NL121492C - - Google Patents

Info

Publication number
NL121492C
NL121492C NL121492DA NL121492C NL 121492 C NL121492 C NL 121492C NL 121492D A NL121492D A NL 121492DA NL 121492 C NL121492 C NL 121492C
Authority
NL
Netherlands
Application number
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.)
Publication of NL121492C publication Critical patent/NL121492C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/10—Providing fault- or trouble-signals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Relay Circuits (AREA)
  • Emergency Protection Circuit Devices (AREA)
NL121492D 1960-03-11 NL121492C (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR821056A FR1259027A (fr) 1960-03-11 1960-03-11 Perfectionnement aux systèmes de signalisation automatique des défauts
FR822629A FR77422E (fr) 1960-03-11 1960-03-28 Perfectionnement aux systèmes de signalisation automatique des défauts

Publications (1)

Publication Number Publication Date
NL121492C true NL121492C (enrdf_load_stackoverflow)

Family

ID=26185262

Family Applications (2)

Application Number Title Priority Date Filing Date
NL121492D NL121492C (enrdf_load_stackoverflow) 1960-03-11
NL262285D NL262285A (enrdf_load_stackoverflow) 1960-03-11

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL262285D NL262285A (enrdf_load_stackoverflow) 1960-03-11

Country Status (7)

Country Link
BE (1) BE601159A (enrdf_load_stackoverflow)
CH (1) CH387497A (enrdf_load_stackoverflow)
DE (1) DE1121185B (enrdf_load_stackoverflow)
FR (2) FR1259027A (enrdf_load_stackoverflow)
GB (1) GB923743A (enrdf_load_stackoverflow)
LU (1) LU39863A1 (enrdf_load_stackoverflow)
NL (2) NL262285A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1266863B (de) * 1963-05-14 1968-04-25 Bbc Brown Boveri & Cie Einrichtung zur zentralen UEberwachung und chronologischen Registrierung mehrerer ineinem ausgedehnten Energieversorgungsnetz raeumlich und zeitlich getrennt ablaufender Schaltereignisse
GB2162670A (en) * 1983-08-27 1986-02-05 Hunslet Monitoring system

Also Published As

Publication number Publication date
LU39863A1 (enrdf_load_stackoverflow) 1961-05-08
CH387497A (de) 1965-01-31
FR77422E (fr) 1962-03-02
BE601159A (fr) 1961-09-11
FR1259027A (fr) 1961-04-21
DE1121185B (de) 1962-01-04
GB923743A (enrdf_load_stackoverflow)
NL262285A (enrdf_load_stackoverflow)

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