IL47031A0 - Multiple switching and alarm device - Google Patents

Multiple switching and alarm device

Info

Publication number
IL47031A0
IL47031A0 IL47031A IL4703175A IL47031A0 IL 47031 A0 IL47031 A0 IL 47031A0 IL 47031 A IL47031 A IL 47031A IL 4703175 A IL4703175 A IL 4703175A IL 47031 A0 IL47031 A0 IL 47031A0
Authority
IL
Israel
Prior art keywords
alarm device
multiple switching
switching
alarm
Prior art date
Application number
IL47031A
Other versions
IL47031A (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 DE19742417264 external-priority patent/DE2417264C3/en
Priority claimed from DE19742417371 external-priority patent/DE2417371C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IL47031A0 publication Critical patent/IL47031A0/en
Publication of IL47031A publication Critical patent/IL47031A/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)
IL47031A 1974-04-09 1975-04-07 Carrier frequency communication system with stand-by oscillators and switching and alarm arrangement IL47031A (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
IL47031A0 true IL47031A0 (en) 1975-06-25
IL47031A IL47031A (en) 1979-01-31

Family

ID=25766952

Family Applications (1)

Application Number Title Priority Date Filing Date
IL47031A IL47031A (en) 1974-04-09 1975-04-07 Carrier frequency communication system with stand-by oscillators and switching and alarm arrangement

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
NL168097C (en) 1982-02-16
FR2275061B1 (en) 1978-02-03
NL168097B (en) 1981-09-16
IT1034876B (en) 1979-10-10
ATA252675A (en) 1978-06-15
JPS50144367A (en) 1975-11-20
IL47031A (en) 1979-01-31
AT348025B (en) 1979-01-25
SE7504010L (en) 1975-10-10
NL7504199A (en) 1975-10-13
AU7999475A (en) 1976-10-14
FR2275061A1 (en) 1976-01-09
GB1495419A (en) 1977-12-21
SE397760B (en) 1977-11-14

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