AU1062376A - Telephone monitoring device - Google Patents

Telephone monitoring device

Info

Publication number
AU1062376A
AU1062376A AU10623/76A AU1062376A AU1062376A AU 1062376 A AU1062376 A AU 1062376A AU 10623/76 A AU10623/76 A AU 10623/76A AU 1062376 A AU1062376 A AU 1062376A AU 1062376 A AU1062376 A AU 1062376A
Authority
AU
Australia
Prior art keywords
monitoring device
telephone monitoring
telephone
monitoring
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
AU10623/76A
Inventor
Peter Denis Ward
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.)
Ward P D
Original Assignee
Ward P D
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 Ward P D filed Critical Ward P D
Publication of AU1062376A publication Critical patent/AU1062376A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/80—Telephone line holding circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
AU10623/76A 1975-01-28 1975-01-28 Telephone monitoring device Expired AU1062376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU38275 1975-01-28

Publications (1)

Publication Number Publication Date
AU1062376A true AU1062376A (en) 1977-08-04

Family

ID=3691163

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10623/76A Expired AU1062376A (en) 1975-01-28 1975-01-28 Telephone monitoring device

Country Status (1)

Country Link
AU (1) AU1062376A (en)

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