SE394170B - Abonnentvexel med minst en linjektrets for direkt forbindelse med telefonapparater med medelst knappar paverkbara kretsar for olika omkopplingsfunktioner. - Google Patents

Abonnentvexel med minst en linjektrets for direkt forbindelse med telefonapparater med medelst knappar paverkbara kretsar for olika omkopplingsfunktioner.

Info

Publication number
SE394170B
SE394170B SE7311197A SE7311197A SE394170B SE 394170 B SE394170 B SE 394170B SE 7311197 A SE7311197 A SE 7311197A SE 7311197 A SE7311197 A SE 7311197A SE 394170 B SE394170 B SE 394170B
Authority
SE
Sweden
Prior art keywords
packable
circuits
direct connection
line direction
switching functions
Prior art date
Application number
SE7311197A
Other languages
English (en)
Swedish (sv)
Inventor
A Feiner
A M Gerrish
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE394170B publication Critical patent/SE394170B/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)
SE7311197A 1972-08-23 1973-08-16 Abonnentvexel med minst en linjektrets for direkt forbindelse med telefonapparater med medelst knappar paverkbara kretsar for olika omkopplingsfunktioner. SE394170B (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
SE394170B true SE394170B (sv) 1977-06-06

Family

ID=23083695

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7311197A SE394170B (sv) 1972-08-23 1973-08-16 Abonnentvexel med minst en linjektrets for direkt forbindelse med telefonapparater med medelst knappar paverkbara kretsar for olika omkopplingsfunktioner.

Country Status (11)

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

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
FR2197293A1 (cs) 1974-03-22
AU5933173A (en) 1975-02-20
CA984982A (en) 1976-03-02
JPS5830794B2 (ja) 1983-07-01
IT994635B (it) 1975-10-20
DE2341827C2 (de) 1983-06-09
GB1436460A (en) 1976-05-19
NL7311384A (cs) 1974-02-26
DE2341827A1 (de) 1974-03-07
BE803833A (fr) 1973-12-17
FR2197293B1 (cs) 1977-09-16
US3795776A (en) 1974-03-05
JPS4965110A (cs) 1974-06-24

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