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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK50940C (en) | Switching system for Number and Letter signals. | |
CH167585A (en) | Stopcock. | |
CH182214A (en) | Single sideband telecommunications system. | |
FR778775A (en) | Three-phase-single-phase system | |
CH234264A (en) | Telephone system. | |
ES130159A1 (en) | Improvements in guidance systems by radiotelegraphic signals and similar systems. | |
DK53928C (en) | Telephone system. | |
AT140725B (en) | Tiltable serving vessel. | |
AT138337B (en) | Television system. | |
DK48902C (en) | Television system. | |
DK49012C (en) | Alarm system. | |
ES130057A1 (en) | Improvements in shortwave signal systems. | |
DK54172C (en) | Fully or semi-automatic Telephone System or similar System. | |
DK50162C (en) | Defoamer. | |
ES132184A1 (en) | Improvements and improvements in television systems. | |
GR4359B (en) | LEAD SYSTEM. | |
DK49421C (en) | Modulation system. | |
DK52905C (en) | Signal system. | |
ES130626A1 (en) | Token signal system, with its corresponding device. | |
DK55732C (en) | Fully or semi-automatic Telephone System. | |
ES2699Y (en) | Stopper badges. | |
ES1837Y (en) | Threshing with remover. | |
ES131982A1 (en) | Modulation system. | |
ES132164A1 (en) | Improvements in television systems. | |
ES130550A1 (en) | Improvements in television systems. |