A device for sensing pressure using two perforated rigid films in which a diaphragm is mounted between the first two films. The device senses positive and negative pressure through a port or opening to the region for which pressure data is desired. The device communicates capacitive pressure and changes in that pressure. The flexible diaphragm is spaced from the first and second films such that the flexible diaphragm is adapted to flex toward the first film when pressure increases in the opening and is adapted to flex toward the second film when pressure decreases in the opening to change the capacitance between the diaphragm and at least one of the first and second films. Spacers are used to position all three elements.
申请公布号
WO2006026081(A2)
申请公布日期
2006.03.09
申请号
WO2005US28126
申请日期
2005.08.09
申请人
HONEYWELL INTERNATIONAL INC.;TZU-YU, WANG;CABUZ, EUGEN, I.