NL66931C - - Google Patents
Info
- Publication number
- NL66931C NL66931C NL66931DA NL66931C NL 66931 C NL66931 C NL 66931C NL 66931D A NL66931D A NL 66931DA NL 66931 C NL66931 C NL 66931C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377989A US2338642A (en) | 1941-02-08 | 1941-02-08 | Testing and signaling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL66931C true NL66931C (xx) |
Family
ID=23491282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL66931D NL66931C (xx) | 1941-02-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2338642A (xx) |
| CH (2) | CH237888A (xx) |
| ES (1) | ES176295A1 (xx) |
| FR (1) | FR937746A (xx) |
| GB (1) | GB549785A (xx) |
| NL (1) | NL66931C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2428023A (en) * | 1942-12-15 | 1947-09-30 | Standard Telephones Cables Ltd | Electric impulse receiving and timing arrangement |
| US2755340A (en) * | 1951-01-22 | 1956-07-17 | Nederlanden Staat | Circuit reserving system |
-
0
- NL NL66931D patent/NL66931C/xx active
-
1941
- 1941-02-08 US US377989A patent/US2338642A/en not_active Expired - Lifetime
-
1942
- 1942-03-03 GB GB2797/42A patent/GB549785A/en not_active Expired
- 1942-09-15 CH CH237888D patent/CH237888A/de unknown
- 1942-09-22 CH CH238420D patent/CH238420A/de unknown
-
1946
- 1946-08-28 FR FR937746D patent/FR937746A/fr not_active Expired
- 1946-12-18 ES ES176295A patent/ES176295A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH237888A (de) | 1945-05-31 |
| US2338642A (en) | 1944-01-04 |
| GB549785A (en) | 1942-12-07 |
| CH238420A (de) | 1945-07-15 |
| FR937746A (fr) | 1948-08-25 |
| ES176295A1 (es) | 1947-02-16 |