AU419026B2 - Direct key calling telephone station having binary converting means - Google Patents

Direct key calling telephone station having binary converting means

Info

Publication number
AU419026B2
AU419026B2 AU23082/67A AU2308267A AU419026B2 AU 419026 B2 AU419026 B2 AU 419026B2 AU 23082/67 A AU23082/67 A AU 23082/67A AU 2308267 A AU2308267 A AU 2308267A AU 419026 B2 AU419026 B2 AU 419026B2
Authority
AU
Australia
Prior art keywords
converting means
telephone station
calling telephone
direct key
key calling
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
AU23082/67A
Other versions
AU2308267A (en
Inventor
Vaccaro & Frederick Eldon Dixon Angelo
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.)
Columbia Controls Research Corp
Original Assignee
Columbia Controls Research 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
Priority claimed from GB24273/67A external-priority patent/GB1155068A/en
Application filed by Columbia Controls Research Corp filed Critical Columbia Controls Research Corp
Priority to AU23082/67A priority Critical patent/AU419026B2/en
Priority to CH903667A priority patent/CH466380A/en
Priority to FR112200A priority patent/FR1529325A/en
Priority to DE19671537744 priority patent/DE1537744A1/en
Publication of AU2308267A publication Critical patent/AU2308267A/en
Application granted granted Critical
Publication of AU419026B2 publication Critical patent/AU419026B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/002Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
AU23082/67A 1967-05-25 1967-06-14 Direct key calling telephone station having binary converting means Expired AU419026B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU23082/67A AU419026B2 (en) 1967-05-25 1967-06-14 Direct key calling telephone station having binary converting means
CH903667A CH466380A (en) 1967-05-25 1967-06-26 Telephone private branch exchange with several subscriber stations
FR112200A FR1529325A (en) 1967-05-25 1967-06-28 Telephone set with direct call by keys comprising means for converting into binary
DE19671537744 DE1537744A1 (en) 1967-05-25 1967-07-04 Telephone subscriber station with call buttons

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB24273/67A GB1155068A (en) 1967-05-25 1967-05-25 Direct key calling telephone station having binary converting means
AU23082/67A AU419026B2 (en) 1967-05-25 1967-06-14 Direct key calling telephone station having binary converting means
DEC0042778 1967-07-04

Publications (2)

Publication Number Publication Date
AU2308267A AU2308267A (en) 1968-12-19
AU419026B2 true AU419026B2 (en) 1971-11-19

Family

ID=27152775

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23082/67A Expired AU419026B2 (en) 1967-05-25 1967-06-14 Direct key calling telephone station having binary converting means

Country Status (1)

Country Link
AU (1) AU419026B2 (en)

Also Published As

Publication number Publication date
AU2308267A (en) 1968-12-19

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