FIELD: electrical engineering. SUBSTANCE: circuit has control units on which output control relays are connected. The relay contacts are connected to a self-blocking check relay which contact is connected to the commutation circuit of a feed transformer. EFFECT: improved structure. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TRACK CIRCUIT | 1991 |
|
RU2048345C1 |
| TRACK CIRCUIT | 1991 |
|
RU2026224C1 |
| TRACK CIRCUIT | 1992 |
|
RU2089426C1 |
| TRACK CIRCUIT | 1992 |
|
RU2067055C1 |
| TRACK CIRCUIT | 0 |
|
SU1808752A1 |
| TRACK CIRCUIT | 1992 |
|
RU2072930C1 |
| RAIL CIRCUIT | 0 |
|
SU1766753A1 |
| TRACK CIRCUIT | 1992 |
|
RU2067056C1 |
| TRACK CIRCUIT | 1992 |
|
RU2047524C1 |
| CODED CURRENT BLOCK DECODER | 1990 |
|
RU2006404C1 |
