CH110382A - Impianto di allarme. - Google Patents

Impianto di allarme.

Info

Publication number
CH110382A
CH110382A CH110382DA CH110382A CH 110382 A CH110382 A CH 110382A CH 110382D A CH110382D A CH 110382DA CH 110382 A CH110382 A CH 110382A
Authority
CH
Switzerland
Prior art keywords
alarm system
alarm
Prior art date
Application number
Other languages
English (en)
Inventor
Vella Giuseppe
Original Assignee
Vella Giuseppe
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 Vella Giuseppe filed Critical Vella Giuseppe
Publication of CH110382A publication Critical patent/CH110382A/it

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
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
CH110382D 1925-01-03 1925-01-03 Impianto di allarme. CH110382A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH110382T 1925-01-03

Publications (1)

Publication Number Publication Date
CH110382A true CH110382A (it) 1925-06-01

Family

ID=4369416

Family Applications (1)

Application Number Title Priority Date Filing Date
CH110382D CH110382A (it) 1925-01-03 1925-01-03 Impianto di allarme.

Country Status (1)

Country Link
CH (1) CH110382A (it)

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