IL65849A - Electronic siren - Google Patents

Electronic siren

Info

Publication number
IL65849A
IL65849A IL65849A IL6584982A IL65849A IL 65849 A IL65849 A IL 65849A IL 65849 A IL65849 A IL 65849A IL 6584982 A IL6584982 A IL 6584982A IL 65849 A IL65849 A IL 65849A
Authority
IL
Israel
Prior art keywords
sine oscillation
electrical signal
siren
frequency
lies
Prior art date
Application number
IL65849A
Other languages
English (en)
Other versions
IL65849A0 (en
Original Assignee
Abeg App Elektro
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6140925&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL65849(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Abeg App Elektro filed Critical Abeg App Elektro
Publication of IL65849A0 publication Critical patent/IL65849A0/xx
Publication of IL65849A publication Critical patent/IL65849A/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Alarm Systems (AREA)
IL65849A 1981-09-04 1982-05-21 Electronic siren IL65849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813135169 DE3135169A1 (de) 1981-09-04 1981-09-04 Elektronische sirene

Publications (2)

Publication Number Publication Date
IL65849A0 IL65849A0 (en) 1982-08-31
IL65849A true IL65849A (en) 1985-11-29

Family

ID=6140925

Family Applications (1)

Application Number Title Priority Date Filing Date
IL65849A IL65849A (en) 1981-09-04 1982-05-21 Electronic siren

Country Status (4)

Country Link
EP (1) EP0073878B1 (de)
AT (1) ATE10402T1 (de)
DE (2) DE3135169A1 (de)
IL (1) IL65849A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531467A1 (de) * 1985-09-03 1987-03-12 Hoermann Gmbh Elektronische sirene
CN115346340B (zh) * 2022-07-21 2023-11-17 浙江极氪智能科技有限公司 改善驾驶疲劳的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR581099A (fr) * 1923-07-04 1924-11-21 Avertisseur acoustique
DE532492C (de) * 1930-05-06 1931-08-28 Julius Pintsch Akt Ges Elektrische Membranschallsenderanlage
DE1566952B1 (de) * 1967-10-19 1970-04-30 Wandel & Goltermann Alarmsignalgenerator fuer eine mobile Lautsprecheranlage,sogenanntes elektronisches Polizeihorn
FR2333314A1 (fr) * 1975-11-27 1977-06-24 Klaxon Sa Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique
US4171734A (en) * 1977-11-10 1979-10-23 Beta Sound, Incorporated Exponential horn speaker

Also Published As

Publication number Publication date
DE3261274D1 (en) 1985-01-03
EP0073878B1 (de) 1984-11-21
IL65849A0 (en) 1982-08-31
EP0073878A1 (de) 1983-03-16
ATE10402T1 (de) 1984-12-15
DE3135169A1 (de) 1983-03-17

Similar Documents

Publication Publication Date Title
JPS6420867A (en) Light and sound generator
IE830551L (en) Adaptive threshold apparatus
EP0122619A3 (en) Composite product having patterned metal layer and process
DK270779A (da) Lavfrekvens lydgenerator
EP0357102A3 (en) Apparatus for treating liquid to prevent and/or remove scale deposits
GB2065395B (en) Frequency controlled signal generating circuit arrangements
EP0206458A3 (en) Vibration-sensitive transducer
DE3261274D1 (en) Electronic siren
DE3572410D1 (en) Apparatus and method for stabilizing the frequency of a clock signal generated by an on-chip clock generator
JPS51111041A (en) Irregular signal generator
DE3473510D1 (en) Evaluation of sound signals converted into electrical signals
DE3468081D1 (en) Method and apparatus for the transmission of acoustic information as tactile vibrations
ES8501909A1 (es) Detector diferencial de presion acustica
EP0540158A3 (de)
JPS57104882A (en) Power on clear circuit in electronic watch
ES8407430A1 (es) Sistema electronico generador de destellos con senal acustica de aviso de fallo de lampara indicadora de cambio de direccion para vehiculos.
JPS57104374A (en) Signal clamping circuit
EP0047060A3 (de) Erzeugung von Verstimmungseffekten in einem elektronischen Musikinstrument
JPS54116974A (en) Electronic watch
JPS5412612A (en) Signal processing system
FI860332L (fi) Elektronisk kontakt.
EP0284152A3 (de) Gerät zur Amplitudenmodulation
JPS57186798A (en) Musical sound waveform generation circuit for electronic musical instrument
GB2221915B (en) Method of producing resin articles
JPS5295195A (en) Signal generator for alarm