The warning device (3) has a light effecting unit projected on a road (18), where the light effecting unit is mounted on an industrial truck (1). The light effecting unit has a projection surface (16), which forms a direction indication in the direction of...

The device has at least one display surface (2) for various display options. At least one selecting device is provided for choosing the desired display options, including different symbols and/or text. The different display options may be separate display ...

A device for signalling between vehicles is provided, having a transmitter for mounting in a cab of the vehicle and for transmitting a wireless, message-initiating signal. A remote unit is also provided for receiving the wireless, message-initiating signal...