BE884368A - Circuit de ligne de telephone a touches commande par une microcalculatrice - Google Patents

Circuit de ligne de telephone a touches commande par une microcalculatrice

Info

Publication number
BE884368A
BE884368A BE2/58656A BE2058656A BE884368A BE 884368 A BE884368 A BE 884368A BE 2/58656 A BE2/58656 A BE 2/58656A BE 2058656 A BE2058656 A BE 2058656A BE 884368 A BE884368 A BE 884368A
Authority
BE
Belgium
Prior art keywords
microcalculator
telephone line
line circuit
key telephone
circuit controlled
Prior art date
Application number
BE2/58656A
Other languages
English (en)
French (fr)
Inventor
T E White
P U Lind
Original Assignee
Gte Automatic Electric Lab Inc
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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE884368A publication Critical patent/BE884368A/fr

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
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/006—Exchange line circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE2/58656A 1979-10-03 1980-07-18 Circuit de ligne de telephone a touches commande par une microcalculatrice BE884368A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8158279A 1979-10-03 1979-10-03

Publications (1)

Publication Number Publication Date
BE884368A true BE884368A (fr) 1980-11-17

Family

ID=22165069

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58656A BE884368A (fr) 1979-10-03 1980-07-18 Circuit de ligne de telephone a touches commande par une microcalculatrice

Country Status (3)

Country Link
BE (1) BE884368A (it)
CA (1) CA1145496A (it)
IT (1) IT1132808B (it)

Also Published As

Publication number Publication date
IT8024996A0 (it) 1980-09-29
CA1145496A (en) 1983-04-26
IT1132808B (it) 1986-07-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19890731