Automatic track switching control apparatus

Captivity point detection system with single switch position...

Contactless point detection system for railroad switch

Device for detecting the positions of pivotable parts of a point

Method for monitoring the condition of rail switch points

Modular point detector for railroad track signal

Modular point detector for railroad track signal

Modular point detector for railroad track switch

Modular point detector for railroad track switch

Non-powered trailed switch detector for railroad track...

Non-powered trailed switch detector for railroad track...

Point detection and indication with latch out means

Railroad switch heating control

Railroad switch point position indicator

Railroad switch point position sensing system and method

Railroad trackwork switch point position status indicator

Railway switch machine point detection system

Safety detector for railroad switch points with remote contact m

Safety detector for railroad switch points with visual indicator