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  • H04L12/00
    		•  Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F 13/00) [5] HB CC 5K030
  • H04L12/02
    		•  .Details [5] HB CC 5K030
  • H04L12/04
    		•  ..Switchboards [5] HB CC 5K030
  • H04L12/06
    		•  ..Answer-back mechanisms or circuits [5] HB CC 5K030
  • H04L12/08
    		•  ..Allotting numbers to messages; Counting characters, words or messages [5] HB CC 5K030
  • H04L12/10
    		•  ..Current supply arrangements [5] HB CC 5K030
  • H04L12/12
    		•  ..Arrangements for remote connection or disconnection of substations or of equipment thereof [5] HB CC 5K030
  • H04L12/14
    		•  ..Charging arrangements [2024.01] HB CC 5K030
  • H04L12/16
    		•  ..Arrangements for providing special services to substations [5] HB CC 5K030
  • H04L12/18
    		•  ...for broadcast or conference [5] HB CC 5K030
  • H04L12/20
    		•  ...for converting transmission speed from the inherent speed of a substation to the inherent speed of other substations [5] HB CC 5K030
  • H04L12/22
    		•  ..Arrangements for preventing the taking of data from a data transmission channel without authorisation (means for verifying the identity or the authority of a user of a secure or secret communication system H04L 9/32) [2006.01] HB CC 5K030
  • H04L12/28
    		•  .characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W) [5,6] HB CC 5K033
  • H04L12/28,100
    		•  ..Newwork occupancy control for specified application (common to every forms of network) HB CC 5K033
  • H04L12/28,100@A
    		•  Onboard (ships, railways, airplanes) network HB CC 5K033
  • H04L12/28,100@C
    		•  Computer system HB CC 5K033
  • H04L12/28,100@F
    		•  Industrial (plant production line control) network HB CC 5K033
  • H04L12/28,100@S
    		•  Business (in commercial, office, medical or educational facility) network HB CC 5K033
  • H04L12/28,100@Z
    		•  Others HB CC 5K033
  • H04L12/28,200
    		•  ..Local area networks with no characteristic in shape (H04L12/28,400-H04L12/46 take precedence) HB CC 5K033
  • H04L12/28,200@B
    		•  Band allocation, resource allocation HB CC 5K033
  • H04L12/28,200@D
    		•  Priority control, congestion control (for contention control, H04L12/28,203-H04L12/28,207 take precedence) HB CC 5K033
  • H04L12/28,200@Z
    		•  Others HB CC 5K033
  • H04L12/28,203
    		•  ...Centralized control HB CC 5K033
  • H04L12/28,207
    		•  ...Distributed control HB CC 5K033
  • H04L12/28,400
    		•  ..Network in which master station and slave stations are connected in series HB CC 5K033
  • H04L12/28,500
    		•  ..Controlling communication and cooperative operation among household appliances interconnected in a household appliance network HB CC 5K089
  • H04L12/28,500@A
    		•  Recognizing the status of household appliances, collectiong and managing the information of household appliances HB CC 5K089
  • H04L12/28,500@C
    		•  Coordinated and cooperative operation among household appliances HB CC 5K089
  • H04L12/28,500@D
    		•  .Coordination and cooperation based on the information collected from other than household appliances HB CC 5K089
  • H04L12/28,500@E
    		•  .Coordination and cooperation based on user context HB CC 5K089
  • H04L12/28,500@F
    		•  Establishing the right of access and imposing an access restriction on the use of household appliances HB CC 5K089
  • H04L12/28,500@G
    		•  Collection and construction of information on the control screen HB CC 5K089
  • H04L12/28,500@Z
    		•  Others HB CC 5K089
  • H04L12/40
    		•  ..Bus networks [5,6] HB CC 5K032
  • H04L12/40@B
    		•  Band allocation, resource allocation HB CC 5K032
  • H04L12/40@D
    		•  Priority control, congestion control (for contention control, H04L12/403-H04L12/417 take precedence) HB CC 5K032
  • H04L12/40@Z
    		•  Others HB CC 5K032
  • H04L12/403
    		•  ...with centralised control, e.g. polling [6] HB CC 5K032
  • H04L12/407
    		•  ...with decentralised control [6] HB CC 5K032
  • H04L12/413
