CH483688A - Electromagnetic vibrator - Google Patents

Electromagnetic vibrator

Info

Publication number
CH483688A
CH483688A CH1735867A CH1735867A CH483688A CH 483688 A CH483688 A CH 483688A CH 1735867 A CH1735867 A CH 1735867A CH 1735867 A CH1735867 A CH 1735867A CH 483688 A CH483688 A CH 483688A
Authority
CH
Switzerland
Prior art keywords
electromagnetic vibrator
vibrator
electromagnetic
Prior art date
Application number
CH1735867A
Other languages
French (fr)
Inventor
Engelmann Maurice
Original Assignee
Spadini Paolo
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 Spadini Paolo filed Critical Spadini Paolo
Priority to CH1735867A priority Critical patent/CH483688A/en
Priority to DE19681813573 priority patent/DE1813573A1/en
Publication of CH483688A publication Critical patent/CH483688A/en

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
    • G10K9/15—Self-interrupting arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)
CH1735867A 1967-12-12 1967-12-12 Electromagnetic vibrator CH483688A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1735867A CH483688A (en) 1967-12-12 1967-12-12 Electromagnetic vibrator
DE19681813573 DE1813573A1 (en) 1967-12-12 1968-12-09 Electromagnetic buzzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1735867A CH483688A (en) 1967-12-12 1967-12-12 Electromagnetic vibrator

Publications (1)

Publication Number Publication Date
CH483688A true CH483688A (en) 1969-12-31

Family

ID=4424812

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1735867A CH483688A (en) 1967-12-12 1967-12-12 Electromagnetic vibrator

Country Status (2)

Country Link
CH (1) CH483688A (en)
DE (1) DE1813573A1 (en)

Also Published As

Publication number Publication date
DE1813573A1 (en) 1969-07-03

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Legal Events

Date Code Title Description
PL Patent ceased