In-situ measurement apparatus

Instrument for measuring spontaneous ignition in an internal com

Internal combustion engine control apparatus

Internal combustion engine knock determination device

Internal combustion engine knock determination device

Internal combustion engine knock sensing method and system

Internal combustion engine knocking sensing and recognition syst

Internal combustion engine knocking sensor arrangement

Internal combustion engine with a knocking sensor

Internal combustion engine with engine knock sensor

Ion current detector

Ion current detector device for use in an internal combustion en

Ion sensing arrangement for small gasoline engine

Knock deriving apparatus for internal combustion engines

Knock detecting apparatus

Knock detecting apparatus and method for internal combustion...

Knock detecting apparatus for an internal combustion engine

Knock detecting apparatus for internal combusion engines

Knock detecting apparatus for internal combustion engine

Knock detecting apparatus for internal combustion engine