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DE3066138D1 - Data handling circuits - Google Patents

Data handling circuits

Info

Publication number
DE3066138D1
DE3066138D1 DE8080301459T DE3066138T DE3066138D1 DE 3066138 D1 DE3066138 D1 DE 3066138D1 DE 8080301459 T DE8080301459 T DE 8080301459T DE 3066138 T DE3066138 T DE 3066138T DE 3066138 D1 DE3066138 D1 DE 3066138D1
Authority
DE
Germany
Prior art keywords
data handling
handling circuits
circuits
data
handling
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
DE8080301459T
Other languages
English (en)
Inventor
Robert Andrew Stevenson
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.)
General Electric Company PLC
Original Assignee
General Electric Company 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 General Electric Company PLC filed Critical General Electric Company PLC
Application granted granted Critical
Publication of DE3066138D1 publication Critical patent/DE3066138D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Selective Calling Equipment (AREA)
DE8080301459T 1979-05-04 1980-05-02 Data handling circuits Expired DE3066138D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7915674 1979-05-04
GB7915673 1979-05-04

Publications (1)

Publication Number Publication Date
DE3066138D1 true DE3066138D1 (en) 1984-02-23

Family

ID=26271414

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301459T Expired DE3066138D1 (en) 1979-05-04 1980-05-02 Data handling circuits

Country Status (7)

Country Link
EP (1) EP0018845B1 (de)
AU (1) AU533429B2 (de)
BR (1) BR8002715A (de)
CA (1) CA1145444A (de)
DE (1) DE3066138D1 (de)
IL (1) IL59949A (de)
NZ (1) NZ193561A (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1018270A (en) * 1972-05-23 1977-09-27 Federico R. Laliccia Key telephone system using time division and space division control
US3789154A (en) * 1972-12-11 1974-01-29 Bell Telephone Labor Inc Switchhook status signaling arrangement
FR2376578A1 (fr) * 1976-12-31 1978-07-28 Telecommunications Sa Position d'operatrice d'un central electronique

Also Published As

Publication number Publication date
BR8002715A (pt) 1980-12-16
EP0018845B1 (de) 1984-01-18
EP0018845A1 (de) 1980-11-12
NZ193561A (en) 1983-07-15
AU5790080A (en) 1980-11-06
CA1145444A (en) 1983-04-26
IL59949A (en) 1982-12-31
IL59949A0 (en) 1980-06-30
AU533429B2 (en) 1983-11-24

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee