GB1186643A - Improvements in or relating to Dial-Operated Data Exchange Systems - Google Patents

Improvements in or relating to Dial-Operated Data Exchange Systems

Info

Publication number
GB1186643A
GB1186643A GB2590468A GB2590468A GB1186643A GB 1186643 A GB1186643 A GB 1186643A GB 2590468 A GB2590468 A GB 2590468A GB 2590468 A GB2590468 A GB 2590468A GB 1186643 A GB1186643 A GB 1186643A
Authority
GB
United Kingdom
Prior art keywords
exchange
signal
signals
line
dialling
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
GB2590468A
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 GB1186643A publication Critical patent/GB1186643A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)
GB2590468A 1967-05-31 1968-05-30 Improvements in or relating to Dial-Operated Data Exchange Systems Expired GB1186643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0110102 1967-05-31

Publications (1)

Publication Number Publication Date
GB1186643A true GB1186643A (en) 1970-04-02

Family

ID=7529985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2590468A Expired GB1186643A (en) 1967-05-31 1968-05-30 Improvements in or relating to Dial-Operated Data Exchange Systems

Country Status (6)

Country Link
BE (1) BE715956A (xx)
CH (1) CH475683A (xx)
DE (1) DE1512949C3 (xx)
FR (1) FR1567629A (xx)
GB (1) GB1186643A (xx)
NL (1) NL6807185A (xx)

Also Published As

Publication number Publication date
DE1512949A1 (de) 1969-06-19
CH475683A (de) 1969-07-15
DE1512949C3 (de) 1974-02-07
FR1567629A (xx) 1969-05-16
BE715956A (xx) 1968-12-02
DE1512949B2 (de) 1973-07-12
NL6807185A (xx) 1968-12-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees