l with read only memoryUS4099495 *30 Ago 197611 Jul 1978Robert Bosch GmbhMethod and apparatus to determine the timing of a periodically repetitive event with respect to the position of a rotating body, and more particularly ignition timing, fuel injection timing, and the like, in automotive internal combustion enginesUS4205376 *2 Mar 197827 May 1980Nippondenso Co., Ltd.Method and apparatus for ini