Knock sensor diagnostic system

Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...

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73 1DV, F02P 515

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active

054211913

ABSTRACT:
A knock sensor diagnostic circuit for use in an automobile by using the reciprocal electromechanical properties of resonators.

REFERENCES:
patent: 3393557 (1968-07-01), Brown et al.
patent: 4255965 (1981-03-01), Schulz et al.
patent: 4289102 (1981-09-01), Katsumata et al.
patent: 4895121 (1990-01-01), McCoy et al.
patent: 4969440 (1990-11-01), Murakami et al.
patent: 5070843 (1991-12-01), Komurasaki
patent: 5284047 (1994-02-01), Brokaw

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