FR2019100A1 - - Google Patents

Info

Publication number
FR2019100A1
FR2019100A1 FR6930193A FR6930193A FR2019100A1 FR 2019100 A1 FR2019100 A1 FR 2019100A1 FR 6930193 A FR6930193 A FR 6930193A FR 6930193 A FR6930193 A FR 6930193A FR 2019100 A1 FR2019100 A1 FR 2019100A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6930193A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOSCH
Original Assignee
BOSCH
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 filed Critical BOSCH
Publication of FR2019100A1 publication Critical patent/FR2019100A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR6930193A 1968-09-28 1969-09-04 Withdrawn FR2019100A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681791198 DE1791198A1 (de) 1968-09-28 1968-09-28 Elektromagnetisch betriebene Fanfare,insbesondere fuer Kraftfahrzeuge

Publications (1)

Publication Number Publication Date
FR2019100A1 true FR2019100A1 (fr) 1970-06-26

Family

ID=5707128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6930193A Withdrawn FR2019100A1 (fr) 1968-09-28 1969-09-04

Country Status (4)

Country Link
AT (1) AT299760B (fr)
DE (1) DE1791198A1 (fr)
FR (1) FR2019100A1 (fr)
GB (1) GB1216068A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335903A1 (fr) * 1975-12-19 1977-07-15 Klaxon Sa Perfectionnements aux trompes electro-acoustiques de signalisation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1315183B1 (it) * 2000-02-04 2003-02-03 Stebel Spa Avvisatore acustico

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335903A1 (fr) * 1975-12-19 1977-07-15 Klaxon Sa Perfectionnements aux trompes electro-acoustiques de signalisation

Also Published As

Publication number Publication date
AT299760B (de) 1972-06-26
GB1216068A (en) 1970-12-16
DE1791198A1 (de) 1971-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse