NL7311384A - - Google Patents

Info

Publication number
NL7311384A
NL7311384A NL7311384A NL7311384A NL7311384A NL 7311384 A NL7311384 A NL 7311384A NL 7311384 A NL7311384 A NL 7311384A NL 7311384 A NL7311384 A NL 7311384A NL 7311384 A NL7311384 A NL 7311384A
Authority
NL
Netherlands
Application number
NL7311384A
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 NL7311384A publication Critical patent/NL7311384A/xx

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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
NL7311384A 1972-08-23 1973-08-17 NL7311384A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28292172A 1972-08-23 1972-08-23

Publications (1)

Publication Number Publication Date
NL7311384A true NL7311384A (sv) 1974-02-26

Family

ID=23083695

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7311384A NL7311384A (sv) 1972-08-23 1973-08-17

Country Status (11)

Country Link
US (1) US3795776A (sv)
JP (1) JPS5830794B2 (sv)
AU (1) AU5933173A (sv)
BE (1) BE803833A (sv)
CA (1) CA984982A (sv)
DE (1) DE2341827C2 (sv)
FR (1) FR2197293B1 (sv)
GB (1) GB1436460A (sv)
IT (1) IT994635B (sv)
NL (1) NL7311384A (sv)
SE (1) SE394170B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991282A (en) * 1974-12-27 1976-11-09 Feil Thomas E Multi station telephone switching system
US4677662A (en) * 1984-08-23 1987-06-30 Lott Thomas M Multiple line self-contained telephone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239610A (en) * 1962-12-26 1966-03-08 Bell Telephone Labor Inc Line circuit for key telephone system
US3283083A (en) * 1963-03-13 1966-11-01 American Telephone & Telegraph Telephone subscriber's line circuit
US3436488A (en) * 1966-03-17 1969-04-01 Bell Telephone Labor Inc Line circuit for a key telephone system utilizing a single multifunction supervisory relay
US3647983A (en) * 1969-08-25 1972-03-07 San Bar Electronics Corp Key system line card circuit

Also Published As

Publication number Publication date
US3795776A (en) 1974-03-05
FR2197293B1 (sv) 1977-09-16
DE2341827A1 (de) 1974-03-07
BE803833A (fr) 1973-12-17
DE2341827C2 (de) 1983-06-09
SE394170B (sv) 1977-06-06
JPS5830794B2 (ja) 1983-07-01
GB1436460A (en) 1976-05-19
IT994635B (it) 1975-10-20
AU5933173A (en) 1975-02-20
JPS4965110A (sv) 1974-06-24
CA984982A (en) 1976-03-02
FR2197293A1 (sv) 1974-03-22

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed