GB494582A - Improvements in or relating to telegraph switching systems - Google Patents
Improvements in or relating to telegraph switching systemsInfo
- Publication number
 - GB494582A GB494582A GB11683/37A GB1168337A GB494582A GB 494582 A GB494582 A GB 494582A GB 11683/37 A GB11683/37 A GB 11683/37A GB 1168337 A GB1168337 A GB 1168337A GB 494582 A GB494582 A GB 494582A
 - Authority
 - GB
 - United Kingdom
 - Prior art keywords
 - relay
 - operates
 - impulses
 - relays
 - causing
 - 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
- 230000003993 interaction Effects 0.000 abstract 1
 
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)
 - Interface Circuits In Exchanges (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE1936L0090217 DE690535C (de) | 1936-04-23 | 1936-04-23 | Schaltungsanordnung fuer Telegraphenanlagen mit Waehlerbetrieb und Vorwaehlern | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| GB494582A true GB494582A (en) | 1938-10-24 | 
Family
ID=7286999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GB11683/37A Expired GB494582A (en) | 1936-04-23 | 1937-04-23 | Improvements in or relating to telegraph switching systems | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US2184836A (instruction) | 
| BE (1) | BE421180A (instruction) | 
| DE (1) | DE690535C (instruction) | 
| FR (1) | FR821296A (instruction) | 
| GB (1) | GB494582A (instruction) | 
| NL (1) | NL50861C (instruction) | 
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2608615A (en) * | 1942-12-18 | 1952-08-26 | Roelof M M Oberman | Automatic telegraph system controlled from the teleprinter keyboard | 
- 
        0
        
- BE BE421180D patent/BE421180A/xx unknown
 - NL NL50861D patent/NL50861C/xx active
 
 - 
        1936
        
- 1936-04-23 DE DE1936L0090217 patent/DE690535C/de not_active Expired
 
 - 
        1937
        
- 1937-04-20 FR FR821296D patent/FR821296A/fr not_active Expired
 - 1937-04-23 US US138538A patent/US2184836A/en not_active Expired - Lifetime
 - 1937-04-23 GB GB11683/37A patent/GB494582A/en not_active Expired
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| FR821296A (fr) | 1937-12-01 | 
| BE421180A (instruction) | |
| NL50861C (instruction) | |
| DE690535C (de) | 1940-04-27 | 
| US2184836A (en) | 1939-12-26 | 
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