CA276293A - Electro-acoustic device - Google Patents

Electro-acoustic device

Info

Publication number
CA276293A
CA276293A CA276293A CA276293DA CA276293A CA 276293 A CA276293 A CA 276293A CA 276293 A CA276293 A CA 276293A CA 276293D A CA276293D A CA 276293DA CA 276293 A CA276293 A CA 276293A
Authority
CA
Canada
Prior art keywords
electro
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
CA276293A
Other languages
French (fr)
Inventor
P. Minton John
S. Ringel Abraham
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA276293A publication Critical patent/CA276293A/en
Expired legal-status Critical Current

Links

CA276293A Electro-acoustic device Expired CA276293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA276293T

Publications (1)

Publication Number Publication Date
CA276293A true CA276293A (en) 1927-12-13

Family

ID=35206325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA276293A Expired CA276293A (en) Electro-acoustic device

Country Status (1)

Country Link
CA (1) CA276293A (en)

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