To provide a heartbeat value calculation device for detecting a body surface motion of an occupant with a simple configuration, and using the body surface motion for heartbeat value calculation.SOLUTION: A heartbeat value calculation device includes a Doppler sensor, a heartbeat value calculation part, a seat belt, and a seat belt detection sensor. The Doppler sensor detects a body surface motion (body motion) of an occupant. The heartbeat value calculation part executes heartbeat value calculation processing for calculating a heartbeat value of the occupant on the basis of a detection value related to the body surface motion detected by the Doppler sensor. The seat belt constrains the occupant. The seat belt detection sensor detects an actuation amount of the seat belt. The heartbeat value calculation part excludes a detection value related to a body surface motion corresponding to the time that the actuation amount exceeds a predetermined amount as an abnormal value from an object for the heartbeat value calculation processing on a condition that the actuation amount of the seat belt exceeds the predetermined amount.SELECTED DRAWING: Figure 5

    【課題】簡便な構成により乗員の体表面動作を検知し、心拍値計算に利用することが可能な心拍値計算装置を提供する。【解決手段】心拍値計算装置は、ドップラーセンサと、心拍値計算部と、シートベルトと、シートベルト検知センサとを備える。ドップラーセンサは、乗員の体表面動作(体動)を検出する。心拍値計算部は、ドップラーセンサにより検出された体表面動作に係る検出値に基づいて、乗員の心拍値を計算する心拍値計算処理を行う。シートベルトは、乗員を拘束する。シートベルト検知センサは、シートベルトの作動量を検知する。また、心拍値計算部は、シートベルトの作動量が所定量を超えたことを条件として、所定量を超えた時間に対応する体表面動作に係る検出値を異常値として、心拍値計算処理の対象から除外する。【選択図】図5


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    Title :

    HEARTBEAT VALUE CALCULATION DEVICE


    Additional title:

    心拍値計算装置


    Contributors:

    Publication date :

    2022-09-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    A61B DIAGNOSIS , Diagnostik / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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