FR2275061A1 - ALARM AND MULTIPLE SWITCHING DEVICE FROM NORMAL TO EMERGENCY OPERATION, ESPECIALLY FOR CARRIER FREQUENCY POWER SUPPLIES - Google Patents

ALARM AND MULTIPLE SWITCHING DEVICE FROM NORMAL TO EMERGENCY OPERATION, ESPECIALLY FOR CARRIER FREQUENCY POWER SUPPLIES

Info

Publication number
FR2275061A1
FR2275061A1 FR7510865A FR7510865A FR2275061A1 FR 2275061 A1 FR2275061 A1 FR 2275061A1 FR 7510865 A FR7510865 A FR 7510865A FR 7510865 A FR7510865 A FR 7510865A FR 2275061 A1 FR2275061 A1 FR 2275061A1
Authority
FR
France
Prior art keywords
alarm
normal
switching device
carrier frequency
frequency power
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.)
Granted
Application number
FR7510865A
Other languages
French (fr)
Other versions
FR2275061B1 (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 AG
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 FR2275061A1 publication Critical patent/FR2275061A1/en
Application granted granted Critical
Publication of FR2275061B1 publication Critical patent/FR2275061B1/fr
Granted legal-status Critical Current

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)
FR7510865A 1974-04-09 1975-04-08 ALARM AND MULTIPLE SWITCHING DEVICE FROM NORMAL TO EMERGENCY OPERATION, ESPECIALLY FOR CARRIER FREQUENCY POWER SUPPLIES Granted FR2275061A1 (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
FR2275061A1 true FR2275061A1 (en) 1976-01-09
FR2275061B1 FR2275061B1 (en) 1978-02-03

Family

ID=25766952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7510865A Granted FR2275061A1 (en) 1974-04-09 1975-04-08 ALARM AND MULTIPLE SWITCHING DEVICE FROM NORMAL TO EMERGENCY OPERATION, ESPECIALLY FOR CARRIER FREQUENCY POWER SUPPLIES

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
SE397760B (en) 1977-11-14
AU7999475A (en) 1976-10-14
NL168097C (en) 1982-02-16
IL47031A (en) 1979-01-31
SE7504010L (en) 1975-10-10
IT1034876B (en) 1979-10-10
JPS50144367A (en) 1975-11-20
NL7504199A (en) 1975-10-13
GB1495419A (en) 1977-12-21
FR2275061B1 (en) 1978-02-03
ATA252675A (en) 1978-06-15
NL168097B (en) 1981-09-16
AT348025B (en) 1979-01-25
IL47031A0 (en) 1975-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse