公开(公告)号：US20200041680A1

公开(公告)日：2020-02-06

申请号：US16480393

申请日：2018-02-01

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUTA OKAZAKI ,  HIROSHI NAITOU ,  TSUYOSHI NISHIO

IPC: G01V3/08

Abstract: Capacitive sensor includes sensor electrode, sensor circuit that is electrically connected to sensor electrode measures capacitance of sensor electrode, first impedance element, noise detection circuit that is electrically connected to sensor electrode through first impedance element and measures noise, and control circuit that switches between on and off of each of sensor circuit and noise detection circuit. Control circuit causes sensor circuit to measure the capacitance of sensor electrode by turning on sensor circuit and by turning off noise detection circuit and control circuit causes noise detection circuit to measure the noise by turning off sensor circuit and by turning on noise detection circuit.

公开(公告)号：US20190389489A1

公开(公告)日：2019-12-26

申请号：US16559659

申请日：2019-09-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUTA OKAZAKI ,  YOUICHI KUROSAWA

IPC: B60W50/14 ,  B62D1/06

Abstract: Grip sensor includes base material, sensor wire formed on base material, and sensor circuit electrically connected to an end of sensor wire. Sensor wire includes first wire portion on a side of sensor end, and a second wire portion on a side of power source end. In a state where base material is attached on a rim, second wire portion is disposed at an outer peripheral surface of the rim that is a site opposing a knee or thigh of a driver operating a steering wheel, and first wire portion is disposed at a front side and a rear side of the rim.

公开(公告)号：US20180022374A1

公开(公告)日：2018-01-25

申请号：US15548998

申请日：2016-02-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHINJI FUJIKAWA ,  YUTA OKAZAKI ,  HIROSHI NAITOU ,  TSUYOSHI NISHIO ,  NOBUHARU KATSUKI

IPC: B62D1/06 ,  H03K17/96 ,  B60R16/037

CPC classification number: B62D1/065 ,  B60R16/037 ,  B62D1/046 ,  G01V3/08 ,  H03K17/962

Abstract: A steering wheel grip detection device includes a series circuit including an inductance element, a thermostat incorporated into a steering wheel, and a heater incorporated into the steering wheel; an electrostatic sensor circuit that detects a grip of the steering wheel by means of an electric or electromagnetic field; and a voltage detecting circuit that detects an open/closed state of the thermostat.

公开(公告)号：US20160101805A1

公开(公告)日：2016-04-14

申请号：US14890148

申请日：2014-12-04

Applicant: PANASONIC INTELLECTUAL; PROPERTY MANAGEMENT CO., LTD.

Inventor： TSUYOSHI NISHIO ,  HIROSHI NAITOU ,  BAKU SAKAGUCHI ,  SHINJI FUJIKAWA ,  YUTA OKAZAKI

IPC: B62D1/06 ,  H05B6/02 ,  B60L1/02

CPC classification number: B62D1/065 ,  B60L1/02 ,  H05B3/34 ,  H05B6/02 ,  H05B2203/003 ,  H05B2203/007

Abstract: A steering wheel heater device including: a steering wheel heater configured of an electrical resistor which produces heat by electrical energy; an inductor; at least one switch; and a sensor circuit, wherein the inductor is connected in series to a first terminal of the steering wheel heater, the at least one switch turns on and off the supply of power to the steering wheel heater, the sensor circuit is electrically connected to the first terminal and determines whether a detected subject is in contact with a steering wheel based on a magnitude of capacitance of the steering wheel heater, and the at least one switch is at least one of a switch connected in series to the first terminal of the steering wheel heater via the inductor and a switch connected in series to a second terminal of the steering wheel heater.

