CA69922A - Telephone signal - Google Patents

Telephone signal

Info

Publication number
CA69922A
CA69922A CA000069922A CA69922DA CA69922A CA 69922 A CA69922 A CA 69922A CA 000069922 A CA000069922 A CA 000069922A CA 69922D A CA69922D A CA 69922DA CA 69922 A CA69922 A CA 69922A
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
CA000069922A
Other languages
French (fr)
Inventor
Frank Robert Mcberty
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 CA69922A publication Critical patent/CA69922A/en
Expired legal-status Critical Current

Links

CA000069922A 1899-04-20 1899-04-20 Telephone signal Expired CA69922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA69922T 1899-04-20

Publications (1)

Publication Number Publication Date
CA69922A true CA69922A (en) 1901-01-22

Family

ID=45186460

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000069922A Expired CA69922A (en) 1899-04-20 1899-04-20 Telephone signal

Country Status (1)

Country Link
CA (1) CA69922A (en)

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