ITTO20140101U1 - Sirena elettronica in grado di generare simultaneamente almeno due frequenze vicine - Google Patents

Sirena elettronica in grado di generare simultaneamente almeno due frequenze vicine

Info

Publication number
ITTO20140101U1
ITTO20140101U1 ITTO2014U000101U ITTO20140101U ITTO20140101U1 IT TO20140101 U1 ITTO20140101 U1 IT TO20140101U1 IT TO2014U000101 U ITTO2014U000101 U IT TO2014U000101U IT TO20140101 U ITTO20140101 U IT TO20140101U IT TO20140101 U1 ITTO20140101 U1 IT TO20140101U1
Authority
IT
Italy
Prior art keywords
frequency
generate
amplifier
siren
electronic siren
Prior art date
Application number
ITTO2014U000101U
Other languages
English (en)
Italian (it)
Inventor
Vallduvi' Rafel Sarda'
Original Assignee
Fed Signal Vama Sa
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 Fed Signal Vama Sa filed Critical Fed Signal Vama Sa
Publication of ITTO20140101U1 publication Critical patent/ITTO20140101U1/it

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Alarm Systems (AREA)
ITTO2014U000101U 2013-07-25 2014-07-16 Sirena elettronica in grado di generare simultaneamente almeno due frequenze vicine ITTO20140101U1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201330924U ES1088304Y (es) 2013-07-25 2013-07-25 Sirena electronica

Publications (1)

Publication Number Publication Date
ITTO20140101U1 true ITTO20140101U1 (it) 2016-01-16

Family

ID=48915740

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2014U000101U ITTO20140101U1 (it) 2013-07-25 2014-07-16 Sirena elettronica in grado di generare simultaneamente almeno due frequenze vicine

Country Status (6)

Country Link
AT (1) AT14173U1 (pl)
DE (1) DE202014103046U1 (pl)
ES (1) ES1088304Y (pl)
FR (1) FR3009120B3 (pl)
IT (1) ITTO20140101U1 (pl)
PL (1) PL408970A1 (pl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2333314A1 (fr) * 1975-11-27 1977-06-24 Klaxon Sa Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique
FR2346788A1 (fr) * 1976-04-01 1977-10-28 Klaxon Sa Perfectionnements aux installations d'alarme sonore comprenant un emetteur de sons alternes
US4633229A (en) * 1982-07-12 1986-12-30 Federal Signal Corporation Electronic outdoor warning siren
CN2634767Y (zh) * 2003-08-05 2004-08-18 祝天祥 警音混声电子警报器

Also Published As

Publication number Publication date
AT14173U1 (de) 2015-05-15
PL408970A1 (pl) 2015-02-02
ES1088304U (es) 2013-08-22
ES1088304Y (es) 2013-11-21
DE202014103046U1 (de) 2014-07-11
FR3009120B3 (fr) 2015-08-14
FR3009120A3 (fr) 2015-01-30

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