AU579749B2 - A ring signal detector - Google Patents

A ring signal detector

Info

Publication number
AU579749B2
AU579749B2 AU62780/86A AU6278086A AU579749B2 AU 579749 B2 AU579749 B2 AU 579749B2 AU 62780/86 A AU62780/86 A AU 62780/86A AU 6278086 A AU6278086 A AU 6278086A AU 579749 B2 AU579749 B2 AU 579749B2
Authority
AU
Australia
Prior art keywords
signal detector
ring signal
ring
detector
signal
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.)
Ceased
Application number
AU62780/86A
Other versions
AU6278086A (en
Inventor
Peter Anton Goode
Stuart Thomas Hunt
Raiko Miletich
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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 Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU62780/86A priority Critical patent/AU579749B2/en
Publication of AU6278086A publication Critical patent/AU6278086A/en
Application granted granted Critical
Publication of AU579749B2 publication Critical patent/AU579749B2/en
Assigned to ALCATEL AUSTRALIA LIMITED reassignment ALCATEL AUSTRALIA LIMITED Request to Amend Deed and Register Assignors: STANDARD TELEPHONES AND CABLES PTY. LIMITED
Anticipated expiration legal-status Critical
Ceased 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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
AU62780/86A 1982-03-24 1986-09-18 A ring signal detector Ceased AU579749B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62780/86A AU579749B2 (en) 1982-03-24 1986-09-18 A ring signal detector

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU329082 1982-03-24
AUPF3290 1982-03-24
AU62780/86A AU579749B2 (en) 1982-03-24 1986-09-18 A ring signal detector

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU12563/83A Division AU556924B2 (en) 1982-03-24 1983-03-24 2-line power supply

Publications (2)

Publication Number Publication Date
AU6278086A AU6278086A (en) 1987-01-08
AU579749B2 true AU579749B2 (en) 1988-12-08

Family

ID=25610084

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62780/86A Ceased AU579749B2 (en) 1982-03-24 1986-09-18 A ring signal detector

Country Status (1)

Country Link
AU (1) AU579749B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU648104B2 (en) * 1990-09-17 1994-04-14 Nitsuko Corporation Circuit for transmitting voice signals and dial pulses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU512904B2 (en) * 1977-01-24 1980-11-06 Sits Soc It Telecom Siemens Subscriber set acoustic call receiving circuit
AU557025B2 (en) * 1982-04-26 1986-12-04 Alcatel N.V. Digital supervisory circuit
AU561318B2 (en) * 1984-02-15 1987-05-07 Fujitsu Limited Line circuit for driving a ringer and a service indicating lamp in a telephone set

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU512904B2 (en) * 1977-01-24 1980-11-06 Sits Soc It Telecom Siemens Subscriber set acoustic call receiving circuit
AU557025B2 (en) * 1982-04-26 1986-12-04 Alcatel N.V. Digital supervisory circuit
AU561318B2 (en) * 1984-02-15 1987-05-07 Fujitsu Limited Line circuit for driving a ringer and a service indicating lamp in a telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU648104B2 (en) * 1990-09-17 1994-04-14 Nitsuko Corporation Circuit for transmitting voice signals and dial pulses

Also Published As

Publication number Publication date
AU6278086A (en) 1987-01-08

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