CA925234A - Telephone transfer circuit actuated by calling signal - Google Patents

Telephone transfer circuit actuated by calling signal

Info

Publication number
CA925234A
CA925234A CA925234A CA925234DA CA925234A CA 925234 A CA925234 A CA 925234A CA 925234 A CA925234 A CA 925234A CA 925234D A CA925234D A CA 925234DA CA 925234 A CA925234 A CA 925234A
Authority
CA
Canada
Prior art keywords
transfer circuit
calling signal
telephone transfer
circuit actuated
actuated
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
CA925234A
Inventor
G. Cartwright Delmar
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 Canada Inc
Original Assignee
Bell Canada 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 Bell Canada Inc filed Critical Bell Canada Inc
Application granted granted Critical
Publication of CA925234A publication Critical patent/CA925234A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CA925234A 1971-03-29 1971-03-29 Telephone transfer circuit actuated by calling signal Expired CA925234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA108905 1971-03-29

Publications (1)

Publication Number Publication Date
CA925234A true CA925234A (en) 1973-04-24

Family

ID=4089190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA925234A Expired CA925234A (en) 1971-03-29 1971-03-29 Telephone transfer circuit actuated by calling signal

Country Status (1)

Country Link
CA (1) CA925234A (en)

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