CA219472A - Diaphragme de transmetteur telephonique - Google Patents

Diaphragme de transmetteur telephonique

Info

Publication number
CA219472A
CA219472A CA219472A CA219472DA CA219472A CA 219472 A CA219472 A CA 219472A CA 219472 A CA219472 A CA 219472A CA 219472D A CA219472D A CA 219472DA CA 219472 A CA219472 A CA 219472A
Authority
CA
Canada
Prior art keywords
diaphragm
telephone transmitters
transmitters
telephone
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
CA219472A
Other languages
English (en)
Inventor
Lambert Murray Robert
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.)
TELEPHONE MANUFACTURING Co (1920) Ltd
Original Assignee
TELEPHONE MANUFACTURING Co (1920) Ltd
Publication date
Application granted granted Critical
Publication of CA219472A publication Critical patent/CA219472A/fr
Expired legal-status Critical Current

Links

CA219472A Diaphragme de transmetteur telephonique Expired CA219472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA219472T

Publications (1)

Publication Number Publication Date
CA219472A true CA219472A (fr) 1922-06-06

Family

ID=35113916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219472A Expired CA219472A (fr) Diaphragme de transmetteur telephonique

Country Status (1)

Country Link
CA (1) CA219472A (fr)

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