BE521219A - Sound producing device - Google Patents

Sound producing device

Info

Publication number
BE521219A
BE521219A BE521219A BE521219A BE521219A BE 521219 A BE521219 A BE 521219A BE 521219 A BE521219 A BE 521219A BE 521219 A BE521219 A BE 521219A BE 521219 A BE521219 A BE 521219A
Authority
BE
Belgium
Prior art keywords
producing device
sound producing
sound
producing
Prior art date
Application number
BE521219A
Other languages
French (fr)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of BE521219A publication Critical patent/BE521219A/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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • 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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/20—Sounding members
BE521219A 1952-07-05 1953-07-04 Sound producing device BE521219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB21070A DE969187C (en) 1952-07-05 1952-07-05 Sound generator for signaling purposes

Publications (1)

Publication Number Publication Date
BE521219A true BE521219A (en) 1953-07-31

Family

ID=6960512

Family Applications (1)

Application Number Title Priority Date Filing Date
BE521219A BE521219A (en) 1952-07-05 1953-07-04 Sound producing device

Country Status (9)

Country Link
US (1) US2787786A (en)
AT (1) AT184490B (en)
BE (1) BE521219A (en)
CH (1) CH313481A (en)
DE (1) DE969187C (en)
DK (1) DK84709C (en)
ES (1) ES209690A1 (en)
FR (1) FR1083686A (en)
GB (1) GB731642A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226231A (en) * 1958-07-16 1960-07-08 Magneti Marelli Spa Electro-acoustic warning device, in particular for motor vehicles
US3157151A (en) * 1962-04-25 1964-11-17 Westinghouse Electric Corp Ultrasonic generator
US3358084A (en) * 1964-02-17 1967-12-12 William J Ashworth Electromagnetic sound reproducer
DE2261868C2 (en) * 1972-12-18 1982-03-04 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Acoustic signal generator, in particular an impact horn
EP0052975A1 (en) * 1980-11-22 1982-06-02 LUCAS INDUSTRIES public limited company Horn body and horn having such a horn body
FR2977062A1 (en) * 2011-06-23 2012-12-28 Renault Sa Diffuser for disk-type sound-signaling hooter in siren alarm of car, has coupling region, where resonant frequency of diffuser is equal to harmonic of nth order of fundamental frequency of excitation in which number n is integer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE381250C (en) * 1923-09-18 Robert Bosch Akt Ges Acoustic signal instrument
DE346355C (en) *
US1523964A (en) * 1922-12-26 1925-01-20 Bosch Robert Signaling instrument
US1737883A (en) * 1924-02-20 1929-12-03 Signal Ges Mit Beschankter Haf Diaphragm especially for sound receiving and radiating apparatus
US1750348A (en) * 1925-07-10 1930-03-11 North East Appliance Corp Electric horn
US1759443A (en) * 1925-07-10 1930-05-20 North East Appliance Corp Electromagnetic horn
DE441898C (en) * 1926-03-04 1927-03-19 Sparks Withington Company Electromagnetic horn, in which, in addition to the record, a vibrating disc firmly connected to it is set in vibration by an electromagnet
US2046772A (en) * 1929-06-29 1936-07-07 Gen Motors Corp Sound signal
AT124847B (en) * 1929-08-31 1931-10-10 Bosch Robert Electromagnetic horn, in particular for vehicles.
US1940150A (en) * 1930-01-02 1933-12-19 George J Seiss Automobile horn
DE578551C (en) * 1931-10-20 1933-06-15 Herm Riemann Fa Magnetic horn
US2228677A (en) * 1938-06-11 1941-01-14 Sparks Withington Co Warning signal

Also Published As

Publication number Publication date
DK84709C (en) 1958-04-08
DE969187C (en) 1958-05-08
FR1083686A (en) 1955-01-11
ES209690A1 (en) 1954-08-01
US2787786A (en) 1957-04-02
CH313481A (en) 1956-05-31
GB731642A (en) 1955-06-08
AT184490B (en) 1956-01-25

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