length packet network (e.g., IP over ATM)
  395.53           .... (4 indent ) Emulated LAN (LANE/ELAN/VLAN, e.g., Ethernet or token ring legacy LAN over a single ATM network/LAN)
  395.54           .... (4 indent ) Address resolution (e.g., ARP, or NHRP)
  395.6           ... (3 indent ) Adapting detail (e.g., converting to/from ATM, or detail of ATM Adaption Layers (AALs))
  395.61           .... (4 indent ) Adapting constant bit rate (CBR) data (e.g., voice, or narrow band ISDN over ATM, or using AAL1)
  395.62           .... (5 indent ) Detail of clock recovery or synchronization
  395.63           .... (4 indent ) Adapting frame relay/X.25 data (e.g., using AAL 3/4)
  395.64           .... (4 indent ) Adapting connection-oriented variable bit rate (VBR) data (e.g., MPEG/HDTV packet video/audio over ATM or using AAL2)
  395.65           .... (4 indent ) Adapting connectionless variable bit rate (VBR) data (e.g., adapting 802.X, or using AAL5)
  395.7           ... (3 indent ) Having detail of switch memory reading/writing
  395.71           .... (4 indent ) Having input or output storage or both
  395.72           .... (4 indent ) Having central (e.g., common) storage
  400           .. (2 indent ) Having a plurality of nodes performing distributed switching
  401           ... (3 indent ) Bridge or gateway between networks
  402           .... (4 indent ) Bridge between bus systems
  403           .... (5 indent ) At least one bus is a ring network
  404           ..... (6 indent ) Ring or loop forms backbone for interconnecting other networks
  405           ...... (7 indent ) The other networks are ring or loop networks
  406           ... (3 indent ) Plurality of rings or loops to form a mesh network
  407           ... (3 indent ) Interconnected star couplers
  408           ... (3 indent ) Nodes interconnected in hierarchy to form a tree
  409           ... (3 indent ) Employing logical addressing for routing (e.g., VP or VC)
  410           ... (3 indent ) Having a signaling feature
  411           .. (2 indent ) Including sorting and merging networks
  412           .. (2 indent ) Queuing arrangement
  413           ... (3 indent ) Having both input and output queuing
  414           .... (4 indent ) Contention resolution for output
  415           ... (3 indent ) Having input queuing only
  416           .... (4 indent ) Contention resolution for output
  417           ... (3 indent ) Having output queuing only
  418           .... (4 indent ) Contention resolution for output
  419           .. (2 indent ) Input or output circuit, per se (i.e., line interface)
  420           ... (3 indent ) For connecting plural subscribers to a network (i.e., network termination)
  421           .... (4 indent ) Subscribers connected to input or output circuit by a common bus
  422           .. (2 indent ) Centralized switching
  423           ... (3 indent ) Including a bus for interconnecting inputs and outputs
  424           .... (4 indent ) Including a ring or loop for interconnecting inputs and outputs
  425           ... (3 indent ) Star configuration
  426           ... (3 indent ) Having a signaling feature
  427           .. (2 indent ) Space switching
  428           . (1 indent ) Store and forward
  429           .. (2 indent ) Particular storing and queuing arrangement
  430           . (1 indent ) FDM switching
  431           CHANNEL ASSIGNMENT TECHNIQUES
  432           . (1 indent ) Messages addressed to multiple destinations
  433           . (1 indent ) Only active channels transmitted
  434           .. (2 indent ) Concentrator
  435           ... (3 indent ) TASI (Time Assignment Speech Interpolation)
  436           . (1 indent ) Combined time and frequency assignment
  437           . (1 indent ) Adaptive selection of channel assignment technique
  438           . (1 indent ) Using a separate control line or bus for access control
  439           .. (2 indent ) Control line is used to request or reserve access
  440           ... (3 indent ) Dual bus dynamic queuing (i.e., DQDB)
  441           . (1 indent ) Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
  442           . (1 indent ) Combining or distributing information via time channels using multiple access technique (e.g., TDMA)
  443           .. (2 indent ) Using channel reservation
  444           ... (3 indent ) With priority resolution
  445           . (1 indent ) Carrier sense multiple access (CSMA)
  446           .. (2 indent ) Using a star coupler
  447           .. (2 indent ) Arbitration for access between contending stations
  448           ... (3 indent ) Using weighted back-off timing
  449           . (1 indent ) Polling
  450           .. (2 indent ) Passing a signal identifying the idle or busy state of a channel (e.g., token passing)
