NL33110C - - Google Patents

Info

Publication number
NL33110C
NL33110C NL33110DA NL33110C NL 33110 C NL33110 C NL 33110C NL 33110D A NL33110D A NL 33110DA NL 33110 C NL33110 C NL 33110C
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 NL33110C publication Critical patent/NL33110C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL33110D 1930-07-29 NL33110C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE695586T 1930-07-29

Publications (1)

Publication Number Publication Date
NL33110C true NL33110C (fr)

Family

ID=6626407

Family Applications (1)

Application Number Title Priority Date Filing Date
NL33110D NL33110C (fr) 1930-07-29

Country Status (4)

Country Link
AT (1) AT134702B (fr)
DE (1) DE695586C (fr)
FR (1) FR716404A (fr)
NL (1) NL33110C (fr)

Also Published As

Publication number Publication date
AT134702B (de) 1933-09-25
DE695586C (de) 1940-08-28
FR716404A (fr) 1931-12-21

Similar Documents

Publication Publication Date Title
FR674103A (fr)
FR683436A (fr)
FR35415E (fr)
FR675700A (fr)
BE378313A (fr)
BE369776A (fr)
BE375752A (fr)
BE384321A (fr)
BE384059A (fr)
BE383003A (fr)
BE382864A (fr)
BE382847A (fr)
BE382665A (fr)
BE381982A (fr)
BE381246A (fr)
BE380946A (fr)
BE380454A (fr)
BE380024A (fr)
BE379813A (fr)
BE375294A (fr)
BE376798A (fr)
BE378555A (fr)
BE378410A (fr)
BE376337A (fr)
BE377477A (fr)