NL80837C - - Google Patents
Info
- Publication number
- NL80837C NL80837C NL80837DA NL80837C NL 80837 C NL80837 C NL 80837C NL 80837D A NL80837D A NL 80837DA NL 80837 C NL80837 C NL 80837C
- 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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL302754X | 1951-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL80837C true NL80837C (en) |
Family
ID=19783370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80837D NL80837C (en) | 1951-05-23 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2693503A (en) |
| BE (1) | BE511611A (en) |
| CH (1) | CH302754A (en) |
| DE (1) | DE912824C (en) |
| FR (1) | FR1063848A (en) |
| GB (1) | GB707504A (en) |
| NL (1) | NL80837C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB967252A (en) * | 1960-05-25 | 1964-08-19 | Pye Ltd | Automatic telephone systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB566445A (en) * | 1943-08-13 | 1944-12-29 | Siemens Brothers & Co Ltd | Improvements relating to searching arrangements in telephone systems |
| NL73706C (en) * | 1947-01-03 | |||
| US2562100A (en) * | 1948-11-17 | 1951-07-24 | Bell Telephone Labor Inc | Coordinate selecting and lock-out circuit |
-
0
- NL NL80837D patent/NL80837C/xx active
- BE BE511611D patent/BE511611A/xx unknown
-
1952
- 1952-05-01 US US285408A patent/US2693503A/en not_active Expired - Lifetime
- 1952-05-20 GB GB12722/52A patent/GB707504A/en not_active Expired
- 1952-05-21 DE DEN5544A patent/DE912824C/en not_active Expired
- 1952-05-21 FR FR1063848D patent/FR1063848A/en not_active Expired
- 1952-05-21 CH CH302754D patent/CH302754A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1063848A (en) | 1954-05-07 |
| GB707504A (en) | 1954-04-21 |
| BE511611A (en) | |
| CH302754A (en) | 1954-10-31 |
| US2693503A (en) | 1954-11-02 |
| DE912824C (en) | 1954-06-03 |