CA582834A - Telephone and microphone - Google Patents

Telephone and microphone

Info

Publication number
CA582834A
CA582834A CA582834A CA582834DA CA582834A CA 582834 A CA582834 A CA 582834A CA 582834 A CA582834 A CA 582834A CA 582834D A CA582834D A CA 582834DA CA 582834 A CA582834 A CA 582834A
Authority
CA
Canada
Prior art keywords
microphone
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
CA582834A
Other languages
French (fr)
Inventor
Schenkel Gerrit
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application granted granted Critical
Publication of CA582834A publication Critical patent/CA582834A/en
Expired legal-status Critical Current

Links

CA582834A Telephone and microphone Expired CA582834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA582834T

Publications (1)

Publication Number Publication Date
CA582834A true CA582834A (en) 1959-09-08

Family

ID=35762271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA582834A Expired CA582834A (en) Telephone and microphone

Country Status (1)

Country Link
CA (1) CA582834A (en)

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