CA856904A - Polarity sensitive voltage insertion circuit for long subscriber loops - Google Patents

Polarity sensitive voltage insertion circuit for long subscriber loops

Info

Publication number
CA856904A
CA856904A CA856904A CA856904DA CA856904A CA 856904 A CA856904 A CA 856904A CA 856904 A CA856904 A CA 856904A CA 856904D A CA856904D A CA 856904DA CA 856904 A CA856904 A CA 856904A
Authority
CA
Canada
Prior art keywords
insertion circuit
sensitive voltage
subscriber loops
polarity sensitive
voltage insertion
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
CA856904A
Inventor
Irving M. Mcnair, Jr.
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 CA856904A publication Critical patent/CA856904A/en
Expired legal-status Critical Current

Links

CA856904A Polarity sensitive voltage insertion circuit for long subscriber loops Expired CA856904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA856904T

Publications (1)

Publication Number Publication Date
CA856904A true CA856904A (en) 1970-11-24

Family

ID=36342433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA856904A Expired CA856904A (en) Polarity sensitive voltage insertion circuit for long subscriber loops

Country Status (1)

Country Link
CA (1) CA856904A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127747A (en) * 1977-09-23 1978-11-28 Northern Telecom Limited Voltage boost circuit for telephone systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127747A (en) * 1977-09-23 1978-11-28 Northern Telecom Limited Voltage boost circuit for telephone systems

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