NL224234A - - Google Patents
Info
- Publication number
- NL224234A NL224234A NL224234DA NL224234A NL 224234 A NL224234 A NL 224234A NL 224234D A NL224234D A NL 224234DA NL 224234 A NL224234 A NL 224234A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1897454A GB765928A (en) | 1952-01-16 | 1952-01-16 | Improvements in or relating to telecommunication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL224234A true NL224234A (de) |
Family
ID=10121639
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94369D NL94369C (de) | 1952-01-16 | ||
| NL224234D NL224234A (de) | 1952-01-16 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94369D NL94369C (de) | 1952-01-16 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE975471C (de) |
| GB (1) | GB765928A (de) |
| NL (2) | NL224234A (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2235153A (en) * | 1939-07-11 | 1941-03-18 | Bell Telephone Labor Inc | Chain start circuit |
| US2291036A (en) * | 1941-02-08 | 1942-07-28 | Bell Telephone Labor Inc | Selecting system |
| BE475754A (de) * | 1941-11-21 | |||
| AT166838B (de) * | 1943-05-06 | 1950-09-25 | Int Standard Electric Corp | Steuersystem |
-
0
- NL NL94369D patent/NL94369C/xx active
- NL NL224234D patent/NL224234A/xx unknown
-
1952
- 1952-01-16 GB GB1897454A patent/GB765928A/en not_active Expired
-
1953
- 1953-01-16 DE DEA19601A patent/DE975471C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL94369C (de) | |
| DE975471C (de) | 1961-12-07 |
| GB765928A (en) | 1957-01-16 |