GB288300A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB288300A
GB288300A GB10085/28A GB1008528A GB288300A GB 288300 A GB288300 A GB 288300A GB 10085/28 A GB10085/28 A GB 10085/28A GB 1008528 A GB1008528 A GB 1008528A GB 288300 A GB288300 A GB 288300A
Authority
GB
United Kingdom
Prior art keywords
contacts
relay
operated
key
keys
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
GB10085/28A
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.)
D APP ELECTR FAVARGER FAB
Original Assignee
D APP ELECTR FAVARGER FAB
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 D APP ELECTR FAVARGER FAB filed Critical D APP ELECTR FAVARGER FAB
Publication of GB288300A publication Critical patent/GB288300A/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
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1804—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for stock exchange and similar applications

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Selective Calling Equipment (AREA)
  • Relay Circuits (AREA)
GB10085/28A 1927-04-05 1928-04-03 Improvements in or relating to electric signalling systems Expired GB288300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH288300X 1927-04-05

Publications (1)

Publication Number Publication Date
GB288300A true GB288300A (en) 1929-07-03

Family

ID=4486170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10085/28A Expired GB288300A (en) 1927-04-05 1928-04-03 Improvements in or relating to electric signalling systems

Country Status (5)

Country Link
US (1) US1852994A (en))
BE (1) BE350214A (en))
DE (1) DE614880C (en))
FR (1) FR652021A (en))
GB (1) GB288300A (en))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682044A (en) * 1948-12-30 1954-06-22 Automatic Elect Lab Indicator resetting system
DE965409C (de) * 1949-09-13 1957-06-06 Siemens Ag Einrichtung zur Meldung von Zahlen fuer die Zugnummernmeldung bei Eisenbahnen
US2939020A (en) * 1950-10-11 1960-05-31 Northrop Corp Control pulse generating means for radio control systems
DE1023373B (de) * 1953-11-03 1958-01-23 Wilhelm Kengelbach Feuer-, Unfall- und Sicherheits-meldeanlage
US2922984A (en) * 1955-12-20 1960-01-26 Autophon Ag Electrically operated signalling system

Also Published As

Publication number Publication date
FR652021A (fr) 1929-03-02
BE350214A (en))
US1852994A (en) 1932-04-05
DE614880C (de) 1935-06-20

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