AU469723B2 - Telecommunication exchanges employing crosspoint switches - Google Patents

Telecommunication exchanges employing crosspoint switches

Info

Publication number: AU469723B2
Authority: AU; Australia
Prior art keywords: crosspoint switches; telecommunication exchanges; employing; exchanges employing; telecommunication
Prior art date: 1972-07-21
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

AU57686/73A

Other versions

AU5768673A (en

Inventor

Barnett Derrick

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 Handel und Investments AG

Original Assignee

Plessey Handel und Investments AG

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.)

1972-07-21

Filing date

1973-07-04

Publication date

1976-02-19

1973-07-04 Application filed by Plessey Handel und Investments AG filed Critical Plessey Handel und Investments AG

1975-01-09 Publication of AU5768673A publication Critical patent/AU5768673A/en

1976-02-19 Application granted granted Critical

1976-02-19 Publication of AU469723B2 publication Critical patent/AU469723B2/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Electronic Switches (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

AU57686/73A 1972-07-21 1973-07-04 Telecommunication exchanges employing crosspoint switches Expired AU469723B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GBGB34129		1972-07-21
GB3412972		1972-07-21

Publications (2)

Publication Number	Publication Date
AU5768673A AU5768673A (en)	1975-01-09
AU469723B2 true AU469723B2 (en)	1976-02-19

Family

ID=10361739

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU57686/73A Expired AU469723B2 (en)	1972-07-21	1973-07-04	Telecommunication exchanges employing crosspoint switches

Country Status (5)

Country	Link
AU (1)	AU469723B2 (en)
BR (1)	BR7305530D0 (en)
CA (1)	CA975878A (en)
GB (1)	GB1343547A (en)
ZA (1)	ZA734493B (en)

1972
- 1972-07-21 GB GB3412972A patent/GB1343547A/en not_active Expired
1973
- 1973-07-03 ZA ZA734493A patent/ZA734493B/en unknown
- 1973-07-04 AU AU57686/73A patent/AU469723B2/en not_active Expired
- 1973-07-20 CA CA176,976A patent/CA975878A/en not_active Expired
- 1973-07-20 BR BR5530/73A patent/BR7305530D0/en unknown

Also Published As

Publication number	Publication date
ZA734493B (en)	1974-06-26
AU5768673A (en)	1975-01-09
CA975878A (en)	1975-10-07
BR7305530D0 (en)	1974-08-22
GB1343547A (en)	1974-01-10

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