FR468025A - Perfectionnements aux signaux acoustiques électriques - Google Patents

Perfectionnements aux signaux acoustiques électriques

Info

Publication number
FR468025A
FR468025A FR468025DA FR468025A FR 468025 A FR468025 A FR 468025A FR 468025D A FR468025D A FR 468025DA FR 468025 A FR468025 A FR 468025A
Authority
FR
France
Prior art keywords
acoustic signals
electrical acoustic
electrical
signals
acoustic
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
English (en)
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.)
Thomas Grosbee & Sons Ltd
Original Assignee
Thomas Grosbee & Sons 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 Thomas Grosbee & Sons Ltd filed Critical Thomas Grosbee & Sons Ltd
Application granted granted Critical
Publication of FR468025A publication Critical patent/FR468025A/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
    • 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
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR468025D 1914-02-04 1914-02-04 Perfectionnements aux signaux acoustiques électriques Expired FR468025A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR468025T 1914-02-04

Publications (1)

Publication Number Publication Date
FR468025A true FR468025A (fr) 1914-06-26

Family

ID=1506616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR468025D Expired FR468025A (fr) 1914-02-04 1914-02-04 Perfectionnements aux signaux acoustiques électriques

Country Status (1)

Country Link
FR (1) FR468025A (fr)

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