AU151403B2 - Automatic alarm device for telephonic or radio telephonic communication systems - Google Patents

Automatic alarm device for telephonic or radio telephonic communication systems

Info

Publication number
AU151403B2
AU151403B2 AU32660/50A AU3266050A AU151403B2 AU 151403 B2 AU151403 B2 AU 151403B2 AU 32660/50 A AU32660/50 A AU 32660/50A AU 3266050 A AU3266050 A AU 3266050A AU 151403 B2 AU151403 B2 AU 151403B2
Authority
AU
Australia
Prior art keywords
telephonic
communication systems
alarm device
radio
automatic alarm
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
AU32660/50A
Other versions
AU3266050A (en
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
Filing date
Publication date
Application filed by Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of AU3266050A publication Critical patent/AU3266050A/en
Publication of AU151403B2 publication Critical patent/AU151403B2/en
Expired legal-status Critical Current

Links

AU32660/50A 1950-02-16 Automatic alarm device for telephonic or radio telephonic communication systems Expired AU151403B2 (en)

Publications (2)

Publication Number Publication Date
AU3266050A AU3266050A (en) 1950-04-20
AU151403B2 true AU151403B2 (en) 1950-04-20

Family

ID=

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