NL7203468A - - Google Patents

Info

Publication number
NL7203468A
NL7203468A NL7203468A NL7203468A NL7203468A NL 7203468 A NL7203468 A NL 7203468A NL 7203468 A NL7203468 A NL 7203468A NL 7203468 A NL7203468 A NL 7203468A NL 7203468 A NL7203468 A NL 7203468A
Authority
NL
Netherlands
Application number
NL7203468A
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 filed Critical
Publication of NL7203468A publication Critical patent/NL7203468A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62—Keyboard equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Exchange Systems With Centralized Control (AREA)
NL7203468A 1971-03-17 1972-03-16 NL7203468A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7109327A FR2129160A5 (enrdf_load_stackoverflow) 1971-03-17 1971-03-17

Publications (1)

Publication Number Publication Date
NL7203468A true NL7203468A (enrdf_load_stackoverflow) 1972-09-19

Family

ID=9073681

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7203468A NL7203468A (enrdf_load_stackoverflow) 1971-03-17 1972-03-16

Country Status (8)

Country Link
BE (1) BE780114A (enrdf_load_stackoverflow)
CH (1) CH559492A5 (enrdf_load_stackoverflow)
DE (1) DE2212841A1 (enrdf_load_stackoverflow)
FR (1) FR2129160A5 (enrdf_load_stackoverflow)
GB (1) GB1380461A (enrdf_load_stackoverflow)
IT (1) IT952986B (enrdf_load_stackoverflow)
NL (1) NL7203468A (enrdf_load_stackoverflow)
SE (1) SE385258B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH559492A5 (enrdf_load_stackoverflow) 1975-02-28
IT952986B (it) 1973-07-30
SE385258B (sv) 1976-06-14
BE780114A (fr) 1972-09-04
FR2129160A5 (enrdf_load_stackoverflow) 1972-10-27
DE2212841A1 (de) 1972-09-28
GB1380461A (en) 1975-01-15

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed