A computer is programmed to receive a command to broadcast an alert; determine a plurality of routes, each for one of a plurality of ground vehicles; and instruct each ground vehicle to follow its respective route while playing a message from external speakers. The computer may be integrated into, for example, a civil-defense system.
Civil-defense system
2019-03-05
Patent
Electronic Resource
English
IPC: | G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Civil Defense Monitoring Techniques
NTIS | 1956
|Chicago civil defense committee
Engineering Index Backfile | 1950
|Traffic engineering in civil defense
Engineering Index Backfile | 1951
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