GB700089A - Improvements in or relating to telecommunication exchange systems - Google Patents
Improvements in or relating to telecommunication exchange systemsInfo
- Publication number
- GB700089A GB700089A GB1096/50A GB109650A GB700089A GB 700089 A GB700089 A GB 700089A GB 1096/50 A GB1096/50 A GB 1096/50A GB 109650 A GB109650 A GB 109650A GB 700089 A GB700089 A GB 700089A
- Authority
- GB
- United Kingdom
- Prior art keywords
- esbo
- impulse
- wire
- outlet
- register
- 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
- JJGBFZZXKPWGCW-UHFFFAOYSA-N 2,3-bis[8-[3-[(3-pentyloxiran-2-yl)methyl]oxiran-2-yl]octanoyloxy]propyl 8-[3-[(3-pentyloxiran-2-yl)methyl]oxiran-2-yl]octanoate Chemical compound CCCCCC1OC1CC1C(CCCCCCCC(=O)OCC(COC(=O)CCCCCCCC2C(O2)CC2C(O2)CCCCC)OC(=O)CCCCCCCC2C(O2)CC2C(O2)CCCCC)O1 JJGBFZZXKPWGCW-UHFFFAOYSA-N 0.000 abstract 17
- 239000004020 conductor Substances 0.000 abstract 2
- 230000001960 triggered effect Effects 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
Classifications
-
- 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)
- Structure Of Telephone Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB304899X | 1950-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB700089A true GB700089A (en) | 1953-11-25 |
Family
ID=10308488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1096/50A Expired GB700089A (en) | 1950-01-16 | 1950-01-16 | Improvements in or relating to telecommunication exchange systems |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725428A (en) * | 1953-01-06 | 1955-11-29 | Itt | Multi-group primary-secondary-spread crossbar telephone system |
| NL81824C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-03-12 | |||
| NL205383A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-11-30 | |||
| US2871297A (en) * | 1954-03-08 | 1959-01-27 | Itt | 100-line direct-access crossbar telephone switching unit |
| GB944162A (en) * | 1956-05-08 | 1963-12-11 | Standard Telephones Cables Ltd | Improvements in or relating to automatic telephone exchanges |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2612564A (en) * | 1946-06-05 | 1952-09-30 | Roelof M M Oberman | Combined line finder final selector circuit |
| US2620400A (en) * | 1949-10-17 | 1952-12-02 | Snijders Antonie | Arrangement for comparing voltages |
-
0
- BE BE500638D patent/BE500638A/xx unknown
-
1950
- 1950-01-16 GB GB1096/50A patent/GB700089A/en not_active Expired
-
1951
- 1951-01-12 CH CH304899D patent/CH304899A/fr unknown
- 1951-01-14 DE DEI3697A patent/DE865474C/de not_active Expired
- 1951-01-16 FR FR1109008D patent/FR1109008A/fr not_active Expired
-
1953
- 1953-03-23 US US343871A patent/US2744163A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH304899A (fr) | 1955-01-31 |
| BE500638A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR1109008A (fr) | 1956-01-20 |
| DE865474C (de) | 1953-02-02 |
| US2744163A (en) | 1956-05-01 |
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