AU480339B2 - - Google Patents

Info

Publication number
AU480339B2
AU480339B2 AU59331/73A AU5933173A AU480339B2 AU 480339 B2 AU480339 B2 AU 480339B2 AU 59331/73 A AU59331/73 A AU 59331/73A AU 5933173 A AU5933173 A AU 5933173A AU 480339 B2 AU480339 B2 AU 480339B2
Authority
AU
Australia
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.)
Active
Application number
AU59331/73A
Other languages
English (en)
Other versions
AU5933173A (en
Publication of AU480339B2 publication Critical patent/AU480339B2/en
Application filed filed Critical
Publication of AU5933173A publication Critical patent/AU5933173A/en
Expired legal-status Critical Current

Links

AU59331/73A 1972-08-23 1973-08-17 Telephone systems Expired AU5933173A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
AU480339B2 true AU480339B2 (uk)
AU5933173A AU5933173A (en) 1975-02-20

Family

ID=23083695

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59331/73A Expired AU5933173A (en) 1972-08-23 1973-08-17 Telephone systems

Country Status (11)

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

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

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