NL69989C - - Google Patents
Info
- Publication number
- NL69989C NL69989C NL69989DA NL69989C NL 69989 C NL69989 C NL 69989C NL 69989D A NL69989D A NL 69989DA NL 69989 C NL69989 C NL 69989C
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US363729A US2283395A (en) | 1940-10-31 | 1940-10-31 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69989C true NL69989C (en) |
Family
ID=23431466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69989D NL69989C (en) | 1940-10-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2283395A (en) |
| FR (1) | FR961975A (en) |
| GB (1) | GB654096A (en) |
| NL (1) | NL69989C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2468300A (en) * | 1945-08-14 | 1949-04-26 | Bell Telephone Labor Inc | Automatic telephone system |
| US2541936A (en) * | 1947-07-10 | 1951-02-13 | Stromberg Carlson Co | Register-sender for automatic telephone systems |
| US2533342A (en) * | 1947-10-09 | 1950-12-12 | American Telephone & Telegraph | Tandem switching system |
| US2535661A (en) * | 1948-10-29 | 1950-12-26 | Bell Telephone Labor Inc | Control circuits |
| US2658108A (en) * | 1948-11-17 | 1953-11-03 | Bell Telephone Labor Inc | Crossbar tandem office for telephone systems |
| NL84066C (en) * | 1949-01-29 | |||
| US2624785A (en) * | 1949-07-19 | 1953-01-06 | Kellogg Switchboard & Supply | Counting and registering relay circuit |
| US2686838A (en) * | 1950-04-06 | 1954-08-17 | Bell Telephone Labor Inc | Translator |
| US2767248A (en) * | 1952-06-27 | 1956-10-16 | Siemens Brothers & Co Ltd | Electrically operated registers |
| US2867690A (en) * | 1956-07-13 | 1959-01-06 | Bell Telephone Labor Inc | Auxiliary sender circuit |
| NL134083C (en) * | 1960-01-05 | |||
| US3210475A (en) * | 1961-06-08 | 1965-10-05 | Bell Telephone Labor Inc | Direct station selection circuit |
-
0
- NL NL69989D patent/NL69989C/xx active
- FR FR961975D patent/FR961975A/fr not_active Expired
-
1940
- 1940-10-31 US US363729A patent/US2283395A/en not_active Expired - Lifetime
-
1948
- 1948-02-27 GB GB6068/48A patent/GB654096A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB654096A (en) | 1951-06-06 |
| US2283395A (en) | 1942-05-19 |
| FR961975A (en) | 1950-05-26 |