  451           ... (3 indent ) On bus
  452           .... (4 indent ) On ring or loop
  453           .... (5 indent ) Initialization or reinitialization of network
  454           .... (5 indent ) Having multiple idle or busy signals simultaneously on the network
  455           .... (5 indent ) Including priority resolution
  456           .... (5 indent ) Idle or busy signal erasure or frame erasure
  457           ... (3 indent ) Initialization or reinitialization of network
  458           . (1 indent ) Using time slots
  459           .. (2 indent ) Having indication of idle or busy state of time slot
  460           ... (3 indent ) On ring or loop network
  461           .. (2 indent ) Arbitration for access between contending stations
  462           . (1 indent ) Arbitration for access to a channel
  463           . (1 indent ) Details of circuit or interface for connecting user to the network
  464           COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS
  465           . (1 indent ) Adaptive
  466           .. (2 indent ) Converting between protocols
  467           ... (3 indent ) Conversion between signaling protocols
  468           .. (2 indent ) Assignment of variable bandwidth or time period for transmission or reception
  469           .. (2 indent ) Processing multiple layer protocols
  470           .. (2 indent ) Frame length
  471           ... (3 indent ) Message having an address header
  472           .. (2 indent ) Byte length
  473           .. (2 indent ) Transmission of a single message having multiple packets
  474           . (1 indent ) Assembly or disassembly of messages having address headers
  475           . (1 indent ) Address transmitted
  476           . (1 indent ) Byte assembly and formatting
  477           . (1 indent ) Transmission bandwidth conservation
  478           . (1 indent ) Combined time division and frequency division
  479           . (1 indent ) Combining or distributing information via code word channels
  480           . (1 indent ) Combining or distributing information via frequency channels
  481           .. (2 indent ) Multiple frequency translations
  482           .. (2 indent ) Particular carrier generation
  483           .. (2 indent ) Using angle modulation
  484           .. (2 indent ) Digital analysis or synthesis of a group
  485           .. (2 indent ) Subscriber carrier
  486           ... (3 indent ) Program distribution
  487           .... (4 indent ) Combined communication of diverse information types
  488           ... (3 indent ) Connecting filters
  489           .. (2 indent ) Bus (distributed stations)
  490           ... (3 indent ) Combined communication of diverse information types
  491           .. (2 indent ) Pilot
  492           .. (2 indent ) Repeater
  493           .. (2 indent ) Combined voice and data transmission
  494           ... (3 indent ) Data over voice
  495           ... (3 indent ) Data under voice
  496           .. (2 indent ) Signaling
  497           .. (2 indent ) Using particular filtering technique
  498           . (1 indent ) Combining or distributing information via time channels
  499           .. (2 indent ) Polarity multiplex
  500           .. (2 indent ) Pilot
  501           .. (2 indent ) Repeater
  502           ... (3 indent ) Bus extenders
  503           .. (2 indent ) Synchronizing
  504           ... (3 indent ) Reference indication consists of a gap
  505           ... (3 indent ) Pulse stuffing or deletion
  506           .... (4 indent ) Frame or bit stream justification
  507           ... (3 indent ) Mutual (reciprocal) synchronization
  508           .... (4 indent ) Transmission time into time slots adjusted based upon propagation delay time
  509           ... (3 indent ) Using synchronization information contained in a frame
  510           .... (4 indent ) Synchronization information is distributed over multiple frames
  511           .... (5 indent ) Using redundant synchronization words
  512           .... (4 indent ) Synchronization information is distributed within a frame
  513           .... (5 indent ) Plural synchronization words
  514           .... (4 indent ) Unique synchronization word or unique bit sequence
  515           .... (5 indent ) Pseudo-random
  516           ... (3 indent ) Adjusting for phase or jitter
  517           .... (4 indent ) Including delay device
  518           .... (5 indent ) Provide plural phases of a clocking signal
  519           .... (5 indent ) Delay based upon propagation delay time
  520           ... (3 indent ) Unique synchronization pulse
  521           .. (2 indent ) Time compression or expansion
  522           .. (2 indent ) Signaling (ancillary to main information)
  523           ... (3 indent ) Using bit robbing
