CA238592A - Sound receiving apparatus - Google Patents

Sound receiving apparatus

Info

Publication number
CA238592A
CA238592A CA238592A CA238592DA CA238592A CA 238592 A CA238592 A CA 238592A CA 238592 A CA238592 A CA 238592A CA 238592D A CA238592D A CA 238592DA CA 238592 A CA238592 A CA 238592A
Authority
CA
Canada
Prior art keywords
receiving apparatus
sound receiving
sound
receiving
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
CA238592A
Other languages
French (fr)
Inventor
L. Walker William
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.)
WALKER SIGNAL AND EQUIPMENT Co
Original Assignee
WALKER SIGNAL AND EQUIPMENT Co
Publication date
Application granted granted Critical
Publication of CA238592A publication Critical patent/CA238592A/en
Expired legal-status Critical Current

Links

CA238592A Sound receiving apparatus Expired CA238592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238592T

Publications (1)

Publication Number Publication Date
CA238592A true CA238592A (en) 1924-03-11

Family

ID=35142623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238592A Expired CA238592A (en) Sound receiving apparatus

Country Status (1)

Country Link
CA (1) CA238592A (en)

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