NL7504199A - MULTIPLE CHANGEOVER AND ALARM DEVICE. - Google Patents

MULTIPLE CHANGEOVER AND ALARM DEVICE.

Info

Publication number
NL7504199A
NL7504199A NL7504199A NL7504199A NL7504199A NL 7504199 A NL7504199 A NL 7504199A NL 7504199 A NL7504199 A NL 7504199A NL 7504199 A NL7504199 A NL 7504199A NL 7504199 A NL7504199 A NL 7504199A
Authority
NL
Netherlands
Prior art keywords
alarm device
multiple changeover
changeover
alarm
Prior art date
Application number
NL7504199A
Other languages
Dutch (nl)
Other versions
NL168097C (en
NL168097B (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 NL7504199A publication Critical patent/NL7504199A/en
Publication of NL168097B publication Critical patent/NL168097B/en
Application granted granted Critical
Publication of NL168097C publication Critical patent/NL168097C/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)
NL7504199A 1974-04-09 1975-04-08 SWITCHING AND ALARMING DEVICE. NL168097C (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 (3)

Publication Number Publication Date
NL7504199A true NL7504199A (en) 1975-10-13
NL168097B NL168097B (en) 1981-09-16
NL168097C NL168097C (en) 1982-02-16

Family

ID=25766952

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7504199A NL168097C (en) 1974-04-09 1975-04-08 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
NL168097C (en) 1982-02-16
FR2275061B1 (en) 1978-02-03
IL47031A0 (en) 1975-06-25
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
AU7999475A (en) 1976-10-14
FR2275061A1 (en) 1976-01-09
GB1495419A (en) 1977-12-21
SE397760B (en) 1977-11-14

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee