NL8317C - - Google Patents
Info
- Publication number
- NL8317C NL8317C NL8317DA NL8317C NL 8317 C NL8317 C NL 8317C NL 8317D A NL8317D A NL 8317DA NL 8317 C NL8317 C NL 8317C
- 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)
- Exchange Systems With Centralized Control (AREA)
- Interface Circuits In Exchanges (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US298580A US1456507A (en) | 1919-05-21 | 1919-05-21 | Tandem allotting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8317C true NL8317C (xx) |
Family
ID=23151130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8317D NL8317C (xx) | 1919-05-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1456507A (xx) |
| DE (1) | DE429787C (xx) |
| FR (1) | FR515482A (xx) |
| GB (1) | GB143498A (xx) |
| NL (1) | NL8317C (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB575294A (en) * | 1944-01-12 | 1946-02-12 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
| US2567650A (en) * | 1947-04-23 | 1951-09-11 | Stromberg Carlson Co | Automatic telephone system |
| US2613277A (en) * | 1947-10-05 | 1952-10-07 | Int Standard Electric Corp | Telephone system |
-
0
- NL NL8317D patent/NL8317C/xx active
-
1919
- 1919-05-21 US US298580A patent/US1456507A/en not_active Expired - Lifetime
-
1920
- 1920-04-25 DE DEB93788D patent/DE429787C/de not_active Expired
- 1920-04-30 GB GB12053/20A patent/GB143498A/en not_active Expired
- 1920-05-14 FR FR515482A patent/FR515482A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1456507A (en) | 1923-05-29 |
| DE429787C (de) | 1926-06-03 |
| FR515482A (fr) | 1921-04-02 |
| GB143498A (en) | 1921-01-20 |