CA68809A - Signal de telephone - Google Patents

Signal de telephone

Info

Publication number
CA68809A
CA68809A CA000068809A CA68809DA CA68809A CA 68809 A CA68809 A CA 68809A CA 000068809 A CA000068809 A CA 000068809A CA 68809D A CA68809D A CA 68809DA CA 68809 A CA68809 A CA 68809A
Authority
CA
Canada
Prior art keywords
telephone signal
telephone
signal
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
CA000068809A
Other languages
English (en)
Inventor
Frank Robert Mcbirty
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA68809A publication Critical patent/CA68809A/fr
Expired legal-status Critical Current

Links

CA000068809A 1896-11-05 1896-11-05 Signal de telephone Expired CA68809A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68809T 1896-11-05

Publications (1)

Publication Number Publication Date
CA68809A true CA68809A (fr) 1900-09-24

Family

ID=45185347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000068809A Expired CA68809A (fr) 1896-11-05 1896-11-05 Signal de telephone

Country Status (1)

Country Link
CA (1) CA68809A (fr)

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