GB190423769A - Improved Telephone System - Google Patents

Improved Telephone System

Info

Publication number
GB190423769A
GB190423769A GB190423769DA GB190423769A GB 190423769 A GB190423769 A GB 190423769A GB 190423769D A GB190423769D A GB 190423769DA GB 190423769 A GB190423769 A GB 190423769A
Authority
GB
United Kingdom
Prior art keywords
line
telephone system
improved telephone
substations
wires
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
Inventor
Samuel Edward Barnes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190423769A publication Critical patent/GB190423769A/en
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

23,769. Barnes, S. E. Nov. 3. Telephone systems.-In that class of telephonic system in which a number of substations are connected in parallel with the line-wires and in which the central station cannot call, but can be called by, the substations, the latter are provided with switching-arrangements 3, 3<a>. 3<b>, whereby the substation apparatus is entirely disconnected from line when not in use, thus improving the insulation of the line-wires.
GB190423769D 1904-11-03 1904-11-03 Improved Telephone System Expired GB190423769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190423769T 1904-11-03

Publications (1)

Publication Number Publication Date
GB190423769A true GB190423769A (en) 1904-12-22

Family

ID=32166487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190423769D Expired GB190423769A (en) 1904-11-03 1904-11-03 Improved Telephone System

Country Status (1)

Country Link
GB (1) GB190423769A (en)

Similar Documents

Publication Publication Date Title
GB190423769A (en) Improved Telephone System
US2924667A (en) Reduction of transmission loss in bridged subscriber loops
US3236948A (en) Multiple station communication network
US1196761A (en) Telephone system.
US1606794A (en) Telephone system
US872293A (en) Ringing device for telephone-exchanges.
GB190407676A (en) Improvement in Telephonic Communication.
US685034A (en) Party-line telephone system.
US954445A (en) Telephone system.
US1135654A (en) Intercommunicating trunk-line telephone system.
US1063361A (en) Telephone system.
US2425187A (en) Intercommunicating system
GB191219102A (en) Improvements in Means for Telephonic Communication with Mine-cages.
GB190118505A (en) Improvements in Central Station Apparatus of Telephonic Installations with Parallel Branched Subscribers Jacks.
GB707435A (en) Improvements in or relating to telephone systems
GB190104007A (en) Improvements in Telephonic Apparatus for Central Stations.
GB190003174A (en) Improvements in and connected with Long-distance Telephony.
GB1206070A (en) Improvements in or relating to telephone exchanges
GB191402075A (en) Improvements in Common Battery Telephone Systems.
GB191417446A (en) Improvements in Telephone Systems.
GB190123708A (en) Improvements in Inter-communication Telephone Systems
GB190513586A (en) Improved Method of and Means for Supplying Current to Branch Stations of Telephone Exchanges.
GB191326287A (en) Improvements in and relating to Telephone Systems.
GB394585A (en) Improvements in or relating to telephone systems
GB190512690A (en) Improvements in Intercommunication Telephone Systems.