Abstract translation: 一种方向盘加热器装置，包括：方向盘加热器，其由通过电能产生热量的电阻器构成; 电感; 至少一个开关; 以及传感器电路，其中所述电感器串联连接到所述方向盘加热器的第一端子，所述至少一个开关接通和断开对所述方向盘加热器的供电，所述传感器电路电连接到所述第一 终端，并且基于所述方向盘加热器的电容的大小来确定检测到的被摄体是否与方向盘接触，并且所述至少一个开关是与所述方向盘的第一端子串联连接的开关中的至少一个 通过电感器加热器和串联连接到方向盘加热器的第二端子的开关。

公开(公告)号：US20180327016A1

公开(公告)日：2018-11-15

申请号：US15571832

申请日：2016-03-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUTA OKAZAKI ,  SHINJI FUJIKAWA ,  HIROSHI NAITOU ,  TSUYOSHI NISHIO

IPC: B62D1/04 ,  B62D1/06 ,  B62D51/00

CPC classification number: B62D1/046 ,  B62D1/065 ,  B62D51/002 ,  G01V3/08

Abstract: A steering wheel grip detection device includes a positive electrode terminal electrically connected to a positive electrode of a power source and a negative electrode terminal electrically connected to a negative electrode of the power source. The steering wheel grip detection device further includes a thermostat, a heater, and an inductance element that are electrically connected with one another in this order in series wiring from the positive electrode terminal to the negative electrode terminal, as well as a capacitor through which a wiring path from the thermostat to the heater is electrically connected with the negative electrode terminal. The steering wheel grip detection device has an electrostatic sensor circuit that is electrically connected with a wiring path from the inductance element to the heater and that detects a grip on a steering wheel by a capacitance value of the heater.

公开(公告)号：US20170079089A1

公开(公告)日：2017-03-16

申请号：US15311285

申请日：2015-05-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUTA OKAZAKI ,  HIROSHI NAITOU ,  SHINJI FUJIKAWA ,  TSUYOSHI NISHIO ,  NOBUHARU KATSUKI

IPC: H05B1/02 ,  H05B3/18 ,  G01L5/22 ,  B60R16/027 ,  B62D1/06

CPC classification number: H05B1/0236 ,  B60R16/027 ,  B60R21/01532 ,  B62D1/046 ,  B62D1/065 ,  G01L1/14 ,  G01L5/22 ,  G01L5/221 ,  H05B3/18 ,  H05B3/20

Abstract: An electrostatic grip detection device includes a base material, a heater wire, a sensor wire, and a detection unit. The heater wire is formed in the base material. The sensor wire is formed in the base material, and has a first end electrically connected to the heater wire and a second end opened. The detection unit is electrically connected to at least one of the heater wire and the sensor wire, and senses a change in electrostatic capacitance of at least one of the heater wire and the sensor wire.

Abstract translation: 静电抓地力检测装置包括基材，加热丝，传感器线和检测单元。 加热丝线形成在基材中。 传感器线形成在基材中，并且具有与加热丝电连接的第一端和打开的第二端。 检测单元电连接到加热线和传感器线中的至少一个，并且感测加热线和传感器线中的至少一个的静电电容的变化。

公开(公告)号：US20150330931A1

公开(公告)日：2015-11-19

申请号：US14691180

申请日：2015-04-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHINJI FUJIKAWA ,  NOBUHARU KATSUKI ,  TSUYOSHI NISHIO ,  HIROSHI NAITOU ,  YUTA OKAZAKI

IPC: G01N27/22 ,  B62D1/06

CPC classification number: H03K17/9622 ,  B62D1/06 ,  G01N27/22 ,  H03K2217/94026

Abstract: A grip sensor includes: a plurality of capacitive detectors which are disposed in a grip of a steering wheel of a vehicle, and output values which vary according to whether a human body is in contact; and a controller which determines, at a preset timing, a reference value to be subtracted from the values output from the plurality of capacitive detectors, to determine whether the human body is in contact, wherein the controller identifies, from among values output from the plurality of capacitive detectors at the preset timing, one or more values each having an absolute value smaller than a first threshold, and determines, as the reference value, one of the one or more values identified or an average of the one or more values identified.

Abstract translation: 夹持传感器包括：设置在车辆的方向盘的手柄中的多个电容性检测器，以及根据人体是否接触而变化的输出值; 以及控制器，其在预设定时从所述多个电容检测器输出的值中确定要从所述多个电容检测器输出的值中减去的参考值，以确定所述人体是否接触，其中所述控制器从所述多个电容检测器输出的值中， 的电容检测器，其中一个或多个值具有小于第一阈值的绝对值，并且确定所标识的一个或多个值中的一个或所标识的一个或多个值的平均值作为参考值。