公开(公告)号：US20190257639A1

公开(公告)日：2019-08-22

申请号：US16071118

申请日：2017-03-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKUYA TOMIDA ,  TAKESHI UEMURA ,  HIDEAKI FUJIURA ,  RYO OSABE

IPC: G01B7/30 ,  G01D5/14

Abstract: A rotation detecting device includes first to fourth magneto-resistive elements that are provided on a first substrate to constitute a bridge circuit, a detection circuit provided on a second substrate, first to fourth wirings each connecting between the detection circuit and respective one of ends of the first to fourth magneto-resistive elements, first to fourth nodes provided on the second substrate, and first and second amplifiers provided on the second substrate. The first node combines signals on the first and second wirings. The second node combines signals on the third and fourth wirings. The first and second amplifiers amplify signals at the first and second nodes, respectively.

公开(公告)号：US20160153837A1

公开(公告)日：2016-06-02

申请号：US14895927

申请日：2014-05-30

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： KATSUMI KAKIMOTO ,  MASAAKI SAITO ,  YOSUKE HAGIHARA ,  TAKAFUMI OKUDO ,  YOICHI NISHIJIMA ,  RYO OSABE ,  NAOKI USHIYAMA ,  SUMIO AKAI ,  YASUFUMI SHIBATA

IPC: G01J5/08 ,  G01J5/00 ,  G01J5/20

CPC classification number: G01J5/0853 ,  G01J5/0025 ,  G01J5/024 ,  G01J5/045 ,  G01J5/12 ,  G01J5/20 ,  G01J2005/106 ,  G01J2005/202

Abstract: An infrared sensor, which achieves a low manufacturing cost, or has high sensitivity, or in which an increase in heat capacity is reduced, is provided. The infrared sensor includes a first infrared absorbing portion, an infrared sensing portion for sensing infrared rays based on infrared rays absorbed by the first infrared absorbing portion, and a plurality of protrusions including metal and disposed apart from each other on a surface of the first infrared absorbing portion. Since an absorption rate of infrared rays is improved, sensitivity can be improved, or an increase in heat capacity can be reduced.

Abstract translation: 提供了实现低制造成本或具有高灵敏度或其中减少热容量增加的红外传感器。 红外线传感器包括：第一红外线吸收部，用于感测基于由第一红外线吸收部吸收的红外线的红外线的红外线感测部，以及包含金属的多个突起，在第一红外线吸收部的表面上彼此分离设置 吸收部分。 由于红外线的吸收率提高，所以可以提高灵敏度，或者可以降低热容量的增加。

公开(公告)号：US20200064416A1

公开(公告)日：2020-02-27

申请号：US16612417

申请日：2018-05-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIDEAKI FUJIURA ,  TAKUYA TOMIDA ,  RYO OSABE

IPC: G01R33/09 ,  G01D5/244 ,  H01L43/06 ,  H01L43/08 ,  H01L23/00

Abstract: The present disclosure provides a magnetic sensor with improved accuracy or reliability. The magnetic sensor includes a first magnetism detection element that outputs a first detection signal, a second magnetism detection element that outputs a second detection signal, and a detection circuit that receives the first and second detection signals. The detection circuit corrects the first detection signal for each section in a ( 1/16n) period of the first detection signal, when n is a natural number. With this configuration, the magnetic sensor has high accuracy or high reliability, and therefore is useful as, for example, a magnetic sensor used for detecting a steering angle and the like of a vehicle.

公开(公告)号：US20190257671A1

公开(公告)日：2019-08-22

申请号：US16071134

申请日：2017-03-13

Applicant: Panasonic Intellectual Property Management Co.,Ltd

Inventor： RYO OSABE ,  HIDEAKI FUJIURA ,  TAKESHI UEMURA ,  TAKUYA TOMIDA

IPC: G01D5/16 ,  G01D5/14 ,  G01R15/20 ,  G01R35/00 ,  G01R33/09 ,  G01R33/07 ,  B62D15/02

Abstract: A rotation detecting device includes first and second magnetic detection elements that output first and second signals and a detection circuit having the first and second signals input thereto. The detection circuit includes an automatic correction circuit that performs generating and updating of a correction value for correcting the and second signals. The automatic correction circuit is configured to stop the generating or the updating of the correction value in at least one of a case where a rotation direction of an object is changed to a reverse rotation direction from a normal rotation direction and a case where a rotation direction of the object is changed to the normal rotation direction from the reverse rotation direction.

公开(公告)号：US20160131683A1

公开(公告)日：2016-05-12

申请号：US14997538

申请日：2016-01-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO ONAKA ,  TAKASHI UMEDA ,  SHIGEHIRO YOSHIUCHI ,  RYO OSABE

IPC: G01R15/20 ,  G01R33/09 ,  G01R19/00

CPC classification number: G01R15/205 ,  G01R15/207 ,  G01R19/0092 ,  G01R33/09

Abstract: A magnetic sensor has a first tube-shaped bias magnet and a first magnetic sensor element. The first tube-shaped bias magnet has a bottom face, a top face facing the bottom face, and an outer side surface and an inner side surface both located between the bottom face and the top face, and includes an N pole formed by magnetizing one of the bottom face and the top face and an S pole formed by magnetizing a remaining one of the bottom face and the top face. The first magnetic sensor element is located in an inner space surrounded by a plane including the bottom face, a plane including the top face, and the inner side surface. The magnetic sensor can detect intensity of an external magnetic field with high accuracy.

Abstract translation: 磁传感器具有第一管状偏置磁体和第一磁性传感器元件。 第一管状偏置磁体具有底面，面向底面的顶面以及位于底面和顶面之间的外侧面和内侧面，并且包括通过磁化一个而形成的N极 的底面和顶面以及通过磁化底面和顶面中的剩余部分而形成的S极。 第一磁传感器元件位于由包括底面，包括顶面和内侧表面的平面包围的内部空间中。 磁传感器可以高精度地检测外部磁场的强度。