FR1420084A - Générateur acoustique - Google Patents

Générateur acoustique

Info

Publication number
FR1420084A
FR1420084A FR1047A FR1047A FR1420084A FR 1420084 A FR1420084 A FR 1420084A FR 1047 A FR1047 A FR 1047A FR 1047 A FR1047 A FR 1047A FR 1420084 A FR1420084 A FR 1420084A
Authority
FR
France
Prior art keywords
acoustic generator
acoustic
generator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR1047A
Other languages
English (en)
Inventor
Andre Micheloud
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
Application granted granted Critical
Publication of FR1420084A publication Critical patent/FR1420084A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR1047A 1964-01-28 1965-01-06 Générateur acoustique Expired FR1420084A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH98464A CH409715A (fr) 1964-01-28 1964-01-28 Générateur électro-acoustique

Publications (1)

Publication Number Publication Date
FR1420084A true FR1420084A (fr) 1965-12-03

Family

ID=4199762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1047A Expired FR1420084A (fr) 1964-01-28 1965-01-06 Générateur acoustique

Country Status (3)

Country Link
CH (1) CH409715A (fr)
DE (1) DE1235194B (fr)
FR (1) FR1420084A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique
FR2440053A1 (fr) * 1978-10-27 1980-05-23 Klaxon Sa Avertisseur electromagnetique
FR2461320A1 (fr) * 1979-07-13 1981-01-30 Lectron Products Generateur de son

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376433A (en) * 1970-11-07 1974-12-04 Absalom R R Electric sound-producing device
JPS50126184U (fr) * 1974-03-29 1975-10-16
JPS50126185U (fr) * 1974-03-29 1975-10-16
JPS51100070U (fr) * 1975-02-10 1976-08-11
JPS5330296A (en) * 1976-09-01 1978-03-22 Seiko Instr & Electronics Ltd Electro-acoustic transducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025761B (de) * 1955-11-09 1958-03-06 Matth Hohner A G Harmonikafabr Elektroakustischer Sender, insbesondere fuer Signalgeraete
DE1150008B (de) * 1960-11-29 1963-06-06 Charbonnages De France Amplituden- und frequenzmoduliertes Horn
DE1868246U (de) * 1963-01-11 1963-02-28 Rau Swf Autozubehoer Elektromagnetisches signalhorn.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique
FR2440053A1 (fr) * 1978-10-27 1980-05-23 Klaxon Sa Avertisseur electromagnetique
FR2461320A1 (fr) * 1979-07-13 1981-01-30 Lectron Products Generateur de son

Also Published As

Publication number Publication date
CH409715A (fr) 1966-03-15
DE1235194B (de) 1967-02-23

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