| 摘要 |
<p>An emergency vehicle computer system comprising: a computer system (1) arranged to run one or more programs for output to a display system (3) provided in the interior of the vehicle; a vehicle controller (7) arranged to control any one of the vehicle's light, siren or display systems (9, 11, 13) independently of the first processing system; and a communications device (5) arranged to receive data from both the computer system and the vehicle controller. The communications device (5) comprises, in a single unit, a plurality of modems (21, 23, 25, 27) each arranged to transmit and receive data according to a different wireless protocol and which is arranged to receive, via one or more of the modems, an interrogation signal from an external communications device and to transmit a set of status data representative of the status of either programs running on the computer system or devices under the control of the vehicle controller to the or a further external communications device.</p> |
