Parkhurst & Oliff
Oxygen sensor
 An oxygen sensor including an elongate planar oxygen sensing element which has an oxygen detecting portion adjacent to one longitudinal end thereof. The detecting portion is exposed to a measurement gas to determine an oxygen concentration of the measurement gas. The sensing element is electrically connected to at least one external device through conductor members. An electrical terminal portion is formed on the sensing element, adjacent to the other longitudinal end thereof. The terminal portion has at least one pair of electrical contacts which are disposed adjacent to corresponding connectors for direct contact therewith. 
NGK Insulators, Ltd.
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inventional inventional inventional inventional
Takao Nobuhide
Murase Kato