CA614346A - Multi-group direct-access crossbar telephone switching system - Google Patents

Multi-group direct-access crossbar telephone switching system

Info

Publication number
CA614346A
CA614346A CA614346A CA614346DA CA614346A CA 614346 A CA614346 A CA 614346A CA 614346 A CA614346 A CA 614346A CA 614346D A CA614346D A CA 614346DA CA 614346 A CA614346 A CA 614346A
Authority
CA
Canada
Prior art keywords
switching system
telephone switching
group direct
crossbar telephone
access crossbar
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
CA614346A
Inventor
T. Sigo Arthur
W. Hutton Robert
J. Adams 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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA614346A publication Critical patent/CA614346A/en
Expired legal-status Critical Current

Links

CA614346A Multi-group direct-access crossbar telephone switching system Expired CA614346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA614346T

Publications (1)

Publication Number Publication Date
CA614346A true CA614346A (en) 1961-02-14

Family

ID=35856660

Family Applications (1)

Application Number Title Priority Date Filing Date
CA614346A Expired CA614346A (en) Multi-group direct-access crossbar telephone switching system

Country Status (1)

Country Link
CA (1) CA614346A (en)

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