AU5509273A - Frequency selective network for telephone subset - Google Patents

Frequency selective network for telephone subset

Info

Publication number
AU5509273A
AU5509273A AU55092/73A AU5509273A AU5509273A AU 5509273 A AU5509273 A AU 5509273A AU 55092/73 A AU55092/73 A AU 55092/73A AU 5509273 A AU5509273 A AU 5509273A AU 5509273 A AU5509273 A AU 5509273A
Authority
AU
Australia
Prior art keywords
frequency selective
selective network
telephone subset
subset
telephone
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
AU55092/73A
Inventor
Alan Burgess David
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
Publication of AU5509273A publication Critical patent/AU5509273A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/50Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
AU55092/73A 1972-05-11 1973-05-02 Frequency selective network for telephone subset Expired AU5509273A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2212972A GB1386700A (en) 1972-05-11 1972-05-11 Voice frequency signaling arrangement for telephone subset
GBGB22129/72 1972-05-11

Publications (1)

Publication Number Publication Date
AU5509273A true AU5509273A (en) 1974-11-07

Family

ID=10174367

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55092/73A Expired AU5509273A (en) 1972-05-11 1973-05-02 Frequency selective network for telephone subset

Country Status (2)

Country Link
AU (1) AU5509273A (en)
GB (1) GB1386700A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719413B1 (en) * 1994-04-28 1996-07-26 Sextant Avionique Method for obtaining a resistance of determined value.

Also Published As

Publication number Publication date
GB1386700A (en) 1975-03-12

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