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FR1146954A - Sound generator for navigation - Google Patents

Sound generator for navigation

Info

Publication number
FR1146954A
FR1146954A FR1146954DA FR1146954A FR 1146954 A FR1146954 A FR 1146954A FR 1146954D A FR1146954D A FR 1146954DA FR 1146954 A FR1146954 A FR 1146954A
Authority
FR
France
Prior art keywords
navigation
sound generator
sound
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
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.)
STONE CHANCE Ltd
Original Assignee
STONE CHANCE Ltd
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 STONE CHANCE Ltd filed Critical STONE CHANCE Ltd
Application granted granted Critical
Publication of FR1146954A publication Critical patent/FR1146954A/en
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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
    • G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1146954D 1956-04-10 1956-04-10 Sound generator for navigation Expired FR1146954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1146954T 1956-04-10

Publications (1)

Publication Number Publication Date
FR1146954A true FR1146954A (en) 1957-11-18

Family

ID=9645662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146954D Expired FR1146954A (en) 1956-04-10 1956-04-10 Sound generator for navigation

Country Status (1)

Country Link
FR (1) FR1146954A (en)

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