AU1224266A - Circuit arrangement to supervise the loop resistance ofa telecommunication, particularly telephone line - Google Patents

Circuit arrangement to supervise the loop resistance ofa telecommunication, particularly telephone line

Info

Publication number
AU1224266A
AU1224266A AU12242/66A AU1224266A AU1224266A AU 1224266 A AU1224266 A AU 1224266A AU 12242/66 A AU12242/66 A AU 12242/66A AU 1224266 A AU1224266 A AU 1224266A AU 1224266 A AU1224266 A AU 1224266A
Authority
AU
Australia
Prior art keywords
supervise
telecommunication
telephone line
circuit arrangement
loop resistance
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
AU12242/66A
Other versions
AU411779B2 (en
Inventor
Herter Eberhardt
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU411779B2 publication Critical patent/AU411779B2/en
Publication of AU1224266A publication Critical patent/AU1224266A/en
Expired legal-status Critical Current

Links

AU12242/66A 1966-10-10 Circuit arrangement to supervise the loop resistance ofa telecommunication, particularly telephone line Expired AU411779B2 (en)

Publications (2)

Publication Number Publication Date
AU411779B2 AU411779B2 (en) 1968-04-11
AU1224266A true AU1224266A (en) 1968-04-11

Family

ID=

Similar Documents

Publication Publication Date Title
CA925233A (en) Subscriber telephone circuit
AU411779B2 (en) Circuit arrangement to supervise the loop resistance ofa telecommunication, particularly telephone line
AU1224266A (en) Circuit arrangement to supervise the loop resistance ofa telecommunication, particularly telephone line
CA748510A (en) Telephone switching network
CA748511A (en) Telephone switching network
AU413177B2 (en) Subscriber telephone circuit
YU34349B (en) Circuit arrangement for telecommunication installations, especially for telephone exchanges with crossed-fieldwise built control device
CA669945A (en) Subscriber line circuit with local ringing
AU409494B2 (en) Telephone signalling
AU407264B2 (en) Telephone switching networks
CA690628A (en) Telephone signaling circuit
AU411293B2 (en) Telephone switchboard cords
AU1918867A (en) Subscriber telephone circuit
CA730765A (en) Distributed telephone line concentrator
CA765480A (en) Telephone signaling circuit
CA698256A (en) Telephone ringer circuit
CA735571A (en) Supervisory telephone circuit
CA735038A (en) Telephone signalling circuits
CA752496A (en) Telephone line circuit
CA774181A (en) Telephone line circuit
AU1556166A (en) Telephone switching networks
CA766815A (en) Telephone subscriber's line circuit
CA737059A (en) Telephone trunk make busy circuit
AU6706965A (en) Telephone switchboard cords
CA740986A (en) Switching network with independent connections