GB806826A - Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations - Google Patents
Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installationsInfo
- Publication number
- GB806826A GB806826A GB8892/57A GB889257A GB806826A GB 806826 A GB806826 A GB 806826A GB 8892/57 A GB8892/57 A GB 8892/57A GB 889257 A GB889257 A GB 889257A GB 806826 A GB806826 A GB 806826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- selector
- line
- energizes
- impulse
- 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
- 238000009434 installation Methods 0.000 title 1
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/22—Switches without multi-position wipers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE354489X | 1956-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB806826A true GB806826A (en) | 1958-12-31 |
Family
ID=6288820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8892/57A Expired GB806826A (en) | 1956-03-17 | 1957-03-18 | Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3019298A (enExample) |
| BE (1) | BE555870A (enExample) |
| CH (1) | CH354489A (enExample) |
| FR (1) | FR1182256A (enExample) |
| GB (1) | GB806826A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2552792A (en) * | 1947-10-18 | 1951-05-15 | Automatic Elect Lab | Telephone system |
-
0
- BE BE555870D patent/BE555870A/xx unknown
-
1957
- 1957-03-12 CH CH354489D patent/CH354489A/de unknown
- 1957-03-13 US US645870A patent/US3019298A/en not_active Expired - Lifetime
- 1957-03-15 FR FR1182256D patent/FR1182256A/fr not_active Expired
- 1957-03-18 GB GB8892/57A patent/GB806826A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3019298A (en) | 1962-01-30 |
| FR1182256A (fr) | 1959-06-24 |
| CH354489A (de) | 1961-05-31 |
| BE555870A (enExample) |
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