CA447161A - Appareil a capter les sons - Google Patents

Appareil a capter les sons

Info

Publication number
CA447161A
CA447161A CA447161A CA447161DA CA447161A CA 447161 A CA447161 A CA 447161A CA 447161 A CA447161 A CA 447161A CA 447161D A CA447161D A CA 447161DA CA 447161 A CA447161 A CA 447161A
Authority
CA
Canada
Prior art keywords
pickup apparatus
sound pickup
sound
pickup
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
CA447161A
Other languages
English (en)
Inventor
Rettinger Michael
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA447161A publication Critical patent/CA447161A/fr
Expired legal-status Critical Current

Links

CA447161A Appareil a capter les sons Expired CA447161A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447161T

Publications (1)

Publication Number Publication Date
CA447161A true CA447161A (fr) 1948-03-09

Family

ID=35564840

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447161A Expired CA447161A (fr) Appareil a capter les sons

Country Status (1)

Country Link
CA (1) CA447161A (fr)

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