CA243638A - Sound responsive device - Google Patents

Sound responsive device

Info

Publication number
CA243638A
CA243638A CA243638A CA243638DA CA243638A CA 243638 A CA243638 A CA 243638A CA 243638 A CA243638 A CA 243638A CA 243638D A CA243638D A CA 243638DA CA 243638 A CA243638 A CA 243638A
Authority
CA
Canada
Prior art keywords
responsive device
sound responsive
sound
responsive
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
CA243638A
Other languages
French (fr)
Inventor
F. Dodge Harold
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA243638A publication Critical patent/CA243638A/en
Expired legal-status Critical Current

Links

CA243638A Sound responsive device Expired CA243638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243638T

Publications (1)

Publication Number Publication Date
CA243638A true CA243638A (en) 1924-10-14

Family

ID=35147665

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243638A Expired CA243638A (en) Sound responsive device

Country Status (1)

Country Link
CA (1) CA243638A (en)

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