GB634151A - An arrangement for selecting one of a number of similar circuits particularly in telephone systems - Google Patents
An arrangement for selecting one of a number of similar circuits particularly in telephone systemsInfo
- Publication number
- GB634151A GB634151A GB31070/45A GB3107045A GB634151A GB 634151 A GB634151 A GB 634151A GB 31070/45 A GB31070/45 A GB 31070/45A GB 3107045 A GB3107045 A GB 3107045A GB 634151 A GB634151 A GB 634151A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- relays
- resistance
- common
- nov
- 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
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE634151X | 1944-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB634151A true GB634151A (en) | 1950-03-15 |
Family
ID=20313601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31070/45A Expired GB634151A (en) | 1944-11-21 | 1945-11-19 | An arrangement for selecting one of a number of similar circuits particularly in telephone systems |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR914600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| GB (1) | GB634151A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- FR FR914600D patent/FR914600A/fr active Active
-
1945
- 1945-11-19 GB GB31070/45A patent/GB634151A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR914600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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