GB190204793A - Improvements in Intercommunication Telephone Systems - Google Patents

Improvements in Intercommunication Telephone Systems

Info

Publication number
GB190204793A
GB190204793A GB190204793DA GB190204793A GB 190204793 A GB190204793 A GB 190204793A GB 190204793D A GB190204793D A GB 190204793DA GB 190204793 A GB190204793 A GB 190204793A
Authority
GB
United Kingdom
Prior art keywords
telephone
receiver
branched
connection
telephone systems
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
Thomas Sloper
Isaac Hardy Parsons
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 GB190204793A publication Critical patent/GB190204793A/en
Expired legal-status Critical Current

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Abstract

4793. Sloper, T., and Parsons, I. H. Feb. 25. Telephone systems; telephones.-Relates to telephone intercommunication systems in which the receivers are attached to the home lines and the transmitters are arranged in the jack circuits for connection to the various subscribers. Fig. 1 shows the arrangement at one station when the call bell d and receiver a are arranged in branched circuits changed b the motion of the telephone lever b. T h e transmitter c, call push g', and buzzer k are arranged in circuit with the plug e for connection to the various line jacks f. The bell may be connected to a common signalling return circuit, instead of being branched off the receiver. Magnetos or batteries may be used for calling.
GB190204793D 1902-02-25 1902-02-25 Improvements in Intercommunication Telephone Systems Expired GB190204793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190204793T 1902-02-25

Publications (1)

Publication Number Publication Date
GB190204793A true GB190204793A (en) 1903-02-05

Family

ID=32621261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190204793D Expired GB190204793A (en) 1902-02-25 1902-02-25 Improvements in Intercommunication Telephone Systems

Country Status (1)

Country Link
GB (1) GB190204793A (en)

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