This design gives a sophisticated audible warning when any car 'fault' light is switched on, or when turn-indicators are operated. The repeater sounds instantly when a fault occurs, generating a 30-second pulsed warble-tone signal that immediately attracts the driver's attention. The unit then generates 4-second 'reminder' tone bursts at intervals that initially occur once every 22 seconds, but slowly expand to one 4-second burst every 2 minutes by the end of a 20-minute period. After 20 minutes the reminder tones cease completely.
Warning indicator monitoring system
Warngeraet fuer Ueberwachung falsch betaetigter Kfz-Lichtsignale
Electronics Today International ; 8 , 9 ; 23-25
1979
3 Seiten
Article (Journal)
English