FR694904A - Oscillateur à diaphragme - Google Patents

Oscillateur à diaphragme

Info

Publication number
FR694904A
FR694904A FR694904DA FR694904A FR 694904 A FR694904 A FR 694904A FR 694904D A FR694904D A FR 694904DA FR 694904 A FR694904 A FR 694904A
Authority
FR
France
Prior art keywords
diaphragm oscillator
oscillator
diaphragm
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR694904A publication Critical patent/FR694904A/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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR694904D 1929-10-31 1930-05-03 Oscillateur à diaphragme Expired FR694904A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US694904XA 1929-10-31 1929-10-31

Publications (1)

Publication Number Publication Date
FR694904A true FR694904A (fr) 1930-12-09

Family

ID=22089333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR694904D Expired FR694904A (fr) 1929-10-31 1930-05-03 Oscillateur à diaphragme

Country Status (1)

Country Link
FR (1) FR694904A (fr)

Similar Documents

Publication Publication Date Title
FR692281A (fr) Diaphragme accoustique perfectionné
FR673850A (fr) Perfectionnements aux pompes à diaphragme
FR694904A (fr) Oscillateur à diaphragme
FR703120A (fr) Indicateur à balancier
FR669880A (fr) Interféromètre
FR681023A (fr) Diaphragme phonographique
FR689893A (fr) Compresseur à membrane
FR679875A (fr) Valve à diaphragme
FR671111A (fr) Chronographe. - compteur simplifié
FR677573A (fr) électrolyseur à diaphragme et circulation
FR660215A (fr) Diaphragme perfectionné
FR37688E (fr) étui-miroir
FR708553A (fr) Instrument à dessiner
FR670630A (fr) Piano
FR611086A (fr) Obturateur à diaphragme
FR699663A (fr) Ringard à défourner
FR700075A (fr) Projecteurs
FR691509A (fr) Altimètre
ES114620A1 (es) Diafragma sonoro.
FR695121A (fr) Film sonore
FR704009A (fr) Film sonore
FR684570A (fr) Projecteur
FR671925A (fr) Projecteur
FR669008A (fr) Projecteur
FR682690A (fr) Perfectionnements à la fabrication des allumettes