FR1018669A - Device for modifying the timbre of the sound emitted by the warning devices - Google Patents

Device for modifying the timbre of the sound emitted by the warning devices

Info

Publication number
FR1018669A
FR1018669A FR1018669DA FR1018669A FR 1018669 A FR1018669 A FR 1018669A FR 1018669D A FR1018669D A FR 1018669DA FR 1018669 A FR1018669 A FR 1018669A
Authority
FR
France
Prior art keywords
timbre
modifying
sound emitted
warning devices
warning
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
Other languages
French (fr)
Inventor
Giovanni Bologna
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 FR1018669A publication Critical patent/FR1018669A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D7/00—General design of wind musical instruments
    • G10D7/12—Free-reed wind instruments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00—Details of, or accessories for, wind musical instruments

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1018669D 1950-05-22 1950-05-22 Device for modifying the timbre of the sound emitted by the warning devices Expired FR1018669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1018669T 1950-05-22

Publications (1)

Publication Number Publication Date
FR1018669A true FR1018669A (en) 1953-01-12

Family

ID=9575172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018669D Expired FR1018669A (en) 1950-05-22 1950-05-22 Device for modifying the timbre of the sound emitted by the warning devices

Country Status (1)

Country Link
FR (1) FR1018669A (en)

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