FR633287A - Connection arrangement for alarm systems - Google Patents

Connection arrangement for alarm systems

Info

Publication number
FR633287A
FR633287A FR633287DA FR633287A FR 633287 A FR633287 A FR 633287A FR 633287D A FR633287D A FR 633287DA FR 633287 A FR633287 A FR 633287A
Authority
FR
France
Prior art keywords
connection arrangement
alarm systems
alarm
systems
arrangement
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Gysbertus Cornelis Snyders
Cornelius Gordyn Jr
Jan Van De Kamp
Charles Adrianus Maitland
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
Application filed filed Critical
Application granted granted Critical
Publication of FR633287A publication Critical patent/FR633287A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
FR633287D 1926-04-26 1927-04-25 Connection arrangement for alarm systems Expired FR633287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE269941X 1926-04-26

Publications (1)

Publication Number Publication Date
FR633287A true FR633287A (en) 1928-01-26

Family

ID=5998026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR633287D Expired FR633287A (en) 1926-04-26 1927-04-25 Connection arrangement for alarm systems

Country Status (4)

Country Link
US (1) US1740123A (en)
FR (1) FR633287A (en)
GB (1) GB269941A (en)
NL (1) NL24801C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2820098A (en) * 1952-03-19 1958-01-14 Skogsberg Erik Lennart Signaling system

Also Published As

Publication number Publication date
US1740123A (en) 1929-12-17
NL24801C (en)
GB269941A (en) 1928-07-25

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