AT348025B - MULTIPLE SWITCHING AND ALARMING DEVICE - Google Patents

MULTIPLE SWITCHING AND ALARMING DEVICE

Info

Publication number
AT348025B
AT348025B AT252675A AT252675A AT348025B AT 348025 B AT348025 B AT 348025B AT 252675 A AT252675 A AT 252675A AT 252675 A AT252675 A AT 252675A AT 348025 B AT348025 B AT 348025B
Authority
AT
Austria
Prior art keywords
alarming device
multiple switching
switching
alarming
Prior art date
Application number
AT252675A
Other languages
German (de)
Other versions
ATA252675A (en
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
Priority claimed from DE19742417371 external-priority patent/DE2417371C3/en
Priority claimed from DE19742417264 external-priority patent/DE2417264C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA252675A publication Critical patent/ATA252675A/en
Application granted granted Critical
Publication of AT348025B publication Critical patent/AT348025B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT252675A 1974-04-09 1975-04-03 MULTIPLE SWITCHING AND ALARMING DEVICE AT348025B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742417371 DE2417371C3 (en) 1974-04-09 Multiple switching and alarming device
DE19742417264 DE2417264C3 (en) 1974-04-09 1974-04-09 Synchronous monitoring circuit

Publications (2)

Publication Number Publication Date
ATA252675A ATA252675A (en) 1978-06-15
AT348025B true AT348025B (en) 1979-01-25

Family

ID=25766952

Family Applications (1)

Application Number Title Priority Date Filing Date
AT252675A AT348025B (en) 1974-04-09 1975-04-03 MULTIPLE SWITCHING AND ALARMING DEVICE

Country Status (8)

Country Link
JP (1) JPS50144367A (en)
AT (1) AT348025B (en)
FR (1) FR2275061A1 (en)
GB (1) GB1495419A (en)
IL (1) IL47031A (en)
IT (1) IT1034876B (en)
NL (1) NL168097C (en)
SE (1) SE397760B (en)

Also Published As

Publication number Publication date
NL7504199A (en) 1975-10-13
AU7999475A (en) 1976-10-14
JPS50144367A (en) 1975-11-20
ATA252675A (en) 1978-06-15
NL168097C (en) 1982-02-16
IL47031A (en) 1979-01-31
FR2275061B1 (en) 1978-02-03
IL47031A0 (en) 1975-06-25
GB1495419A (en) 1977-12-21
NL168097B (en) 1981-09-16
IT1034876B (en) 1979-10-10
SE397760B (en) 1977-11-14
SE7504010L (en) 1975-10-10
FR2275061A1 (en) 1976-01-09

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee