IT944816B - Dispositivo elettrico per produrre suoni - Google Patents

Dispositivo elettrico per produrre suoni

Info

Publication number
IT944816B
IT944816B IT53945/71A IT5394571A IT944816B IT 944816 B IT944816 B IT 944816B IT 53945/71 A IT53945/71 A IT 53945/71A IT 5394571 A IT5394571 A IT 5394571A IT 944816 B IT944816 B IT 944816B
Authority
IT
Italy
Prior art keywords
electrical device
produce sounds
sounds
produce
electrical
Prior art date
Application number
IT53945/71A
Other languages
English (en)
Italian (it)
Original Assignee
Haigh R
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 Haigh R filed Critical Haigh R
Application granted granted Critical
Publication of IT944816B publication Critical patent/IT944816B/it

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
    • B06B1/0284—Driving circuits for generating signals continuous in time for generating multiple frequencies with consecutive, i.e. sequential generation, e.g. with frequency sweep
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/52—Electrodynamic transducer
    • B06B2201/53—Electrodynamic transducer with vibrating magnet or coil
IT53945/71A 1970-11-07 1971-11-08 Dispositivo elettrico per produrre suoni IT944816B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5308770 1970-11-07
GB1031071*[A GB1376433A (en) 1970-11-07 1971-04-20 Electric sound-producing device

Publications (1)

Publication Number Publication Date
IT944816B true IT944816B (it) 1973-04-20

Family

ID=26247442

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53945/71A IT944816B (it) 1970-11-07 1971-11-08 Dispositivo elettrico per produrre suoni

Country Status (8)

Country Link
US (1) US3846792A (de)
CA (1) CA986754A (de)
DE (1) DE2155472C3 (de)
FR (1) FR2113679A5 (de)
GB (1) GB1376433A (de)
IT (1) IT944816B (de)
NL (1) NL7115306A (de)
SE (1) SE390462B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938142A (en) * 1973-06-12 1976-02-10 International Standard Electric Corporation Ultrasonic transmitter for the remote control of radio and television receivers
US3945004A (en) * 1974-07-11 1976-03-16 Projects Unlimited, Inc. High efficiency buzzer
US4003043A (en) * 1976-01-26 1977-01-11 Stewart-Warner Corporation Timed buzzer
USRE29701E (en) * 1976-01-26 1978-07-11 Stewart-Warner Corporation Timed buzzer
DE2647439C2 (de) * 1976-10-21 1982-10-21 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Schallsignalgeber, insbesondere für Kraftfahrzeuge
JPS5435777A (en) * 1977-08-25 1979-03-16 Seiko Epson Corp Alarm watch
US4251807A (en) * 1979-03-08 1981-02-17 Pickering & Company Miniature buzzer
US4297538A (en) * 1979-07-23 1981-10-27 The Stoneleigh Trust Resonant electroacoustic transducer with increased band width response
US4335418A (en) * 1980-10-27 1982-06-15 General Signal Corporation Electronic interrupter
DE3442483A1 (de) * 1984-11-22 1986-05-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum kontaktlosen steuern der aufschlagfrequenz des schwingankers eines elektromagnetischen signalhorns
US4689609A (en) * 1985-12-04 1987-08-25 Ko Clyde M A Electronic horn with spiral deflecting walls coupled to a truncated cone structure
DE3735134A1 (de) * 1986-10-16 1988-05-11 Pioneer Electronic Corp Koerpersensible akustische vorrichtung
US5049853A (en) * 1987-10-19 1991-09-17 Sparton Corporation Electric horn with solid state driver
US5160913A (en) * 1987-10-19 1992-11-03 Sparton Corporation Electric horn with solid state driver
US5596477A (en) * 1993-05-03 1997-01-21 Faraday, Inc. Contactless signaling device
US5659288A (en) * 1995-07-28 1997-08-19 Ford Motor Company Method for setting horn air gap
ITVI20010270A1 (it) * 2001-12-28 2003-06-28 Stebel Spa Avvisatore acustico elettropneumatico
JP2004196626A (ja) * 2002-12-20 2004-07-15 Sumitomo Chem Co Ltd 酸化チタンの製造方法
US8687835B2 (en) 2011-11-16 2014-04-01 Wolo Mfg. Corp. Diaphragm for an electropneumatic horn system
WO2009032442A1 (en) 2007-09-06 2009-03-12 Wolo Mfg.Corp. Electropneumatic horn system
US7802535B2 (en) * 2007-09-06 2010-09-28 Wolo Mfg. Corp. Electropneumatic horn system
US9024736B2 (en) * 2012-07-03 2015-05-05 Fisa Italia S.R.L. Electro-pneumatic sound alarm
US10609474B2 (en) 2017-10-18 2020-03-31 xMEMS Labs, Inc. Air pulse generating element and manufacturing method thereof
US10425732B1 (en) * 2018-04-05 2019-09-24 xMEMS Labs, Inc. Sound producing device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125752A (en) * 1964-03-17 burns
US3137846A (en) * 1958-12-10 1964-06-16 Kenneth Tower Electronic sirens
CH409715A (fr) * 1964-01-28 1966-03-15 Micheloud Andre Générateur électro-acoustique
CH1080564A4 (de) * 1964-08-18 1966-05-14
GB1046747A (en) * 1964-08-28 1966-10-26 Lucas Industries Ltd Electromagnetic horns
US3432849A (en) * 1966-04-29 1969-03-11 Leonard E Earling Sound generator
GB1121261A (en) * 1966-06-27 1968-07-24 Lucas Industries Ltd Electromagnetic horns
US3440648A (en) * 1968-05-09 1969-04-22 Mallory & Co Inc P R Integrated-circuit amplifier and oscillator

Also Published As

Publication number Publication date
CA986754A (en) 1976-04-06
NL7115306A (de) 1972-05-09
DE2155472C3 (de) 1981-05-07
SE390462B (sv) 1976-12-20
GB1376433A (en) 1974-12-04
DE2155472A1 (de) 1972-05-10
DE2155472B2 (de) 1980-07-03
US3846792A (en) 1974-11-05
FR2113679A5 (de) 1972-06-23

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