Patent ID: 9468390
Filing Date: 2016-10-18
CPC Classification: A61B

Claim Text:
1. A sensor for contactless electrocardiographic measurement of an occupant of a seat, comprising: at least one terminal for mounting in a backrest of the seat and for connection with a measurement apparatus; a plurality of electrocardiographic electrodes arranged in a matrix for mounting within the backrest to generate a measurement signal of the seat occupant, each electrode having an undeflected condition wherein it is spaced from the at least one terminal by a first distance and movable by pressure applied by the seat occupant to a deflected condition wherein it is spaced from the at least one terminal by a second distance smaller than the first distance; and a switching contact between each one of the electrodes and the at least one terminal, each switching contact spaced from at least one of its respective electrode and the terminal when the respective electrode is in the undeflected condition, movement of the respective electrode from the undeflected condition to the deflected condition placing the switching contact in contact with both the electrode and the terminal to conduct the measurement signal from the electrode to the terminal.