US 2,002,009,978 · Filed 2000-12-29

Units for displaying information on vehicles

A vehicle display unit is designed to be carried by an automotive vehicle. Some such units are designed for mounting on the roof of a car, bus, or other vehicle. Others are designed to be mounted in other locations on or in a vehicle, such as, for example, on the side of a car, truck, or bus. Such a display unit can include components such as an one or more electronic displays; display drive circuitry, which can include a computer; a connection for receiving power from the electrical system of a vehicle; an enclosure around the one or more displays and their drive circuitry which has ventilation openings; and a ventilation fan for moving cooling air through the enclosure. The electronic displays can have 640×480 or greater resolution. Some roof-mounted embodiments have three electronic displays arranged in a triangle, with two displays each visible from the front and one side of the vehicle, and the third display visible from the behind the vehicle. Some roof-mounted embodiments include an enclosure for their display(s) and drive circuitry; one or more roof protectors having a weight distributing surface shaped to fit the curved roof of a vehicle on which they are mounted; and a plurality of mountings supported by the one or more roof protectors for suspending the enclosure in a position spaced above the roof, which mounting includes vibration isolators, for at least partially isolating the enclosure from vibration of the vehicle roof.

Curated and verified by the IsItPatented Editorial team