FR826638A - Sound wave generator - Google Patents

Sound wave generator

Info

Publication number
FR826638A
FR826638A FR826638DA FR826638A FR 826638 A FR826638 A FR 826638A FR 826638D A FR826638D A FR 826638DA FR 826638 A FR826638 A FR 826638A
Authority
FR
France
Prior art keywords
sound wave
wave generator
generator
sound
wave
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR826638A publication Critical patent/FR826638A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00Whistles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR826638D 1936-09-12 1937-09-13 Sound wave generator Expired FR826638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US826638XA 1936-09-12 1936-09-12

Publications (1)

Publication Number Publication Date
FR826638A true FR826638A (en) 1938-04-06

Family

ID=22172604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826638D Expired FR826638A (en) 1936-09-12 1937-09-13 Sound wave generator

Country Status (1)

Country Link
FR (1) FR826638A (en)

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