BE444110A - - Google Patents

Info

Publication number
BE444110A
BE444110A BE444110DA BE444110A BE 444110 A BE444110 A BE 444110A BE 444110D A BE444110D A BE 444110DA BE 444110 A BE444110 A BE 444110A
Authority
BE
Belgium
Prior art keywords
membrane
vibrator
sound
diaphragm
axis
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE444110A publication Critical patent/BE444110A/fr

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
    • G10K9/13Devices 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
    • 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
    • G10K9/18Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/20Sounding members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
BE444110D BE444110A (index.php)

Publications (1)

Publication Number Publication Date
BE444110A true BE444110A (index.php)

Family

ID=100855

Family Applications (1)

Application Number Title Priority Date Filing Date
BE444110D BE444110A (index.php)

Country Status (1)

Country Link
BE (1) BE444110A (index.php)

Similar Documents

Publication Publication Date Title
EP0749265A1 (fr) Haut-parleur pour fréquences élevées
BE444110A (index.php)
WO2003013184A1 (fr) Unite de sonorisation electroacoustique a pavillon ou guide d'onde acoustique
US4231445A (en) Acoustic lens speaker cabinet
FR2518293A3 (fr) Appareil avertisseur sonore electromagnetique pour vehicule automobile
JPS58162994A (ja) 電気式警音器
FR2864600A1 (fr) Dispositif d'amortissement d'ondes vibratoires et/ou acoustiques
CN111508458B (zh) 电子式警音器
US1043704A (en) Combination alarm device.
JP2000350275A (ja) スピーカ
CH598587A5 (en) Ultrasonic pressure sensor with ceramic transmission transducer
FR2858710A1 (fr) Dispositif emettant des sons de moteur et de pot d'echappement de vehicules a moteur
JP3213517B2 (ja) スピーカ構造
KR920005066B1 (ko) 스피커시스템
KR19980047682A (ko) 저주파 영역의 음질 성능이 향상된 자동차용 스피커
BE382164A (index.php)
CH356047A (fr) Avertisseur électro-acoustique
BE391731A (index.php)
JPH04250798A (ja) 低音スピーカシステム
BE508212A (index.php)
JPH0279597A (ja) 車載用スピーカ装置
BE404953A (index.php)
KR860001697Y1 (ko) 트럼펫 혼 모양의 경보스피커
BE335015A (index.php)
BE696758A (index.php)