GB280576A - Improvements in or relating to telephone systems - Google Patents
Improvements in or relating to telephone systemsInfo
- Publication number
- GB280576A GB280576A GB30234/27A GB3023427A GB280576A GB 280576 A GB280576 A GB 280576A GB 30234/27 A GB30234/27 A GB 30234/27A GB 3023427 A GB3023427 A GB 3023427A GB 280576 A GB280576 A GB 280576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- register
- digit
- over
- numerical
- 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
- 239000004020 conductor Substances 0.000 abstract 10
- 238000004804 winding Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US280576XA | 1926-11-10 | 1926-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB280576A true GB280576A (en) | 1929-02-11 |
Family
ID=21841331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30234/27A Expired GB280576A (en) | 1926-11-10 | 1927-11-10 | Improvements in or relating to telephone systems |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR643113A (enrdf_load_stackoverflow) |
GB (1) | GB280576A (enrdf_load_stackoverflow) |
-
0
- FR FR643113D patent/FR643113A/fr not_active Expired
-
1927
- 1927-11-10 GB GB30234/27A patent/GB280576A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR643113A (enrdf_load_stackoverflow) | 1928-09-10 |
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