PIEZOELECTRIC SENSOR AND ELECTRONIC DEVICE

WIPO Patent Application WO/2014/196360

A1

[Problem] To provide a piezoelectric sensor in which position detection and load detection can be carried out within the sensor. [Solution] This piezoelectric sensor (10) is provided with a piezoelectric layer (13), a first electrode (11) laminated on a first main surface of the piezoelectric layer (13), a second electrode (12) laminated on the first main surface of the piezoelectric layer (13) with the first electrode (11), a reference electrode (14) laminated on a second main surface of the piezoelectric layer (13) that is on the opposite side from the first main surface, and this piezoelectric sensor is such that the first electrode is provided with a plurality of first unit electrodes that extend from a first side of the piezoelectric layer (13) to a second side opposite from the first side and have widths that become smaller as the first unit electrodes approach the second side, the second electrode is provided with a plurality of second unit electrodes that extend in the same direction as the first unit electrodes and have widths that become smaller as the second unit electrodes approach the first side, and the first unit electrodes and second unit electrodes are configured so as to engage in a planar view.

WO/2022/157478	FORCE INPUT LOCALISATION
JPH05133963	RELATIVE SPEED DETECTOR FOR SUSPENSION

WATAZU YUJI (JP)
SUETOMI YOSHIKO (JP)
KAKUTANI EIJI (JP)
OZAKI KEISUKE (JP)
SHIBATA JUNICHI (JP)
TOKUNO KATSUMI (JP)
OKUMURA SHUZO (JP)
OMOTE RYOMEI (JP)

PCT/JP2014/063468

December 11, 2014

May 21, 2014

Click for automatic bibliography generation  

NISSHA PRINTING (JP)

G01L1/16; G01B7/00; G01L5/00; G06F3/047

WO2010095581A1

2010-08-26

JP2002504223A	2002-02-05
US5054323A	1991-10-08
JP2000321013A	2000-11-24

View/Download PDF      PDF Help

Previous Patent: PIEZOELECTRIC SENSOR AND PRESSURE DETECTION DEVICE

Next Patent: ELECTRIC BRAKE CONTROL SYSTEM