CA68934A - Signal pour lignes de telephone - Google Patents

Signal pour lignes de telephone

Info

Publication number
CA68934A
CA68934A CA000068934A CA68934DA CA68934A CA 68934 A CA68934 A CA 68934A CA 000068934 A CA000068934 A CA 000068934A CA 68934D A CA68934D A CA 68934DA CA 68934 A CA68934 A CA 68934A
Authority
CA
Canada
Prior art keywords
telephone line
line signal
signal
telephone
line
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
CA000068934A
Other languages
English (en)
Inventor
Charles Ezra Scribner
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 CA68934A publication Critical patent/CA68934A/fr
Expired legal-status Critical Current

Links

CA000068934A 1898-12-09 1898-12-09 Signal pour lignes de telephone Expired CA68934A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68934T 1898-12-09

Publications (1)

Publication Number Publication Date
CA68934A true CA68934A (fr) 1900-10-08

Family

ID=45185472

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000068934A Expired CA68934A (fr) 1898-12-09 1898-12-09 Signal pour lignes de telephone

Country Status (1)

Country Link
CA (1) CA68934A (fr)

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