CA290065A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA290065A
CA290065A CA290065A CA290065DA CA290065A CA 290065 A CA290065 A CA 290065A CA 290065 A CA290065 A CA 290065A CA 290065D A CA290065D A CA 290065DA CA 290065 A CA290065 A CA 290065A
Authority
CA
Canada
Prior art keywords
acoustic device
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
CA290065A
Other languages
English (en)
Inventor
H. Ricker Norman
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.)
AT&T Corp
International Western Electric Co Inc
Original Assignee
Western Electric Co Inc
International Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA290065A publication Critical patent/CA290065A/fr
Expired legal-status Critical Current

Links

CA290065A Dispositif acoustique Expired CA290065A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290065T

Publications (1)

Publication Number Publication Date
CA290065A true CA290065A (fr) 1929-05-28

Family

ID=35226877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290065A Expired CA290065A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA290065A (fr)

Similar Documents

Publication Publication Date Title
CA293028A (fr) Dispositif acoustique
CA293035A (fr) Dispositif acoustique
CA293330A (fr) Dispositif acoustique
CA287240A (fr) Dispositif d'acoustique
CA289327A (fr) Dispositif acoustique
CA290065A (fr) Dispositif acoustique
CA291250A (fr) Dispositif acoustique
CA293622A (fr) Dispositif acoustique
CA293623A (fr) Dispositif acoustique
AU1699328A (en) Acoustic devices
CA293031A (fr) Appareil acoustique
CA289116A (fr) Dispositif sensible aux sons
CA293032A (fr) Dispositif a vibrations
CA287065A (fr) Dispositif a ecoter le tabac
CA287381A (fr) Dispositif d'encollage du fil
CA294747A (fr) Disposition d'injection de pierre a savon
CA296065A (fr) Dispositif de commande de portes
AU1392628A (en) Improvements in acoustic devices
CA289343A (fr) Film acoustique
CA294882A (fr) Plate acoustique
AU1595028A (en) Acoustic device
CA292226A (fr) Instrument d'acoustique
CA294264A (fr) Dispositif electro-magnetique
CA267309A (fr) Dispositif d'acoustique
CA269111A (fr) Dispositif d'acoustique