AU441303B2 - Interrupter for ringing signals from automatic telephone exchanges - Google Patents

Interrupter for ringing signals from automatic telephone exchanges

Info

Publication number
AU441303B2
AU441303B2 AU19005/70A AU1900570A AU441303B2 AU 441303 B2 AU441303 B2 AU 441303B2 AU 19005/70 A AU19005/70 A AU 19005/70A AU 1900570 A AU1900570 A AU 1900570A AU 441303 B2 AU441303 B2 AU 441303B2
Authority
AU
Australia
Prior art keywords
interrupter
automatic telephone
telephone exchanges
ringing signals
ringing
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
AU19005/70A
Other versions
AU1900570A (en
Inventor
VAGO and TADEUSZ WOLPERT FRANK
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 AU1900570A publication Critical patent/AU1900570A/en
Publication of AU441303B2 publication Critical patent/AU441303B2/en
Expired legal-status Critical Current

Links

AU19005/70A 1969-09-23 1970-08-20 Interrupter for ringing signals from automatic telephone exchanges Expired AU441303B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE13062/69 1969-09-23

Publications (2)

Publication Number Publication Date
AU1900570A AU1900570A (en) 1972-02-24
AU441303B2 true AU441303B2 (en) 1972-02-24

Family

ID=

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