FR391581A - Fire alarm system - Google Patents

Fire alarm system

Info

Publication number
FR391581A
FR391581A FR391581DA FR391581A FR 391581 A FR391581 A FR 391581A FR 391581D A FR391581D A FR 391581DA FR 391581 A FR391581 A FR 391581A
Authority
FR
France
Prior art keywords
alarm system
fire alarm
fire
alarm
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
Henry Harvey Hillier
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR391581A publication Critical patent/FR391581A/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)
FR391581D 1908-06-23 1908-06-23 Fire alarm system Expired FR391581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR391581T 1908-06-23

Publications (1)

Publication Number Publication Date
FR391581A true FR391581A (en) 1908-11-04

Family

ID=1437034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR391581D Expired FR391581A (en) 1908-06-23 1908-06-23 Fire alarm system

Country Status (1)

Country Link
FR (1) FR391581A (en)

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