AU105304B2 - Improvements in or relating to electronic voice operated switching devices in telephone systems - Google Patents

Improvements in or relating to electronic voice operated switching devices in telephone systems

Info

Publication number
AU105304B2
AU105304B2 AU4144/37A AU414437A AU105304B2 AU 105304 B2 AU105304 B2 AU 105304B2 AU 4144/37 A AU4144/37 A AU 4144/37A AU 414437 A AU414437 A AU 414437A AU 105304 B2 AU105304 B2 AU 105304B2
Authority
AU
Australia
Prior art keywords
relating
switching devices
telephone systems
operated switching
voice operated
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
AU4144/37A
Other versions
AU414437A (en
Inventor
Griffiths Reed Joseph
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia Ltd
Filing date
Publication date
Application filed by Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Application granted granted Critical
Publication of AU105304B2 publication Critical patent/AU105304B2/en
Publication of AU414437A publication Critical patent/AU414437A/en
Expired legal-status Critical Current

Links

AU4144/37A 1937-09-27 Improvements in or relating to electronic voice operated switching devices in telephone systems Expired AU105304B2 (en)

Publications (2)

Publication Number Publication Date
AU105304B2 true AU105304B2 (en) 1938-10-06
AU414437A AU414437A (en) 1938-10-06

Family

ID=

Similar Documents

Publication Publication Date Title
AU105304B2 (en) Improvements in or relating to electronic voice operated switching devices in telephone systems
AU414437A (en) Improvements in or relating to electronic voice operated switching devices in telephone systems
AU108433B2 (en) Improvements in or relating to voice operated telephone control circuits
AU1337A (en) Improvements in or relating to tele phone or like systems
AU103696B2 (en) Improvements in or relating to telephone systems
AU106578B2 (en) Improvements in or relating to telephone systems
AU104009B2 (en) Improvements in or relating to telephone communication systems
AU104057B2 (en) Improvements in telephone systems
AU105489B2 (en) Improvements in or relating to telephone or like systems
AU105704B2 (en) Improvements in or relating to telephone or like systems
AU105528B2 (en) Improvements in or relating to telephone or like systems
AU105527B2 (en) Improvements in or relating to telephone or like systems
AU476237A (en) Improvements in or relating to telephone systems
AU208637A (en) Improvements in or relating to telephone communication systems
AU95637A (en) Improvements in telephone systems
AU383437A (en) Improvements in telephone systems
AU436938A (en) Improvements in or relating to telephone or like systems
AU444337A (en) Improvements in or relating to telephone or like systems
AU105195B2 (en) Improvements in telephone systems employing link circuits
AU105534B2 (en) Improvements in and relating to signalling circuits for use in telephone systems and the like
AU102991B2 (en) Improvements relating to telephone systems
AU101933B2 (en) Improvements relating to telephone systems
AU103169B2 (en) Improvements relating to telephone systems
AU102249B2 (en) Improvements relating to telephone systems
AU103018B2 (en) Improvements relating to telephone systems