BE679877A - - Google Patents

Info

Publication number
BE679877A
BE679877A BE679877DA BE679877A BE 679877 A BE679877 A BE 679877A BE 679877D A BE679877D A BE 679877DA BE 679877 A BE679877 A BE 679877A
Authority
BE
Belgium
Prior art keywords
armature
pole pieces
electromagnetic vibrator
vibrator according
split
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE679877A publication Critical patent/BE679877A/fr

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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE679877D 1966-04-22 1966-04-22 BE679877A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE679877 1966-04-22

Publications (1)

Publication Number Publication Date
BE679877A true BE679877A (enrdf_load_stackoverflow) 1966-10-03

Family

ID=3848558

Family Applications (1)

Application Number Title Priority Date Filing Date
BE679877D BE679877A (enrdf_load_stackoverflow) 1966-04-22 1966-04-22

Country Status (1)

Country Link
BE (1) BE679877A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2269149A (en) Permanent magnet
US4006401A (en) Electromagnetic generator
US2412123A (en) Electromagnetic device
US2249158A (en) Electroacoustic transducer
BE679877A (enrdf_load_stackoverflow)
US1955248A (en) Magnetic movement
US1826990A (en) Electromagnetic device
US1704084A (en) Sound reproducer
US2573998A (en) Oscillograph-galvanometer
US2890289A (en) Ribbon-type magnetic armature transducer
US2928028A (en) Polarized magnet arrangement
US1823603A (en) Sound reproducing apparatus
US3803521A (en) Electromechanical band-pass filter
US2127427A (en) Permanent magnet galvanometer
US2270983A (en) Electromechanical amplifier
US3181054A (en) High frequency vibrator or chopper and frequency doubling circuit derived therefrom
US3436568A (en) Electromagnetic vibratory devices
US2872672A (en) Telephone ringer and the like
SU5884A1 (ru) Телефон
US1773082A (en) Electromagnetic system
US1902643A (en) Electrical translating device
US1778401A (en) Relay
US1986984A (en) Amplifying device
US1881829A (en) Electromagnetic signaling device
US1884327A (en) Electrical apparatus