DEVICE FOR SWITCHING AND CONTROLLING DOUBLE-FILAMENT LAMPS OF TRAFFIC LIGHTS Russian patent published in 2007 - IPC G08G1/95 B61L23/00 B61L7/10 

FIELD: railroad automatics and automatic remote control, in particular, devices for controlling train movement.

SUBSTANCE: device contains power supply poles, contacts of T-sockets of first and second signal relays, first and second safety-locks, windings of first and second light-out relays, linear wires of cable line, first and second signal transformers, first and second double-filament lamps of yellow light, controlling relay, first and second diodes, contacts of T-sockets of controlling relay. Device is additionally provided with controlling relay, controlling transformer, contacts of T-sockets of first and second light-out relay, contact of second T-socket of second signal relay.

EFFECT: substantial economization of cable conductors both during new construction and reconstruction of stations.

1 dwg