  524           ... (3 indent ) Using a dedicated signaling channel (i.e., D-channel)
  525           ... (3 indent ) Digital tone signal generation
  526           ... (3 indent ) Digital tone detection
  527           ... (3 indent ) Superimposed or modulated on principal information
  528           ... (3 indent ) Inserted in gaps in main information
  529           .. (2 indent ) Information superimposed on other information
  530           .. (2 indent ) Staircase wave
  531           .. (2 indent ) Magnetic core for switching or storage
  532           .. (2 indent ) Multiplexer or distributor and technique for handling low level input signal
  533           .. (2 indent ) Multiplexer or distributor using pulse amplitude modulation
  534           .. (2 indent ) Multiplexer or distributor using electron beam switching device
  535           .. (2 indent ) Multiplexing combined with demultiplexing
  536           .. (2 indent ) Demultiplexing single signal into plural parallel channels (e.g., parallel transmission for increasing transmission speed)
  537           .. (2 indent ) Multiplexing plural input channels to a common output channel
  538           ... (3 indent ) Plural input channels of different rates to a single common rate output channel
  539           .... (4 indent ) Multiple levels of multiplexing to form a multiplex hierarchy
  540           ... (3 indent ) Plural input channels of same rate to a single common rate output channel
  541           .... (4 indent ) Multiple levels of multiplexing to form a multiplex hierarchy
  542           .. (2 indent ) Demultiplexing single input channel to plural output channels
  543           ... (3 indent ) Different rate output channels
  544           ... (3 indent ) Same rate output channels
  545           .. (2 indent ) Conversion of rate from a single input to a single output
  546           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  901           WIDE AREA NETWORK
  902           . (1 indent ) Packet switching
  903           .. (2 indent ) OSI Compliant Network
  904           ... (3 indent ) Integrated Services Digital Network (ISDN)
  905           ... (3 indent ) Asynchronous Transfer Mode (ATM)
  906           ... (3 indent ) Fiber Data Distribution Interface (FDDI)
  907           ... (3 indent ) Synchronous Optical network (SONET)
  908           LOCAL AREA NETWORK
  909           . (1 indent ) Token ring
  910           . (1 indent ) Carrier sense multiple access (e.g., Ethernet, 10Base-T)
  911           . (1 indent ) Bridge (e.g., brouter, bus extender, etc.)
  912           PACKET COMMUNICATIONS
  913           . (1 indent ) Wireless or radio
  914           RATE CONVERTER
  915           TIME DIVISION CELLULAR RADIO SYSTEMS
  916           MULTIPLEXER/DEMULTIPLEXER
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
 
  FOR100           SIMULTANEOUS TELEGRAPHY AND TELEPHONY (370/125)
  FOR101           MULTIPLEX SWITCHING (370/53)
  FOR102           . (1 indent ) Pathfinding (370/54)
  FOR103           . (1 indent ) Drop channel (370/55)
  FOR104           . (1 indent ) Concentrators (370/56)
  FOR105           . (1 indent ) FDM switching (frequency division multiplexing) (370/57)
  FOR106           . (1 indent ) TDM switching (time division multiplexing) (370/58.1)
  FOR107           .. (2 indent ) Control processing (370/58.2)
  FOR108           ... (3 indent ) Distributed (370/58.3)
  FOR109           .. (2 indent ) T-S (Time-Space) or S-T (370/59)
  FOR110           .. (2 indent ) Packet or addressed data (370/60)
  FOR111           ... (3 indent ) Combined with circuit-switching (370/60.1)
  FOR112           .. (2 indent ) Store and forward (370/61)
  FOR113           .. (2 indent ) Special services with switching (e.g., conference) (370/62)
  FOR114           .. (2 indent ) TST (Time-Space-Time) (370/63)
  FOR115           .. (2 indent ) STS (Space-Time-Space) (370/64)
  FOR116           .. (2 indent ) Folded network (370/65)
  FOR117           .. (2 indent ) Space stage, per se (370/65.5)
  FOR118           .. (2 indent ) Time only (370/66)
  FOR119           ... (3 indent ) Bus switch (370/67)
  FOR120           .. (2 indent ) Time slot interchangers, per se (370/68)
  FOR121           .. (2 indent ) With signalling feature (370/68.1)
  FOR122           FREQUENCY DIVISION (370/69.1)
  FOR123           . (1 indent ) Multiple frequency translations (370/120)
  FOR124           . (1 indent ) Carrier generation (370/121)
  FOR125           . (1 indent ) Angle modulation (370/122)
  FOR126           . (1 indent ) Filtering techniques (370/123)
  FOR127           . (1 indent ) Digital analysis or synthesis of group (370/70)
  FOR128           . (1 indent ) Subscriber carrier (370/71)
