FR2187174A5 - - Google Patents

Info

Publication number
FR2187174A5
FR2187174A5 FR7318664A FR7318664A FR2187174A5 FR 2187174 A5 FR2187174 A5 FR 2187174A5 FR 7318664 A FR7318664 A FR 7318664A FR 7318664 A FR7318664 A FR 7318664A FR 2187174 A5 FR2187174 A5 FR 2187174A5
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.)
Expired
Application number
FR7318664A
Other languages
French (fr)
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Application granted granted Critical
Publication of FR2187174A5 publication Critical patent/FR2187174A5/fr
Expired 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR7318664A 1972-05-26 1973-05-23 Expired FR2187174A5 (ref)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24869/72A IT955867B (it) 1972-05-26 1972-05-26 Avvisatore acustico elettromagne tico particolarmente per autovei coli

Publications (1)

Publication Number Publication Date
FR2187174A5 true FR2187174A5 (ref) 1974-01-11

Family

ID=11214987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318664A Expired FR2187174A5 (ref) 1972-05-26 1973-05-23

Country Status (7)

Country Link
AR (1) AR197606A1 (ref)
DE (1) DE2325838A1 (ref)
ES (1) ES415228A1 (ref)
FR (1) FR2187174A5 (ref)
IT (1) IT955867B (ref)
SU (1) SU505376A3 (ref)
ZA (1) ZA732954B (ref)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057848A1 (en) * 2000-02-04 2001-08-09 Stebel Spa Signal-horn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057848A1 (en) * 2000-02-04 2001-08-09 Stebel Spa Signal-horn

Also Published As

Publication number Publication date
SU505376A3 (ru) 1976-02-28
AR197606A1 (es) 1974-04-23
ZA732954B (en) 1974-04-24
ES415228A1 (es) 1976-02-01
IT955867B (it) 1973-09-29
DE2325838A1 (de) 1973-12-13

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Legal Events

Date Code Title Description
ST Notification of lapse