CA841225A - Step-by-step telephone system with range extension - Google Patents

Step-by-step telephone system with range extension

Info

Publication number
CA841225A
CA841225A CA841225A CA841225DA CA841225A CA 841225 A CA841225 A CA 841225A CA 841225 A CA841225 A CA 841225A CA 841225D A CA841225D A CA 841225DA CA 841225 A CA841225 A CA 841225A
Authority
CA
Canada
Prior art keywords
telephone system
range extension
extension
range
step 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
CA841225A
Inventor
W. Zebe Charles
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
Publication date
Application granted granted Critical
Publication of CA841225A publication Critical patent/CA841225A/en
Expired legal-status Critical Current

Links

CA841225A Step-by-step telephone system with range extension Expired CA841225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA841225T

Publications (1)

Publication Number Publication Date
CA841225A true CA841225A (en) 1970-05-05

Family

ID=36325425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA841225A Expired CA841225A (en) Step-by-step telephone system with range extension

Country Status (1)

Country Link
CA (1) CA841225A (en)

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