AU511713B2 - Telephone line circuit - Google Patents

Telephone line circuit

Info

Publication number
AU511713B2
AU511713B2 AU32195/78A AU3219578A AU511713B2 AU 511713 B2 AU511713 B2 AU 511713B2 AU 32195/78 A AU32195/78 A AU 32195/78A AU 3219578 A AU3219578 A AU 3219578A AU 511713 B2 AU511713 B2 AU 511713B2
Authority
AU
Australia
Prior art keywords
telephone line
line circuit
circuit
telephone
line
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
AU32195/78A
Other versions
AU3219578A (en
Inventor
JC. C. Heinandez P. Reynes D. F. Bozzuffi J-P. L. and Tu N. H Grange
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 Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to AU32195/78A priority Critical patent/AU511713B2/en
Publication of AU3219578A publication Critical patent/AU3219578A/en
Application granted granted Critical
Publication of AU511713B2 publication Critical patent/AU511713B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/026—Arrangements for interrupting the ringing current

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
AU32195/78A 1978-01-05 1978-01-05 Telephone line circuit Expired AU511713B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU32195/78A AU511713B2 (en) 1978-01-05 1978-01-05 Telephone line circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU32195/78A AU511713B2 (en) 1978-01-05 1978-01-05 Telephone line circuit

Publications (2)

Publication Number Publication Date
AU3219578A AU3219578A (en) 1979-07-12
AU511713B2 true AU511713B2 (en) 1980-09-04

Family

ID=3719753

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32195/78A Expired AU511713B2 (en) 1978-01-05 1978-01-05 Telephone line circuit

Country Status (1)

Country Link
AU (1) AU511713B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1240085A (en) * 1984-05-30 1988-08-02 Kenji Takato Calling signal transmission apparatus

Also Published As

Publication number Publication date
AU3219578A (en) 1979-07-12

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