AU431288B2 - Arrangement for voice-frequency signalling in telephone systems - Google Patents

Arrangement for voice-frequency signalling in telephone systems

Info

Publication number
AU431288B2
AU431288B2 AU62072/69A AU6207269A AU431288B2 AU 431288 B2 AU431288 B2 AU 431288B2 AU 62072/69 A AU62072/69 A AU 62072/69A AU 6207269 A AU6207269 A AU 6207269A AU 431288 B2 AU431288 B2 AU 431288B2
Authority
AU
Australia
Prior art keywords
voice
arrangement
telephone systems
frequency signalling
signalling
Prior art date
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
AU62072/69A
Other versions
AU6207269A (en
Inventor
Herbert Edstrom Nils
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of AU6207269A publication Critical patent/AU6207269A/en
Publication of AU431288B2 publication Critical patent/AU431288B2/en
Expired legal-status Critical Current

Links

AU62072/69A 1968-11-05 1969-10-09 Arrangement for voice-frequency signalling in telephone systems Expired AU431288B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE15002/68 1968-11-05

Publications (2)

Publication Number Publication Date
AU6207269A AU6207269A (en) 1971-04-22
AU431288B2 true AU431288B2 (en) 1971-04-22

Family

ID=

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