FR43130E - Rational resonator - Google Patents

Rational resonator

Info

Publication number
FR43130E
FR43130E FR43130DA FR43130E FR 43130 E FR43130 E FR 43130E FR 43130D A FR43130D A FR 43130DA FR 43130 E FR43130 E FR 43130E
Authority
FR
France
Prior art keywords
resonator
rational
rational resonator
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
Henri-Armand Souciet
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 FR43130E publication Critical patent/FR43130E/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
    • 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
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR43130D 1933-02-28 1933-02-28 Rational resonator Expired FR43130E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43130T 1933-02-28

Publications (1)

Publication Number Publication Date
FR43130E true FR43130E (en) 1934-02-12

Family

ID=8679131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43130D Expired FR43130E (en) 1933-02-28 1933-02-28 Rational resonator

Country Status (1)

Country Link
FR (1) FR43130E (en)

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