CA94343A - Signal pour commutateurs de telephone - Google Patents

Signal pour commutateurs de telephone

Info

Publication number
CA94343A
CA94343A CA000094343A CA94343DA CA94343A CA 94343 A CA94343 A CA 94343A CA 000094343 A CA000094343 A CA 000094343A CA 94343D A CA94343D A CA 94343DA CA 94343 A CA94343 A CA 94343A
Authority
CA
Canada
Prior art keywords
signal
telephone switchboards
switchboards
telephone
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
CA000094343A
Other languages
English (en)
Inventor
Edwin Hutchison Smythe
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA94343A publication Critical patent/CA94343A/fr
Expired legal-status Critical Current

Links

CA000094343A 1905-05-08 1905-05-08 Signal pour commutateurs de telephone Expired CA94343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA94343T 1905-05-08

Publications (1)

Publication Number Publication Date
CA94343A true CA94343A (fr) 1905-07-25

Family

ID=45210877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000094343A Expired CA94343A (fr) 1905-05-08 1905-05-08 Signal pour commutateurs de telephone

Country Status (1)

Country Link
CA (1) CA94343A (fr)

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