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Emanuel S Weisbart: Digital tachograph system with digital memory system. Bernard Malina, February 12, 1980: US04188618 (85 worldwide citation)

A digital tachograph system includes a vehicle unit operative to detect vehicle performance characteristics such as vehicle speed, elapsed trip distance, engine rpm, total engine revolutions, total fuel consumption, rate of fuel consumption and the like as a function of time. The forgoing vehicle pe ...


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Emanuel S Weisbart: Vehicle performance control system. Bernard Malina, April 13, 1976: US03950700 (15 worldwide citation)

An electronic multi-mode vehicle performance control system selectively provides a digital display of odometer, tachometer, speedometer readings as well as other vehicle performance parameters while avoiding the disadvantages of mechanical systems which are subject to frequent breakdown. Provision i ...