AU418991B2 - Circuit arrangement for generating tone signals in telephone installations - Google Patents

Circuit arrangement for generating tone signals in telephone installations

Info

Publication number
AU418991B2
AU418991B2 AU25578/67A AU2557867A AU418991B2 AU 418991 B2 AU418991 B2 AU 418991B2 AU 25578/67 A AU25578/67 A AU 25578/67A AU 2557867 A AU2557867 A AU 2557867A AU 418991 B2 AU418991 B2 AU 418991B2
Authority
AU
Australia
Prior art keywords
circuit arrangement
tone signals
generating tone
telephone installations
installations
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
AU25578/67A
Other versions
AU2557867A (en
Inventor
Hain Paul
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU418991B2 publication Critical patent/AU418991B2/en
Publication of AU2557867A publication Critical patent/AU2557867A/en
Expired legal-status Critical Current

Links

AU25578/67A 1967-08-07 Circuit arrangement for generating tone signals in telephone installations Expired AU418991B2 (en)

Publications (2)

Publication Number Publication Date
AU418991B2 true AU418991B2 (en) 1969-02-13
AU2557867A AU2557867A (en) 1969-02-13

Family

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