Shows how the addition of further CD 4001 CMOS integrated circuits can expand the basis tachometer circuit, see ibid., vol.47, no.4, p.37 (1976), to act as an overspeed alarm system, operating an audio/visual alarm when engine or vehicle speed exceeds a preset limit. This system can be fitted by any petrol driven vehicle with a 12 V electrical system.
Over-speed alarms
Uebergeschwindigkeits-Meldesystem
Radio-Electronics ; 47 , 10 ; 45-106
1976
Article (Journal)
English
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