GB1197026A - Improvements in or relating to Telephone Systems - Google Patents

Improvements in or relating to Telephone Systems

Info

Publication number
GB1197026A
GB1197026A GB43558/68A GB4355868A GB1197026A GB 1197026 A GB1197026 A GB 1197026A GB 43558/68 A GB43558/68 A GB 43558/68A GB 4355868 A GB4355868 A GB 4355868A GB 1197026 A GB1197026 A GB 1197026A
Authority
GB
United Kingdom
Prior art keywords
code
pulse
exchange
substation
line
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
GB43558/68A
Other languages
English (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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1197026A publication Critical patent/GB1197026A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
GB43558/68A 1967-09-14 1968-09-13 Improvements in or relating to Telephone Systems Expired GB1197026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1537824 1967-09-14

Publications (1)

Publication Number Publication Date
GB1197026A true GB1197026A (en) 1970-07-01

Family

ID=5675953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43558/68A Expired GB1197026A (en) 1967-09-14 1968-09-13 Improvements in or relating to Telephone Systems

Country Status (9)

Country Link
AT (1) AT290637B (fr)
BE (1) BE720850A (fr)
BG (1) BG15228A3 (fr)
CH (1) CH473523A (fr)
DE (1) DE1297163C2 (fr)
FR (1) FR1579833A (fr)
GB (1) GB1197026A (fr)
NL (1) NL6812528A (fr)
SE (1) SE337609B (fr)

Also Published As

Publication number Publication date
DE1297163B (de) 1969-06-12
FR1579833A (fr) 1969-08-29
DE1297163C2 (de) 1977-04-14
AT290637B (de) 1971-06-11
BG15228A3 (bg) 1976-06-10
SE337609B (fr) 1971-08-16
NL6812528A (fr) 1969-03-18
CH473523A (de) 1969-05-31
BE720850A (fr) 1969-03-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees