GB658514A - Automatic telegraph exchange systems - Google Patents
Automatic telegraph exchange systemsInfo
- Publication number
- GB658514A GB658514A GB3483747A GB3483747A GB658514A GB 658514 A GB658514 A GB 658514A GB 3483747 A GB3483747 A GB 3483747A GB 3483747 A GB3483747 A GB 3483747A GB 658514 A GB658514 A GB 658514A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- circuit
- contact
- contacts
- over
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL108953A NL58549C (enrdf_load_stackoverflow) | 1942-12-18 | 1942-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB658514A true GB658514A (en) | 1951-10-10 |
Family
ID=47757233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3483747A Expired GB658514A (en) | 1942-12-18 | 1947-12-30 | Automatic telegraph exchange systems |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE483165A (enrdf_load_stackoverflow) |
CH (1) | CH283596A (enrdf_load_stackoverflow) |
FR (1) | FR957836A (enrdf_load_stackoverflow) |
GB (1) | GB658514A (enrdf_load_stackoverflow) |
NL (2) | NL58549C (enrdf_load_stackoverflow) |
-
0
- FR FR957836D patent/FR957836A/fr not_active Expired
-
1942
- 1942-12-18 NL NL108953A patent/NL58549C/xx active
-
1944
- 1944-03-09 NL NL115647A patent/NL60296C/xx active
-
1947
- 1947-12-19 CH CH283596D patent/CH283596A/fr unknown
- 1947-12-30 GB GB3483747A patent/GB658514A/en not_active Expired
-
1948
- 1948-06-15 BE BE483165A patent/BE483165A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH283596A (fr) | 1952-06-15 |
BE483165A (enrdf_load_stackoverflow) | 1948-06-30 |
FR957836A (enrdf_load_stackoverflow) | 1950-02-25 |
NL58549C (enrdf_load_stackoverflow) | 1946-02-15 |
NL60296C (enrdf_load_stackoverflow) | 1947-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB658514A (en) | Automatic telegraph exchange systems | |
GB208509A (en) | Improvements in or relating to telephone systems | |
US2052051A (en) | Telephone system | |
US2383541A (en) | Telephone or like system | |
US2792451A (en) | Telephone system | |
US2020816A (en) | Automatic telephone system | |
US1956610A (en) | Telephone system | |
US2106897A (en) | Automatic or semiautomatic telephone system | |
US2222672A (en) | Communication switching system | |
US1465393A (en) | Telephone-exchange system | |
US2838611A (en) | Circuit arrangement for subscriber's station lines | |
US2298751A (en) | Telephone system | |
US1763602A (en) | Telephone system | |
US2933561A (en) | Two-station party line switching in telephone systems | |
US1879741A (en) | Telephone system | |
US1974164A (en) | Telephone system | |
US2923763A (en) | Printing telegraph system | |
US1867791A (en) | Automatic telephone system | |
US1514240A (en) | Automatic telephone system | |
US2800533A (en) | Selector 11 level | |
US1998086A (en) | Telegraph exchange system | |
US1310226A (en) | williams | |
US1543900A (en) | Testing system for automatic telephone switches | |
US1951109A (en) | Telephone system | |
US1652187A (en) | Telephone system |