Method of measuring average speed of a vehicle along length of road
NL1008365C1
Vehicle detection system set into lane of roadway
NL1006972C2
Warning sign to alert drivers attempting to drive in wrong direction
NL1004641C2
Indication panel for providing travel information to road users
NL9301885A
Light guide cone, method for manufacturing it, as well as information carrier.
NL9301884A
Optical switch, and information medium
NL9100875A
Assembly comprising two parts to be fastened together and a clamp.
NL8900093A
Light signal generator for signalling or display panel - provides alternative images by optical switching of two fibre-optic bundles having halogen lamp sources
NL8601016A
Road sign with characters formed from points of light - has fanned bundle of fibres supplied from common source
NL8001149A
Protection device for slot of parking meter or vending machine - prevents insertion of anything other than magnetisable coin or token by using magnetically actuated shutter mechanism
NL7809932A
Car park barrier post and associated base - have U=shaped locking units, spring loaded, with post when unused pushable into base, removable from it or tippable through around 90 degree
