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)
- Relay Circuits (AREA)
- Interface Circuits In Exchanges (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 (enrdf_load_stackoverflow) |
GB (1) | GB634151A (enrdf_load_stackoverflow) |
-
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 (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB601149A (en) | Improvements in distributors for routeing electrical impulses | |
US2354682A (en) | Electric selection controlling circuit | |
US2608674A (en) | Multicathode glow discharge device | |
US2594389A (en) | Double-lockout interconnecting system | |
US2417831A (en) | Counting relay system | |
GB634151A (en) | An arrangement for selecting one of a number of similar circuits particularly in telephone systems | |
US2685052A (en) | Condenser-timed relay interrupter | |
US2714180A (en) | Electronic counter | |
GB550210A (en) | Improvements in or relating to switching systems particularly for automatic telephones | |
US2319333A (en) | Service observing system | |
US2475050A (en) | Constant current circuit | |
GB549324A (en) | Improved means for testing and selecting electrical circuits, particularly in automatic telephone systems | |
GB654311A (en) | Improvements in automatic telephone switching systems | |
GB802590A (en) | Improvements in or relating to traffic light switching arrangements | |
US2810098A (en) | High-speed hunting circuits | |
US2310634A (en) | Communication system | |
US2443398A (en) | Electronic sequence timer | |
US2421005A (en) | Circuit for counting electrical impulses | |
US2564125A (en) | Selecting system | |
US2436787A (en) | Arrangement for producing electric impulses | |
US3145295A (en) | Electronic calculators | |
SU133499A1 (ru) | Способ управлени генератором импульсов и устройство дл его осуществлени | |
GB549325A (en) | Improvements in or relating to automatic telephone systems | |
GB593601A (en) | Improvements in remote control systems | |
US2362928A (en) | Annunciator system |