CA312222A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA312222A
CA312222A CA312222A CA312222DA CA312222A CA 312222 A CA312222 A CA 312222A CA 312222 A CA312222 A CA 312222A CA 312222D A CA312222D A CA 312222DA CA 312222 A CA312222 A CA 312222A
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
CA312222A
Other languages
English (en)
Inventor
C. Harrison Henry
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
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA312222A publication Critical patent/CA312222A/fr
Expired legal-status Critical Current

Links

CA312222A Dispositif acoustique Expired CA312222A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312222T

Publications (1)

Publication Number Publication Date
CA312222A true CA312222A (fr) 1931-06-09

Family

ID=35271548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312222A Expired CA312222A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA312222A (fr)

Similar Documents

Publication Publication Date Title
CA312222A (fr) Dispositif acoustique
CA309113A (fr) Dispositif acoustique
CA309114A (fr) Dispositif acoustique
CA314684A (fr) Dispositif acoustique
CA316174A (fr) Dispositif acoustique
CA316785A (fr) Dispositif acoustique
CA316786A (fr) Dispositif acoustique
CA307838A (fr) Dispositif piezo-electrique
CA307839A (fr) Dispositif piezo-electrique
CA307840A (fr) Dispositif piezo-electrique
CA314156A (fr) Appareil acoustique
CA308259A (fr) Dispositif d'enseignement des chiffres
CA309155A (fr) Dispositif de mesure du pieds
CA310167A (fr) Dispositif a faconner la tete de cigares
CA310615A (fr) Dispositif a nettoyer les tubes
CA313533A (fr) Dispositif a capter la carotte-temoin
CA316523A (fr) Dispositif de flottage du minerai
CA308326A (fr) Dispositif a produire des sons
CA310879A (fr) Dispositif a production de sons
CA308980A (fr) Dispositif de retenue
CA298642A (fr) Dispositif acoustique
CA300628A (fr) Dispositif acoustique
CA323988A (fr) Dispositif acoustique
CA324865A (fr) Dispositif acoustique
CA325039A (fr) Dispositif acoustique