On-board motor vehicle timing measurement system

Details On-board motor vehicle timing measurement system On-board motor vehicle timing measurement system

1985-02-01

1987-11-17

Lall, Parshotam S.

Boots, shoes, and leggings

364569, 123416, 123414, F02P 504

Patent

active

047077913

ABSTRACT:
Engine timing measurement apparatus receives the engine gear tooth signal, sensed combustion, and a crankshaft index (CI) of top dead center (TDC). The apparatus includes a whole tooth interval counter for providing a whole number count of each complete tooth interval, and partial tooth counters for counting incomplete tooth intervals as the ratio of clock pulses counted in a present incomplete tooth interval divided by clock pulses counted in a preceding complete tooth interval, the partial count added to the whole count to provide a decimal value indicative of engine timing.

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patent: 4355613 (1982-10-01), Rode et al.
patent: 4552110 (1985-11-01), Yoshida et al.
patent: 4575809 (1986-03-01), Sinniger et al.

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