  FOR129           .. (2 indent ) Connecting filters (370/72)
  FOR130           .. (2 indent ) Program distribution (370/73)
  FOR131           . (1 indent ) Bus (distributed stations) (370/124)
  FOR132           . (1 indent ) Pilot (370/74)
  FOR133           . (1 indent ) Repeaters (370/75)
  FOR134           . (1 indent ) Signalling (370/76)
  FOR135           TIME DIVISION (370/77)
  FOR136           . (1 indent ) Polarity multiplex (370/78)
  FOR137           . (1 indent ) Adaptive systems (370/79)
  FOR138           .. (2 indent ) Only active channels transmitted (370/80)
  FOR139           ... (3 indent ) TASI (Time assigned speech interpolation) (370/81)
  FOR140           .. (2 indent ) Frame length (370/82)
  FOR141           .. (2 indent ) Byte length (370/83)
  FOR142           .. (2 indent ) Rate (370/84)
  FOR143           . (1 indent ) Bus transmission (370/85.1)
  FOR144           .. (2 indent ) Contention (370/85.2)
  FOR145           ... (3 indent ) Carrier sense (370/85.3)
  FOR146           ... (3 indent ) Token passing (370/85.4)
  FOR147           .... (4 indent ) Loop or ring (370/85.5)
  FOR148           .. (2 indent ) Priority (370/85.6)
  FOR149           .. (2 indent ) Variable channel assignment (370/85.7)
  FOR150           ... (3 indent ) Polling (370/85.8)
  FOR151           .. (2 indent ) Plural bus (370/85.9)
  FOR152           ... (3 indent ) With separate control bus (370/85.11)
  FOR153           ... (3 indent ) Loop or ring (370/85.12)
  FOR154           ... (3 indent ) Bridge between bus systems (370/85.13)
  FOR155           .... (4 indent ) Interconnection between ring or loop (370/85.14)
  FOR156           .. (2 indent ) Loop or ring (370/85.15)
  FOR157           . (1 indent ) Asynchronous and nonsynchronous (370/91)
  FOR158           .. (2 indent ) Address transmitted (370/92)
  FOR159           ... (3 indent ) Multiple access, discrete address (370/93)
  FOR160           ... (3 indent ) Packet (370/94.1)
  FOR161           .... (4 indent ) Combined with synchronous information (370/94.2)
  FOR162           .... (4 indent ) Star, tree, or mesh networks (370/94.3)
  FOR163           . (1 indent ) Variable channel assignment (370/95.1)
  FOR164           .. (2 indent ) Polling (370/95.2)
  FOR165           .. (2 indent ) Time division multiple access (370/95.3)
  FOR166           . (1 indent ) TDM pulse repeater (370/97)
  FOR167           . (1 indent ) Pilot (370/98)
  FOR168           . (1 indent ) Byte assembly and formatting (370/99)
  FOR169           . (1 indent ) Synchronizing (370/100.1)
  FOR170           .. (2 indent ) Reference indication consists of a gap (370/101)
  FOR171           .. (2 indent ) Pulse stuffing or deletion (370/102)
  FOR172           .. (2 indent ) Mutual (reciprocal) synchronization (370/103)
  FOR173           .. (2 indent ) Moving satelite (370/104.1)
  FOR174           .. (2 indent ) Distributed (370/105)
  FOR175           .. (2 indent ) Frame (370/105.1)
  FOR176           .. (2 indent ) Channel (370/105.2)
  FOR177           .. (2 indent ) Bit phase or jitter (370/105.3)
  FOR178           .. (2 indent ) Unique synchronization word (370/105.4)
  FOR179           .. (2 indent ) Unique sychronization pulse (370/105.5)
  FOR180           .. (2 indent ) Plural sychronizing words (370/106)
  FOR181           .. (2 indent ) Pseudo-random (370/107)
  FOR182           .. (2 indent ) Including delay device (370/108)
  FOR183           . (1 indent ) Time compression or expansion (370/109)
  FOR184           . (1 indent ) Signalling (ancilliary to main information) (370/110.1)
  FOR185           .. (2 indent ) Digital tone signal generation (370/110.2)
  FOR186           .. (2 indent ) Digital tone detection (370/110.3)
  FOR187           .. (2 indent ) Superimposed or modulated on principal information (370/110.4)
  FOR188           .. (2 indent ) Inserted in gaps in main information (370/111)
  FOR189           . (1 indent ) Multiplexers/distributors (hierarchy and level) (370/112)
  FOR190           .. (2 indent ) Apparatus and techniques for handling low level input signals (370/113)
  FOR191           .. (2 indent ) Pulse amplitude modulation (370/114)
  FOR192           .. (2 indent ) Electron beam switching device (370/115)
  FOR193           . (1 indent ) Staircase wave (370/116)
  FOR194           . (1 indent ) Magnetic core for switching or storage (370/117)
  FOR195           TRANSMISSION BANDWIDTH CONSERVATION (370/118)
  FOR196           MISCELLANEOUS (370/119)
             PATHFINDING OR ROUTING
             . (1 indent ) Switching a message which includes an address header
  FOR197           .. (2 indent ) Message transmitted using regularly occurring fixed length time intervals (e.g., ATM) (370/395)


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