FR637944A - écran sonore - Google Patents

écran sonore

Info

Publication number
FR637944A
FR637944A FR637944DA FR637944A FR 637944 A FR637944 A FR 637944A FR 637944D A FR637944D A FR 637944DA FR 637944 A FR637944 A FR 637944A
Authority
FR
France
Prior art keywords
sound screen
sound
screen
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)
Inventor
Pierre Picard
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 FR637944A publication Critical patent/FR637944A/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
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR637944D 1926-11-25 1926-11-25 écran sonore Expired FR637944A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR637944T 1926-11-25

Publications (1)

Publication Number Publication Date
FR637944A true FR637944A (fr) 1928-05-11

Family

ID=8995671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637944D Expired FR637944A (fr) 1926-11-25 1926-11-25 écran sonore

Country Status (1)

Country Link
FR (1) FR637944A (fr)

Similar Documents

Publication Publication Date Title
FR616738A (fr) Haut-parleur
FR612462A (fr) Haut-parleur
FR637944A (fr) écran sonore
FR642963A (fr) Microtéléphone
FR617464A (fr) Haut-parleur
FR619105A (fr) Paravent
FR645292A (fr) Microphone
FR631211A (fr) Haut-parleur
FR623891A (fr) Haut-parleur
FR621997A (fr) Haut-parleur
FR632295A (fr) Haut-parleur
FR611814A (fr) Haut-parleur
FR638086A (fr) Haut-parleur
FR650002A (fr) Phonographe
FR632091A (fr) Haut-parleur perfectionné
FR616183A (fr) Haut-parleur mixte
FR626327A (fr) Perfectionnements aux bluteries
DK41476C (da) Højttaler.
FI11067A (fi) Ångmätare
FI11108A (fi) Sädessorterare
FI11043A (fi) Knästrumpskyddare
FI11054A (fi) Järnvägsbuffert
FI11056A (fi) Elektriskt säkerhetsstycke
FI11147A (fi) Slåttermaskin
FI11084A (fi) Ihopsättbar kälke