Traffic Control Indicator Patents (Class 340/907)
- Central station responsive to traffic detectors (Class 340/910)
- Standby cycling implemented if invalid transmission received or loss of transmission occurs (Class 340/912)
- Offset control (Class 340/913)
- Split control (Class 340/914)
- Central station includes display of status of indicators (Class 340/915)
- Controller responsive to traffic detectors (Class 340/917)
- Local controller can be superceded by central station controller (Class 340/924)
- Pedestrian control (Class 340/925)
- Manual setting of cycle length and split times (Class 340/926)
- Rotating cam structure (specific structure required) (Class 340/927)