CH459009A - Method for generating audible alarm signals and alarm device for its implementation - Google Patents

Method for generating audible alarm signals and alarm device for its implementation

Info

Publication number
CH459009A
CH459009A CH302667A CH302667A CH459009A CH 459009 A CH459009 A CH 459009A CH 302667 A CH302667 A CH 302667A CH 302667 A CH302667 A CH 302667A CH 459009 A CH459009 A CH 459009A
Authority
CH
Switzerland
Prior art keywords
implementation
generating audible
alarm device
alarm
signals
Prior art date
Application number
CH302667A
Other languages
German (de)
Inventor
Kenneth Carol Lawrence
Original Assignee
Gen Alarm Corp
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 Gen Alarm Corp filed Critical Gen Alarm Corp
Publication of CH459009A publication Critical patent/CH459009A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Electromechanical Clocks (AREA)
CH302667A 1966-03-01 1967-03-01 Method for generating audible alarm signals and alarm device for its implementation CH459009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53088366A 1966-03-01 1966-03-01

Publications (1)

Publication Number Publication Date
CH459009A true CH459009A (en) 1968-06-30

Family

ID=24115370

Family Applications (1)

Application Number Title Priority Date Filing Date
CH302667A CH459009A (en) 1966-03-01 1967-03-01 Method for generating audible alarm signals and alarm device for its implementation

Country Status (5)

Country Link
BE (1) BE694798A (en)
CH (1) CH459009A (en)
DE (1) DE1288960C2 (en)
FR (1) FR1512884A (en)
GB (1) GB1172585A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE537420C (en) * 1930-02-07 1931-11-02 Wilhelm Dietsche Device for signaling on vehicles
DE669797C (en) * 1934-03-10 1939-01-04 Atlas Werke Ag Airborne sound transmitter with adjustable, resonant structures
DE1014888B (en) * 1956-06-30 1957-08-29 Funke Huster Elektrizitaets Signaling device for mining

Also Published As

Publication number Publication date
FR1512884A (en) 1968-02-09
GB1172585A (en) 1969-12-03
DE1288960B (en) 1969-02-06
DE1288960C2 (en) 1973-05-17
BE694798A (en) 1967-08-28

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