| 摘要 |
An alert apparatus and related systems. The alert apparatus includes a controller and a wireless receiver connected to the controller and configured to receive data from a transmitter. The alert apparatus includes a packaging containing the controller and receiver and a visual indicator connected to be controlled by the controller and visible from outside of a vehicle on which the alert apparatus is mounted. The visual indicator is controllably activated by the controller based on the received data, and the alert apparatus is mounted on a windshield of the vehicle. |
