AU428207B2 - Telecommunication party line discriminator - Google Patents

Telecommunication party line discriminator

Info

Publication number: AU428207B2
Authority: AU; Australia
Prior art keywords: telecommunication; party line; line discriminator; discriminator; party
Prior art date: 1969-01-10
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

AU63080/69A

Other versions

AU6308069A (en

Inventor

Reaney Donald

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Plessey Co Ltd

Original Assignee

Plessey Co Ltd

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.)

1969-01-10

Filing date

1969-10-30

Publication date

1971-05-06

1969-10-30 Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd

1971-05-06 Application granted granted Critical

1971-05-06 Publication of AU428207B2 publication Critical patent/AU428207B2/en

1971-05-06 Publication of AU6308069A publication Critical patent/AU6308069A/en

Status Expired legal-status Critical Current

Links

AU63080/69A 1969-01-10 1969-10-30 Telecommunication party line discriminator Expired AU428207B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB1660		1969-01-10

Publications (2)

Publication Number	Publication Date
AU428207B2 true AU428207B2 (en)	1971-05-06
AU6308069A AU6308069A (en)	1971-05-06

Family

ID=

Similar Documents

Publication	Publication Date	Title
CA925233A (en)	1973-04-24	Subscriber telephone circuit
CA944452A (en)	1974-03-26	Telecommunication cables
CA943204A (en)	1974-03-05	Telecommunication cables
CA917327A (en)	1972-12-19	Telephone security device
CA926512A (en)	1973-05-15	Telecommunications system
CA851280A (en)	1970-09-08	Telephone security device
CA937663A (en)	1973-11-27	Telecommunication systems
CA871833A (en)	1971-05-25	Telephone paystation
AU428207B2 (en)	1971-05-06	Telecommunication party line discriminator
AU6308069A (en)	1971-05-06	Telecommunication party line discriminator
CA938706A (en)	1973-12-18	Telecommunication exchanges
CA920291A (en)	1973-01-30	Telephone dial
AU2174070A (en)	1972-05-04	Telephone sets
CA792307A (en)	1968-08-13	Telephone set
CA825269A (en)	1969-10-14	Telephone set
AU446463B2 (en)	1971-10-07	Telecommunication exchanges
CA809747A (en)	1969-04-01	Telephone system
CA922030A (en)	1973-02-27	Telephone system
CA807850A (en)	1969-03-04	Digital telephone systems
AU446594B2 (en)	1971-03-11	Telephone subset
AU447466B2 (en)	1971-03-11	Telephone subset
CA807313A (en)	1969-02-25	Telephone reporting system
AU448244B2 (en)	1972-03-09	Operators four-wire telephone set
CA815119A (en)	1969-06-10	Conferencing networks
AU452818B2 (en)	1972-05-18	Telephone dialer with two different pulse rates