GB471406A - Improvements in or relating to printing telegraph exchange systems - Google Patents

Improvements in or relating to printing telegraph exchange systems

Info

Publication number
GB471406A
GB471406A GB35298/36A GB3529836A GB471406A GB 471406 A GB471406 A GB 471406A GB 35298/36 A GB35298/36 A GB 35298/36A GB 3529836 A GB3529836 A GB 3529836A GB 471406 A GB471406 A GB 471406A
Authority
GB
United Kingdom
Prior art keywords
relays
connection
supervisory
breakdown
dec
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
GB35298/36A
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 and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB471406A publication Critical patent/GB471406A/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)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB35298/36A 1935-12-23 1936-12-23 Improvements in or relating to printing telegraph exchange systems Expired GB471406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE471406X 1935-12-23

Publications (1)

Publication Number Publication Date
GB471406A true GB471406A (en) 1937-09-03

Family

ID=6541265

Family Applications (2)

Application Number Title Priority Date Filing Date
GB35298/36A Expired GB471406A (en) 1935-12-23 1936-12-23 Improvements in or relating to printing telegraph exchange systems
GB11124/37A Expired GB485327A (en) 1935-12-23 1937-04-19 Improvements in or relating to printing telegraph exchange systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB11124/37A Expired GB485327A (en) 1935-12-23 1937-04-19 Improvements in or relating to printing telegraph exchange systems

Country Status (4)

Country Link
BE (1) BE419139A (cs)
FR (1) FR816364A (cs)
GB (2) GB471406A (cs)
NL (1) NL52399C (cs)

Also Published As

Publication number Publication date
BE419139A (cs)
FR816364A (fr) 1937-08-06
NL52399C (cs)
GB485327A (en) 1938-05-18

Similar Documents

Publication Publication Date Title
US2335481A (en) Telephone system
GB471406A (en) Improvements in or relating to printing telegraph exchange systems
US2374072A (en) Telephone system
US2376275A (en) Signaling system
US2507116A (en) Power line carrier telephone system
US2379456A (en) Telephone system
US2410866A (en) Telephone system
US2022030A (en) Signaling system
US1835256A (en) Telephone system
US1492092A (en) Telephone system
US2707211A (en) Adapter circuit
US2625608A (en) Open telegraph line indicator
US1617414A (en) Signaling system
US2186219A (en) Telephone system
US2314518A (en) Telephone system
US2206663A (en) Telegraph system
US2210739A (en) Through supervision system
US1747849A (en) Telephone system
US2237154A (en) Telegraph exchange system
US1741514A (en) Telephone system
US1968420A (en) Telephone system
US2306734A (en) Party line printing telegraph system
US2102735A (en) Carrier telegraph system
US2360040A (en) Teletypewriter cord circuit
US3133152A (en) Teletypewriter switchboard