CA69790A - Telephone signal - Google Patents

Telephone signal

Info

Publication number
CA69790A
CA69790A CA000069790A CA69790DA CA69790A CA 69790 A CA69790 A CA 69790A CA 000069790 A CA000069790 A CA 000069790A CA 69790D A CA69790D A CA 69790DA CA 69790 A CA69790 A CA 69790A
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
CA000069790A
Other languages
French (fr)
Inventor
Newman Henry Holland
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 CA69790A publication Critical patent/CA69790A/en
Expired legal-status Critical Current

Links

CA000069790A 1900-04-19 1900-04-19 Telephone signal Expired CA69790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA69790T 1900-04-19

Publications (1)

Publication Number Publication Date
CA69790A true CA69790A (en) 1901-01-03

Family

ID=45186328

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000069790A Expired CA69790A (en) 1900-04-19 1900-04-19 Telephone signal

Country Status (1)

Country Link
CA (1) CA69790A (en)

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