    		•  ....with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD] [2006.01] HB CC 5K032
  • H04L12/417
    		•  ....with deterministic access, e.g. token passing [6] HB CC 5K032
  • H04L12/42
    		•  ..Loop networks [5,6] HB CC 5K031
  • H04L12/42@B
    		•  Band allocation, resource allocation HB CC 5K031
  • H04L12/42@D
    		•  Priority control, congestion control (for contention control, H04L12/423-H04L12/433 take precedence) HB CC 5K031
  • H04L12/42@Z
    		•  Others HB CC 5K031
  • H04L12/423
    		•  ...with centralised control, e.g. polling [6] HB CC 5K031
  • H04L12/427
    		•  ...with decentralised control [6] HB CC 5K031
  • H04L12/43
    		•  ....with synchronous transmission, e.g. time division multiplex [TDM], slotted rings [2006.01] HB CC 5K031
  • H04L12/433
    		•  ....with asynchronous transmission, e.g. token ring, register insertion [6] HB CC 5K031
  • H04L12/437
    		•  ...Ring fault isolation or reconfiguration [6] HB CC 5K031
  • H04L12/437@B
    		•  By bypass, disconnection HB CC 5K031
  • H04L12/437@P
    		•  By bus changeover, UPSR HB CC 5K031
  • H04L12/437@R
    		•  By loopback, BLSR HB CC 5K031
  • H04L12/437@S
    		•  Recovery, switching-back, restoration after failure HB CC 5K031
  • H04L12/437@Z
    		•  Others HB CC 5K031
  • H04L12/44
    		•  ..Star or tree networks [5,6] HB CC 5K033
  • H04L12/44@B
    		•  Band allocation, resource allocation HB CC 5K033
  • H04L12/44@D
    		•  Priority control, congestion control (for contention control, H04L12/44,103-H04L12/44,107 take precedence) HB CC 5K033
  • H04L12/44@Z
    		•  Others HB CC 5K033
  • H04L12/44,103
    		•  ...Centralized control HB CC 5K033
  • H04L12/44,107
    		•  ...Distributed control HB CC 5K033
  • H04L12/44,200
    		•  ...by optical star coupler, e.g. PON, PDS, etc. HB CC 5K033
  • H04L12/44,300
    		•  ...by line concentrator, e.g. switching hubs, etc. HB CC 5K033
  • H04L12/46
    		•  ..Interconnection of networks [5,6] HB CC 5K033
  • H04L12/46@B
    		•  Band allocation and resource allocation between LANs HB CC 5K033
  • H04L12/46@D
    		•  Priority control and congestion control between LANs HB CC 5K033
  • H04L12/46@E
    		•  Communication control between LANs HB CC 5K033
  • H04L12/46@V
    		•  Virtual LAN LAN emulation HB CC 5K033
  • H04L12/46@Z
    		•  Others HB CC 5K033
  • H04L12/46,100
    		•  ...Configuration of inter-LAN repeater HB CC 5K033
  • H04L12/46,100@B
    		•  Repeater [1-layer], bridge [2-layer] HB CC 5K033
  • H04L12/46,100@C
    		•  Gateway [interconnection of LANs with different protocols] HB CC 5K033
  • H04L12/46,100@M
    		•  Interconnection by multi-layer [a multi-layer process] HB CC 5K033
  • H04L12/46,100@R
    		•  Router [3-layer, IP layer] HB CC 5K033
  • H04L12/46,100@Z
    		•  Others HB CC 5K033
  • H04L12/46,200
    		•  ...having structure for interconnecting LANs [LAN segments] [common to different network shapes] HB CC 5K033
  • H04L12/46,200@L
    		•  Connected by high-speed backbone LAN [path ring] (H04L12/40, H04L12/42 take precedence) HB CC 5K033
  • H04L12/46,200@S
    		•  Connected by switches or line concentrators (H04L12/44, H04L12/46@V take precedence) HB CC 5K033
  • H04L12/46,200@X
    		•  Connected by non-characterized network HB CC 5K033
  • H04L12/46,200@Z
    		•  Others HB CC 5K033
  • H04L12/50
    		•  .Circuit switching systems, i.e. systems in which the path is physically permanent during the communication [5,6] HB CC 5K030
  • H04L12/52
    		•  ..using time division techniques (in digital transmission systems H04L 5/22) [5,6] HB CC 5K030
  • H04L12/54
    		•  .Store-and-forward switching systems (packet switching systems H04L 45/00, H04L 47/00) [5, 6, 2006.01, 2013.01, 2022.01] HB CC 5K030
  • H04L12/64
    		•  .Hybrid switching systems [5,6] HB CC 5K030
  • H04L12/66
    		•  .Arrangements for connecting between networks having differing types of switching systems, e.g. gateways [5,6] HB CC 5K030
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