GB2058517B - Digital subscriber loop - Google Patents

Digital subscriber loop

Info

Publication number
GB2058517B
GB2058517B GB7928296A GB7928296A GB2058517B GB 2058517 B GB2058517 B GB 2058517B GB 7928296 A GB7928296 A GB 7928296A GB 7928296 A GB7928296 A GB 7928296A GB 2058517 B GB2058517 B GB 2058517B
Authority
GB
United Kingdom
Prior art keywords
digital subscriber
subscriber loop
loop
digital
subscriber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7928296A
Other versions
GB2058517A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7928296A priority Critical patent/GB2058517B/en
Priority to CH609680A priority patent/CH651714A5/en
Publication of GB2058517A publication Critical patent/GB2058517A/en
Application granted granted Critical
Publication of GB2058517B publication Critical patent/GB2058517B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0471—Terminal access circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/034—Codec; PCM compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/216—Code signals; Framing (not synchronizing)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/292—Time (de)multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Communication Control (AREA)
GB7928296A 1979-08-14 1979-08-14 Digital subscriber loop Expired GB2058517B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7928296A GB2058517B (en) 1979-08-14 1979-08-14 Digital subscriber loop
CH609680A CH651714A5 (en) 1979-08-14 1980-08-12 METHOD FOR TRANSMITTING MESSAGES IN A FULLY DIGITAL MESSAGE TRANSMISSION SYSTEM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7928296A GB2058517B (en) 1979-08-14 1979-08-14 Digital subscriber loop

Publications (2)

Publication Number Publication Date
GB2058517A GB2058517A (en) 1981-04-08
GB2058517B true GB2058517B (en) 1984-05-23

Family

ID=10507190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928296A Expired GB2058517B (en) 1979-08-14 1979-08-14 Digital subscriber loop

Country Status (2)

Country Link
CH (1) CH651714A5 (en)
GB (1) GB2058517B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460806A (en) * 1982-05-13 1984-07-17 At&T Bell Laboratories Dual tone multifrequency and dial pulse receiver

Also Published As

Publication number Publication date
CH651714A5 (en) 1985-09-30
GB2058517A (en) 1981-04-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee