JP6814540B2 - 生体信号測定装置及び方法 - Google Patents
生体信号測定装置及び方法 Download PDFInfo
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Description
前記第1の光は、第1の角度で偏光された光であり、前記第2の光は、前記第1の角度と異なる第2の角度で偏光された光であり、前記挿入層は、前記第1の角度で偏光された光を透過させて前記第2の角度で偏光された光を反射させ得る。
前記挿入層は、外部の力によって物理的に外形が変形され得る。
前記挿入層は、前記測定対象の表面に付着されるステッカー及びタトゥーのうちのいずれか1つであり得る。
前記生体信号測定装置は、前記光検出器に入力される信号のうちの少なくとも1つに基づいて生体信号情報を抽出する信号処理器を更に含むことができる。
前記生体信号測定装置は、モバイル装置又はウェアラブル装置に含まれて動作し得る。
前記生体信号測定装置は、前記光検出器に外部光が流入することを防止するためのシールドを更に含むことができる。
前記光源部は、前記シールドの一側に位置して前記測定対象に向かって前記第1の光を放射する第1の光源と、前記シールドの他側に位置して前記測定対象に向かって前記第2の光を放射する第2の光源と、を含み得る。
前記光検出器は、前記シールドの一側に位置して前記測定対象を透過した第1の光を検出する第1の光検出器と、前記シールドの他側に位置して前記挿入層によって反射された第2の光を検出する第2の光検出器と、を含み得る。
前記挿入層は、該挿入層に入射した光の波長に基づいて前記第1の光を透過させて前記第2の光を反射させ得る。
また、脈波測定センサにより、皮膚表面波と深部波とを区分して測定することができる。
110、500、600、700、800、900、1000 生体信号測定センサ
120、320、510、610、910 光源部
130、330、530、630、930 光検出器
140、340、520、620、820、920、1110、1210 挿入層
150、355 信号処理器
155、360 光源駆動部
160、365 信号測定部
165、370 制御部
170、375 処理部
175、380 通信部
210、430 増幅部
220 サンプル&ホールド部
230 バッファ
240、440 フィルタ
250、450 A/D変換器
350、640、940 変位/力検出器
410 第2信号測定部
420 信号供給部
540、650、840、950 シールド
550、660、850、960 測定対象
560、670、860、970 血管
710、1010、1220 第1電極
720、1020 第2電極
810 第2の光源
815 第1の光源
830 第2の光検出器
835 第1の光検出器
1120 ストレインゲージ
Claims (12)
- 測定対象に向かって第1の光及び第2の光を放射する光源部と、
前記第1の光を透過させて前記第2の光を反射させ、前記測定対象の表面に接触される挿入層と、
前記測定対象によって反射された第1の光又は前記測定対象を透過した第1の光を検出し、前記挿入層によって反射された第2の光を検出する光検出器と、を備え、
前記測定対象によって反射された第1の光又は前記測定対象を透過した第1の光は、前記測定対象内の血流量の変化に基づいて反射又は透過する光特性が変わり、
前記挿入層によって反射された第2の光は、前記測定対象の表面変位の変化又は前記測定対象の表面における接触力の変化に基づいて反射する光特性が変わることを特徴とする生体信号測定装置。 - 前記第1の光の波長は、前記第2の光の波長よりも長いことを特徴とする請求項1に記載の生体信号測定装置。
- 前記第1の光は、第1の角度で偏光された光であり、
前記第2の光は、前記第1の角度と異なる第2の角度で偏光された光であり、
前記挿入層は、前記第1の角度で偏光された光を透過させて前記第2の角度で偏光された光を反射させることを特徴とする請求項1又は2に記載の生体信号測定装置。 - 前記挿入層は、外部の力によって物理的に外形が変形されることを特徴とする請求項1乃至3のいずれか一項に記載の生体信号測定装置。
- 前記挿入層は、前記測定対象の表面に付着されるステッカー及びタトゥーのうちのいずれか1つであることを特徴とする請求項1乃至4のいずれか一項に記載の生体信号測定装置。
- 前記光検出器に入力される信号のうちの少なくとも1つに基づいて生体信号情報を抽出する信号処理器を更に含むことを特徴とする請求項1乃至5のいずれか一項に記載の生体信号測定装置。
- 前記生体信号測定装置は、モバイル装置又はウェアラブル装置に含まれて動作することを特徴とする請求項1乃至6のいずれか一項に記載の生体信号測定装置。
- 前記光検出器に外部光が流入することを防止するためのシールドを更に含むことを特徴とする請求項1乃至7のいずれか一項に記載の生体信号測定装置。
- 前記光源部は、前記シールドの一側に位置して前記測定対象に向かって前記第1の光を放射する第1の光源と、
前記シールドの他側に位置して前記測定対象に向かって前記第2の光を放射する第2の光源と、を含むことを特徴とする請求項8に記載の生体信号測定装置。 - 前記光検出器は、前記シールドの一側に位置して前記測定対象を透過した第1の光を検出する第1の光検出器と、
前記シールドの他側に位置して前記挿入層によって反射された第2の光を検出する第2の光検出器と、を含むことを特徴とする請求項8又は9に記載の生体信号測定装置。 - 前記挿入層は、該挿入層に入射した光の波長に基づいて前記第1の光を透過させて前記第2の光を反射させることを特徴とする請求項1乃至10のいずれか一項に記載の生体信号測定装置。
- 挿入層を含む生体信号測定センサを用いて生体信号を測定する生体信号測定方法であって、
測定対象に向かって第1の光を放射するステップと、
前記第1の光を前記測定対象の表面に接触させた前記挿入層を透過させて前記測定対象に到達させ、前記測定対象によって反射された第1の光及び前記測定対象を透過した第1の光のうちのいずれか1つを検出するステップと、
前記測定対象に向かって第2の光を放射するステップと、
前記挿入層によって反射された前記第2の光を検出するステップと、
前記検出された第1の光及び前記検出された第2の光のうちの少なくとも1つに基づいて前記測定対象の生体信号情報を取得するステップと、を有し、
前記測定対象によって反射された第1の光又は前記測定対象を透過した第1の光は、前記測定対象内の血流量の変化に基づいて反射又は透過する光特性が変わり、
前記挿入層によって反射された第2の光は、前記測定対象の表面変位の変化又は前記測定対象の表面における接触力の変化に基づいて反射する光特性が変わることを特徴とする生体信号測定方法。
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KR10-2015-0096547 | 2015-07-07 | ||
KR1020150096547A KR102436728B1 (ko) | 2015-07-07 | 2015-07-07 | 생체 신호 측정 장치 및 방법 |
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US (1) | US9737220B2 (ja) |
EP (1) | EP3114986B1 (ja) |
JP (1) | JP6814540B2 (ja) |
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CN (1) | CN106333662B (ja) |
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KR102455430B1 (ko) * | 2015-01-12 | 2022-10-17 | 삼성전자주식회사 | 체표압력 및 혈액용적의 동시 측정장치 및 방법 |
GB2547736B (en) * | 2016-07-01 | 2018-06-20 | Polar Electro Oy | Photoplethysmographic sensor configuration |
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