CA302106A - Direct acting sound reproducing device - Google Patents

Direct acting sound reproducing device

Info

Publication number
CA302106A
CA302106A CA302106A CA302106DA CA302106A CA 302106 A CA302106 A CA 302106A CA 302106 A CA302106 A CA 302106A CA 302106D A CA302106D A CA 302106DA CA 302106 A CA302106 A CA 302106A
Authority
CA
Canada
Prior art keywords
reproducing device
sound reproducing
direct acting
acting sound
direct
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
CA302106A
Other languages
French (fr)
Inventor
Mclean Nicholson Alexander
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.)
Federal Telegraph Co
Wired Radio Inc
Original Assignee
Federal Telegraph Co
Wired Radio Inc
Publication date
Application granted granted Critical
Publication of CA302106A publication Critical patent/CA302106A/en
Expired legal-status Critical Current

Links

CA302106A Direct acting sound reproducing device Expired CA302106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA302106T

Publications (1)

Publication Number Publication Date
CA302106A true CA302106A (en) 1930-07-15

Family

ID=35255252

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302106A Expired CA302106A (en) Direct acting sound reproducing device

Country Status (1)

Country Link
CA (1) CA302106A (en)

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