AU1176066A - Telephone extension system - Google Patents

Telephone extension system

Info

Publication number: AU1176066A
Authority: AU; Australia
Prior art keywords: extension system; telephone extension; telephone; extension
Prior art date: 1966-09-28
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.): Expired

Application number

AU11760/66A

Other versions

Inventor

Phillip Driver Joel

Filing date

1966-09-28

Publication date

1968-03-28

1966-09-28 Application filed filed Critical

1968-03-28 Application granted granted Critical

1968-03-28 Publication of AU424434B2 publication Critical patent/AU424434B2/en

1968-03-28 Publication of AU1176066A publication Critical patent/AU1176066A/en

Status Expired legal-status Critical Current

AU11760/66A 1966-09-28 Telephone extension system Expired AU424434B2 (en)

Publication Number	Publication Date
AU424434B2 AU424434B2 (en)	1968-03-28
AU1176066A true AU1176066A (en)	1968-03-28

Publication	Publication Date	Title
AU424434B2 (en)	1968-03-28	Telephone extension system
CA735572A (en)	1966-05-31	Telephone system
AU409659B2 (en)	1968-08-29	Telephone system
AU1176066A (en)	1968-03-28	Telephone extension system
AU1823267A (en)	1968-08-29	Telephone system
CA714147A (en)	1965-07-20	Telephone line selecting system
CA730770A (en)	1966-03-22	Remote telephone extension system
AU283239B2 (en)	1967-07-20	Telephone system
CA735030A (en)	1966-05-24	Telecommunication systems
CA730245A (en)	1966-03-15	Telephone repeater
CA736577A (en)	1966-06-14	Communication system
CA728263A (en)	1966-02-15	Communication system
AU409494B2 (en)	1971-01-05	Telephone signalling
CA737058A (en)	1966-06-21	Telephone line concentrator system
CA730765A (en)	1966-03-22	Distributed telephone line concentrator
CA745246A (en)	1966-10-25	Communications system
CA725327A (en)	1966-01-04	Selective call system
CA727297A (en)	1966-02-01	Digital communication system
CA728260A (en)	1966-02-15	Digital communication system
CA693512A (en)	1964-09-01	Telephone system
CA696603A (en)	1964-10-27	Telephone system
AU407923B2 (en)	1967-05-04	Telephone system
CA690627A (en)	1964-07-14	Telephone system
AU5425965A (en)	1967-07-20	Telephone system
CA689421A (en)	1964-06-23	Telephone system ring-tripping arrangement