GB190204793A - Improvements in Intercommunication Telephone Systems - Google Patents
Improvements in Intercommunication Telephone SystemsInfo
- 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
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
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.
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) |
-
1902
- 1902-02-25 GB GB190204793D patent/GB190204793A/en not_active Expired
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