NL69254C - - Google Patents
Info
- Publication number
- NL69254C NL69254C NL69254DA NL69254C NL 69254 C NL69254 C NL 69254C NL 69254D A NL69254D A NL 69254DA NL 69254 C NL69254 C NL 69254C
- Authority
- NL
- Netherlands
Links
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)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377996A US2291224A (en) | 1941-02-08 | 1941-02-08 | Selecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69254C true NL69254C (en:Method) | 1900-01-01 |
Family
ID=23491313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69254D NL69254C (en:Method) | 1941-02-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2291224A (en:Method) |
| GB (1) | GB549325A (en:Method) |
| NL (1) | NL69254C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR973819A (en:Method) * | 1947-10-29 | 1951-02-15 | ||
| US2594389A (en) * | 1948-08-04 | 1952-04-29 | Bell Telephone Labor Inc | Double-lockout interconnecting system |
| US2542672A (en) * | 1948-10-27 | 1951-02-20 | Bell Telephone Labor Inc | Coordinate selecting and lockout circuit |
| US2562100A (en) * | 1948-11-17 | 1951-07-24 | Bell Telephone Labor Inc | Coordinate selecting and lock-out circuit |
-
0
- NL NL69254D patent/NL69254C/xx active
-
1941
- 1941-02-08 US US377996A patent/US2291224A/en not_active Expired - Lifetime
-
1942
- 1942-03-06 GB GB2925/42A patent/GB549325A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB549325A (en) | 1942-11-16 |
| US2291224A (en) | 1942-07-28 |