ZA75454B - Circuit for the operation of a test circuit for light signals - Google Patents
Circuit for the operation of a test circuit for light signalsInfo
- Publication number
- ZA75454B ZA75454B ZA00750454A ZA75454A ZA75454B ZA 75454 B ZA75454 B ZA 75454B ZA 00750454 A ZA00750454 A ZA 00750454A ZA 75454 A ZA75454 A ZA 75454A ZA 75454 B ZA75454 B ZA 75454B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit
- light signals
- test
- test circuit
- signals
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals
- B61L5/1881—Wiring diagrams for power supply, control or testing
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 |
---|---|---|---|
DE2402911A DE2402911C3 (en) | 1974-01-22 | 1974-01-22 | Circuit for the operation of a test circuit for light signals, especially in the railway sector |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA75454B true ZA75454B (en) | 1976-01-28 |
Family
ID=5905376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00750454A ZA75454B (en) | 1974-01-22 | 1975-01-22 | Circuit for the operation of a test circuit for light signals |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2402911C3 (en) |
ZA (1) | ZA75454B (en) |
-
1974
- 1974-01-22 DE DE2402911A patent/DE2402911C3/en not_active Expired
-
1975
- 1975-01-22 ZA ZA00750454A patent/ZA75454B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2402911C3 (en) | 1978-06-22 |
DE2402911A1 (en) | 1975-07-31 |
DE2402911B2 (en) | 1977-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA753543B (en) | Signal analyser | |
AU499645B2 (en) | Optical pattern testing | |
JPS564197A (en) | Signal synthesizer | |
CA1019405A (en) | Modulation measuring circuit | |
IL46732A (en) | Test arrangement | |
ZA753520B (en) | Signal switching apparatus | |
CA1028395A (en) | Rate signal generator circuit | |
ZA753260B (en) | Iron-resin adsorbate | |
JPS51146142A (en) | Logical circuit tester | |
AU501552B2 (en) | Multiple indicator lamp test circuit | |
CA1010954A (en) | Apparatus including novel bridge circuit | |
IL50625A0 (en) | Reference signal circuit | |
JPS5275254A (en) | Lamp signal generator | |
CA1004733A (en) | Bridge circuit | |
JPS522510A (en) | Error signal circuit | |
CA1017411A (en) | Circuit for testing a logic delay timer | |
JPS52123194A (en) | Signal lamp | |
HU172763B (en) | Arrangement for selective damping of the components of the brightness signal | |
ZA757224B (en) | An arrangement for evaluating the duration of a signal | |
ZA75454B (en) | Circuit for the operation of a test circuit for light signals | |
CA1029850A (en) | Horizontal centering circuit | |
GB1558270A (en) | Signal measuring circuit | |
JPS5266923A (en) | Converter for synchronizing external signal | |
JPS5279857A (en) | Circuit for producing rectangular wave signal not defected | |
IL46404A0 (en) | Multi-channel signal |