CA571758A - Circuit de sonnerie - Google Patents

Circuit de sonnerie

Info

Publication number
CA571758A
CA571758A CA571758A CA571758DA CA571758A CA 571758 A CA571758 A CA 571758A CA 571758 A CA571758 A CA 571758A CA 571758D A CA571758D A CA 571758DA CA 571758 A CA571758 A CA 571758A
Authority
CA
Canada
Prior art keywords
ringing circuit
carrier
carrier ringing
circuit
ringing
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
CA571758A
Other languages
English (en)
Inventor
A. Weber Laurance
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 Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA571758A publication Critical patent/CA571758A/fr
Expired legal-status Critical Current

Links

CA571758A Circuit de sonnerie Expired CA571758A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA571758T

Publications (1)

Publication Number Publication Date
CA571758A true CA571758A (fr) 1959-03-03

Family

ID=35744314

Family Applications (1)

Application Number Title Priority Date Filing Date
CA571758A Expired CA571758A (fr) Circuit de sonnerie

Country Status (1)

Country Link
CA (1) CA571758A (fr)

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