GB443986A - Improvements in or relating to manual exchanges for use with teleprinting systems - Google Patents
Improvements in or relating to manual exchanges for use with teleprinting systemsInfo
- Publication number
- GB443986A GB443986A GB82/35A GB8235A GB443986A GB 443986 A GB443986 A GB 443986A GB 82/35 A GB82/35 A GB 82/35A GB 8235 A GB8235 A GB 8235A GB 443986 A GB443986 A GB 443986A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- signals
- contact
- exchange
- contacts
- 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
- 238000004804 winding Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/04—Switchboards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE443986X | 1934-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB443986A true GB443986A (en) | 1936-03-11 |
Family
ID=6532778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB82/35A Expired GB443986A (en) | 1934-01-31 | 1935-01-01 | Improvements in or relating to manual exchanges for use with teleprinting systems |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE407043A (enrdf_load_stackoverflow) |
GB (1) | GB443986A (enrdf_load_stackoverflow) |
NL (1) | NL41309C (enrdf_load_stackoverflow) |
-
0
- NL NL41309D patent/NL41309C/xx active
- BE BE407043D patent/BE407043A/xx unknown
-
1935
- 1935-01-01 GB GB82/35A patent/GB443986A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL41309C (enrdf_load_stackoverflow) | |
BE407043A (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB433862A (en) | An improved method of transmitting telegrams through the medium of one or more exchanges | |
GB443986A (en) | Improvements in or relating to manual exchanges for use with teleprinting systems | |
GB430297A (en) | Improvements in or relating to telegraph repeater circuits | |
US2376275A (en) | Signaling system | |
US1634299A (en) | Telegraph circuits | |
US2770670A (en) | Carrier telegraph switchboard supervisory system | |
US2249429A (en) | Teletypewriter switching system | |
US2369578A (en) | Telegraph station selector system | |
US1978020A (en) | Break circuit for telegraph systems | |
GB371861A (en) | Improvements in telegraph exchange systems | |
US2306701A (en) | Combined telephone and telegraph cord and attendants' circuits | |
US2187104A (en) | Signaling system | |
US1391006A (en) | Half-duplex alternating-current telegraph system | |
US1817989A (en) | Connection for telegraph plants | |
US2232063A (en) | Arrangement for the transmission of intelligence | |
US2225648A (en) | Printing telegraph system | |
GB393288A (en) | Improvements in or relating to telegraph systems | |
GB370551A (en) | Circuit arrangement for switching on and off subscribers' stations in telegraph installations | |
US1717083A (en) | Carrier signal system | |
US1916239A (en) | Link circuit for interconnecting telegraph toll lines | |
US2093884A (en) | Printing telegraph exchange system | |
US2228375A (en) | Telephone metering system | |
US1588450A (en) | Telegraph system | |
US1526402A (en) | Loop circuits for telegraph repeaters | |
US1890523A (en) | Telephone system |