CA92377A - Signal pour exchanges telephoniques - Google Patents

Signal pour exchanges telephoniques

Info

Publication number
CA92377A
CA92377A CA000092377A CA92377DA CA92377A CA 92377 A CA92377 A CA 92377A CA 000092377 A CA000092377 A CA 000092377A CA 92377D A CA92377D A CA 92377DA CA 92377 A CA92377 A CA 92377A
Authority
CA
Canada
Prior art keywords
signal
telephone exchange
telephone
exchange
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
CA000092377A
Other languages
English (en)
Inventor
James Lawrence Mcquarrie
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 CA92377A publication Critical patent/CA92377A/fr
Expired legal-status Critical Current

Links

CA000092377A 1901-06-13 1901-06-13 Signal pour exchanges telephoniques Expired CA92377A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA92377T 1901-06-13

Publications (1)

Publication Number Publication Date
CA92377A true CA92377A (fr) 1905-03-28

Family

ID=45208912

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000092377A Expired CA92377A (fr) 1901-06-13 1901-06-13 Signal pour exchanges telephoniques

Country Status (1)

Country Link
CA (1) CA92377A (fr)

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