DE2325838A1 - Elektromagnetisches signalhorn - Google Patents

Elektromagnetisches signalhorn

Info

Publication number
DE2325838A1
DE2325838A1 DE2325838A DE2325838A DE2325838A1 DE 2325838 A1 DE2325838 A1 DE 2325838A1 DE 2325838 A DE2325838 A DE 2325838A DE 2325838 A DE2325838 A DE 2325838A DE 2325838 A1 DE2325838 A1 DE 2325838A1
Authority
DE
Germany
Prior art keywords
section
funnel
frequency
electromagnetic horn
horn according
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.)
Pending
Application number
DE2325838A
Other languages
German (de)
English (en)
Inventor
Rodolfo Pardi
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.)
Marelli Europe SpA
Original Assignee
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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of DE2325838A1 publication Critical patent/DE2325838A1/de
Pending 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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE2325838A 1972-05-26 1973-05-22 Elektromagnetisches signalhorn Pending DE2325838A1 (de)

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
DE2325838A1 true DE2325838A1 (de) 1973-12-13

Family

ID=11214987

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2325838A Pending DE2325838A1 (de) 1972-05-26 1973-05-22 Elektromagnetisches signalhorn

Country Status (7)

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

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

Also Published As

Publication number Publication date
ES415228A1 (es) 1976-02-01
IT955867B (it) 1973-09-29
ZA732954B (en) 1974-04-24
AR197606A1 (es) 1974-04-23
FR2187174A5 (https=) 1974-01-11
SU505376A3 (ru) 1976-02-28

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination