The gyro sensors are mounted on electronic apparatuses such as a video camera, a virtual reality apparatus, and a car navigation system and used as sensors for hand-movement detection, operation detection, direction detection, and the like. The vibration-type gyro sensor detects an angular velocity by causing a vibrator to vibrate at a predetermined frequency and detecting a Coriolis force caused in the vibrator using a piezoelectric device and the like. ![]() The present technology relates to a gyro sensor capable of detecting an angular velocity and an electronic apparatus including the gyro sensor.Īs angular velocity sensors for consumer use, vibration-type gyro sensors are widely used. 27, 2014, each of which is incorporated by reference herein in its entirety. 31, 2015, which claims priority to Japanese Patent Application Number JP2014-132900, filed in the Japanese Patent Office on Jun. PCT/JP2015/001857, filed in the Japanese Patent Office on Mar. National Stage Entry under 35 U.S.C.sctn. ![]() The second piezoelectric layer functions synchronously with the first piezoelectric layer to cause the vibrator to vibrate in the first axis direction. ![]() The second piezoelectric layer, which includes a second electrode pair and a second piezoelectric film arranged between the second electrode pair, is arranged on the first piezoelectric layer and is capable of causing the vibrator to vibrate in the first axis direction. The first piezoelectric layer, which includes a first electrode pair and a first piezoelectric film arranged between the first electrode pair, is arranged on a front surface of the vibrator and is capable of causing the vibrator to vibrate in a first axis direction vertical to the front surface. The gyro sensor includes: a vibrator a first piezoelectric layer, and a second piezoelectric layer. Patent: Gyro Sensor And Electronic ApparatusĪ gyro sensor having increased sensitivity is provided, along with an electronic apparatus including the gyro sensor.
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