GB393111A - Circuit arrangement for telegraph exchange systems with relay repeating circuits - Google Patents
Circuit arrangement for telegraph exchange systems with relay repeating circuitsInfo
- Publication number
- GB393111A GB393111A GB20998/32A GB2099832A GB393111A GB 393111 A GB393111 A GB 393111A GB 20998/32 A GB20998/32 A GB 20998/32A GB 2099832 A GB2099832 A GB 2099832A GB 393111 A GB393111 A GB 393111A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- contact
- exchange
- over
- line
- 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
- H04L12/02—Details
- H04L12/04—Switchboards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE393111X | 1931-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB393111A true GB393111A (en) | 1933-06-01 |
Family
ID=6389658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20998/32A Expired GB393111A (en) | 1931-07-25 | 1932-07-25 | Circuit arrangement for telegraph exchange systems with relay repeating circuits |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE389936A (xx) |
FR (1) | FR740334A (xx) |
GB (1) | GB393111A (xx) |
NL (1) | NL35389C (xx) |
-
0
- NL NL35389D patent/NL35389C/xx active
- BE BE389936D patent/BE389936A/xx unknown
-
1932
- 1932-07-19 FR FR740334D patent/FR740334A/fr not_active Expired
- 1932-07-25 GB GB20998/32A patent/GB393111A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR740334A (fr) | 1933-01-24 |
BE389936A (xx) | |
NL35389C (xx) |
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