AU7266974A - Improvements in dialling arrangements - Google Patents

Improvements in dialling arrangements

Info

Publication number
AU7266974A
AU7266974A AU72669/74A AU7266974A AU7266974A AU 7266974 A AU7266974 A AU 7266974A AU 72669/74 A AU72669/74 A AU 72669/74A AU 7266974 A AU7266974 A AU 7266974A AU 7266974 A AU7266974 A AU 7266974A
Authority
AU
Australia
Prior art keywords
dialling
arrangements
dialling arrangements
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
AU72669/74A
Inventor
Robert Harry Padgett
Ross Andrewartha
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia Ltd
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 Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Publication of AU7266974A publication Critical patent/AU7266974A/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
    • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
    • H04M1/27495—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips implemented by means of discrete electronic components, i.e. neither programmable nor microprocessor-controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
AU72669/74A 1973-11-09 1973-11-09 Improvements in dialling arrangements Expired AU7266974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU559873 1973-11-09

Publications (1)

Publication Number Publication Date
AU7266974A true AU7266974A (en) 1976-02-26

Family

ID=3696063

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72669/74A Expired AU7266974A (en) 1973-11-09 1973-11-09 Improvements in dialling arrangements

Country Status (1)

Country Link
AU (1) AU7266974A (en)

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