DK50940C - Switching system for Number and Letter signals. - Google Patents
Switching system for Number and Letter signals.Info
- Publication number
- DK50940C DK50940C DK50940DA DK50940C DK 50940 C DK50940 C DK 50940C DK 50940D A DK50940D A DK 50940DA DK 50940 C DK50940 C DK 50940C
- Authority
- DK
- Denmark
- Prior art keywords
- switching system
- letter signals
- letter
- signals
- switching
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L17/00—Switching systems for classification yards
- B61L17/02—Details, e.g. indicating degree of track filling
- B61L17/023—Signalling; Signals with multiple indicating means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV30035D DE641056C (en) | 1933-10-20 | 1933-10-20 | Switching device for number or letter signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK50940C true DK50940C (en) | 1935-11-25 |
Family
ID=7585358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK50940D DK50940C (en) | 1933-10-20 | 1934-09-22 | Switching system for Number and Letter signals. |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE641056C (en) |
| DK (1) | DK50940C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE941492C (en) * | 1943-08-27 | 1956-04-12 | Siemens Ag | Monitoring device for checking the step-by-step forward movement of a step switch or rotary switch for automatic program control of railway safety devices |
-
1933
- 1933-10-20 DE DEV30035D patent/DE641056C/en not_active Expired
-
1934
- 1934-09-22 DK DK50940D patent/DK50940C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE641056C (en) | 1937-01-18 |
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