公开(公告)号：US20200298530A1

公开(公告)日：2020-09-24

申请号：US16898017

申请日：2020-06-10

Applicant: Alps Alpine Co., Ltd.

Inventor： Tadamitsu SATO ,  Sascha KUNZMANN ,  Unmesh GHOSHDASTIDER ,  Martin OEHLER

IPC: B32B7/025 ,  B60R21/015 ,  B32B5/02 ,  B32B5/26

Abstract: A sensor device has an insulative non-woven fabric and a conductive fabric forming an electrode. The conductive fabric is joined to one surface of the non-woven fabric by at least one of fusion and seaming.

公开(公告)号：US20210387231A1

公开(公告)日：2021-12-16

申请号：US17446351

申请日：2021-08-30

Applicant: ALPS ALPINE CO., LTD.

Inventor： Kunio SATO ,  Hiroshi WAKUDA ,  Tadamitsu SATO

IPC: B06B1/04 ,  H04R9/02

Abstract: A vibration generating device includes a housing; a diaphragm supported by the housing, and configured to generate sound by vibrating in a first direction; and a vibration providing part attached to the housing, and configured to vibrate the housing. The vibration providing part vibrates the housing in the first direction at a first frequency, and vibrates the housing in a second direction at a second frequency lower than the first frequency.