CH182845A - Einrichtung zur Alarmgabe mittels einer oder mehrerer Sirenen. - Google Patents

Einrichtung zur Alarmgabe mittels einer oder mehrerer Sirenen.

Info

Publication number
CH182845A
CH182845A CH182845DA CH182845A CH 182845 A CH182845 A CH 182845A CH 182845D A CH182845D A CH 182845DA CH 182845 A CH182845 A CH 182845A
Authority
CH
Switzerland
Prior art keywords
sirens
alarm
giving
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Siemens & Halske Aktiengesellschaft
Original Assignee
Siemens & Halkse Ag
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
Priority claimed from DES112969D external-priority patent/DE721265C/de
Application filed by Siemens & Halkse Ag filed Critical Siemens & Halkse Ag
Publication of CH182845A publication Critical patent/CH182845A/de

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
    • G10K7/00—Sirens
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
    • G10K7/04—Sirens in which the sound-producing member is rotated manually or by a motor by an electric motor
    • 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
    • G10K7/00—Sirens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Alarm Systems (AREA)
CH182845D 1934-02-21 1934-12-17 Einrichtung zur Alarmgabe mittels einer oder mehrerer Sirenen. CH182845A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES112969D DE721265C (de) 1934-02-21 1934-02-21 Sirene, insbesondere fuer Fliegeralarm, bei der die Ein- und Austrittsoeffnungen fuer das Gas (Luft) durch Daecher geschuetzt sind
DES115992D DE736601C (de) 1934-02-21 1934-11-05 Einrichtung zur Alarmgabe mittels Sirenen

Publications (1)

Publication Number Publication Date
CH182845A true CH182845A (de) 1936-05-16

Family

ID=7533771

Family Applications (1)

Application Number Title Priority Date Filing Date
CH182845D CH182845A (de) 1934-02-21 1934-12-17 Einrichtung zur Alarmgabe mittels einer oder mehrerer Sirenen.

Country Status (4)

Country Link
CH (1) CH182845A (fr)
DE (1) DE736601C (fr)
FR (1) FR783355A (fr)
NL (1) NL40518C (fr)

Also Published As

Publication number Publication date
FR783355A (fr) 1935-07-11
NL40518C (nl) 1937-04-15
DE736601C (de) 1943-06-28

Similar Documents

Publication Publication Date Title
FR786404A (fr) Système de magnétron
CH182845A (de) Einrichtung zur Alarmgabe mittels einer oder mehrerer Sirenen.
FR790816A (fr) Dispositif de filières
FR809083A (fr) Perfectionnements aux avertisseurs sonores
FR771288A (fr) Cible
FR797097A (fr) Appareil de découpage
FR791637A (fr) Capodastre perfectionné
FR784769A (fr) Perfectionnements aux avertisseurs sonores
ES136013A1 (es) Goniómetro de embudos o bocinas.
FR799398A (fr) Indicateur de réglage
FR793090A (fr) Annonciateur de signaux
ES133819A1 (es) Un aparato para proyectar películas de diferentes pasos o amplitudes.
AT144712B (de) Kontrolleinrichtung für Lichtsignale.
FR789767A (fr) Appareil de sondage aérien ou sous-marin
FR772851A (fr) Système de bobines
FR780932A (fr) Appareil de sauvetage des équipages de sous-marins coulés
FR44582E (fr) Perfectionnements aux avertisseurs sonores
FR798050A (fr) Appareil avertisseur musical
FR785585A (fr) Dispositif de signalisation palindrome
FR787797A (fr) émetteur de son aérien
FR797905A (fr) Appareil indicateur
FR790391A (fr) Perfectionnements aux sièges
FR792746A (fr) Indicateur de direction
FR46047E (fr) Indicateur de direction
DK50038C (da) Gasalarmapparat.