JP6526124B2 - 信号及びパーフュージョンインデックス最適化のための複数光路アーキテクチャー及び覆い隠し方法 - Google Patents
信号及びパーフュージョンインデックス最適化のための複数光路アーキテクチャー及び覆い隠し方法 Download PDFInfo
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Description
136:携帯電話
140:メディアプレーヤ
144:ウェアラブル装置
146:ストラップ
300:装置
304、314:光センサ
306、316:光放射器
312:ノイズ
320:皮膚
326:パルス波
400:装置
404:光センサ
406、416:光放射器
420:皮膚
600:装置
601:ウインドウ
603:開口
604、614:光センサ
606、616:光放射器
607:反射器
610:ハウジング
620:皮膚
621、623、625、627:光路
644:光学的隔離部
646:ストラップ
648:コンポーネントマウント平面
654:光学的隔離部
700:装置
701:ウインドウ
703:開口
704、714、724、734::光センサ
706、716:光放射器
710:ハウジング
721、723、725、727、729、731、733、735:光路
744:光学的隔離部
746:ストラップ
748:コンポーネントマウント平面
800:コンピューティングシステム
802:プログラムストレージブロック
804:光センサ
806、816:光放射器
808:ハードディスクドライブ
810:プロセッサ
812:I/Oコントローラ
820:皮膚
824:ディスプレイ装置
826:ディスプレイコントローラ
830:タッチスクリーン
832:感知装置
834:感知ポイント
840:タッチコントローラ
842:マイクロコントローラ
890:物体
900:装置
910:ホスト
930:ローデータ
920:通信リンク
940:処理結果
Claims (19)
- 第1の光路を進む第1の光及び第2の光路を進む第2の光を生成する第1の光放射器であって、前記第1の光路は前記第2の光路とは異なる方向を向いている、第1の光放射器と、
前記第1の光放射器を覆う第1のウインドウと、
第3の光路を進む第3の光及び第4の光路を進む第4の光を生成する第2の光放射器であって、前記第3の光路は前記第4の光路とは異なる方向を向いている、第2の光放射器と、
前記第2の光放射器を覆う第2のウインドウであって、前記第1のウインドウから横方向に隔置された第2のウインドウと、
前記第1の光放射器から第1の分離距離に、前記第2の光放射器から第2の分離距離に配置された第1の光センサであって、前記第1の分離距離は前記第2の分離距離とは異なり、前記第1の光センサは前記第1の光を検出し、前記検出された第1の光を表す第1の信号を生成し、前記第1の光センサは更に、前記第4の光を検出し、前記検出された第4の光を表す第4の信号を生成する、第1の光センサと、
前記第1の光センサを覆う第3のウインドウと、
前記第1の光放射器から前記第2の分離距離に、前記第2の光放射器から前記第1の分離距離に配置された第2の光センサであって、当該第2の光センサは前記第2の光を検出し、前記検出された第2の光を表す第2の信号を生成し、前記第2の光センサは更に前記第3の光を検出し、前記検出された第3の光を表す第3の信号を生成する、第2の光センサと、
前記第2の光センサを覆う第4のウインドウであって、前記第3のウインドウの横方向に隔置された第4のウインドウと、
前記第1の光センサ及び前記第2の光センサに接続され、少なくとも前記第1の信号及び前記第3の信号から生理学的信号を決定するプロセッサと、
を備えた電子装置。 - 前記プロセッサは更に、前記第1の信号及び前記第3の信号からフォトプレチスモグラフ(PPG)信号を生成する、請求項1に記載の電子装置。
- 前記プロセッサは更に、前記第1の信号及び前記第3の信号におけるノイズを減少させるために前記第2の信号及び前記第4の信号を使用する、請求項1に記載の電子装置。
- フレネルレンズレンズ又は画像変位膜(IDF)であるレンズを更に備える、
請求項1に記載の電子装置。 - 前記第1の光放射器から前記第1の光と実質的に同じ位置に配置された光学的中央部を含むレンズを更に備える、請求項1に記載の電子装置。
- 前記第1のウインドウと前記第1の光放射器との間に配置されたレンズを更に備え、当該レンズは画像変位膜(IDF)、輝度向上膜又はフレネルレンズである、請求項1に記載の電子装置。
- 前記第1の光放射器と前記第1の光センサとの間に配置された光学的隔離部と、
前記光学的隔離部に配置された反射器と、
を備える、請求項1に記載の電子装置。 - 前記第1の光センサは複数の感知領域に区画される、請求項1に記載の電子装置。
- 前記第1の光放射器及び前記第2の光放射器は異なる波長で光を放射する、請求項1に記載の電子装置。
- 前記第1の光放射器は緑の発光ダイオードであり、前記第2の光放射器は赤外線発光ダイオードである、請求項1に記載の電子装置。
- 前記第1の光放射器をカバーする拡散材を更に備える、請求項1に記載の電子装置。
- 前記拡散材は白のTiO 2 から作られる、請求項11に記載の電子装置。
- 電子装置からの生理学的信号を決定するための方法であって、前記電子装置は第1の光放射器、第2の光放射器、第1の光センサ、第2の光センサ、第1のウインドウ、第2のウインドウ及びプロセッサを備え、前記方法は、
第1のウインドウを介して第1の光放射器から第1の光を放射することであって、前記第1の光は第1の光路を進み、前記第1のウインドウは前記第1の光放射器を覆う、第1の光を放射することと、
前記第1のウインドウを介して前記第1の光放射器から第2の光を放射し、前記第2の光は第2の光路を進み、前記第1の光路は前記第2の光路とは異なる方向を向いている、第2の光を放射することと、
前記第2のウインドウを介して第2の光放射器から第3の光を放射することであって、前記第3の光は第3の光路を進み、前記第2のウインドウは前記第2の光放射器を覆い、前記第2のウインドウは前記第1のウインドウから横方向に隔置される、第3の光を放射することと、
前記第2のウインドウを介して前記第2の光放射器から第4の光を放射することであって、前記第4の光は第4の光路を進み、前記第3の光路は前記第4の光路とは異なる方向を向いている、第4の光を放射することと、
前記第1の光センサを覆う第3のウインドウを介した第1の光を第1の光センサを用いて検出し、前記検出された第1の光を表す第1の信号を生成することと、
前記第3のウインドウを介した第4の光を前記第1の光センサを用いて検出し、前記検出された第4の光を表す第4の信号を生成することと、
前記第2の光センサを覆い、前記第3のウインドウから横方向に隔置された第4のウインドウを介した第2の光を前記第2の光センサを用いて検出し、前記検出された第2の光を表す第2の信号を生成し、
前記第2の光センサを用いて前記第4のウインドウを介した第3の光を検出し、前記検出された第3の光を表す第3の信号を生成することと、
前記第1の信号及び前記第3の信号の少なくとも2つから生理学的信号を決定することと、
を備え、
前記第1の光センサは前記第1の光放射器から第1の分離距離で、前記第2の光放射器から第2の分離距離で配置され、前記第1の分離距離は前記第2の分離距離とは異なり、
前記第2の光センサは前記第1の光放射器から前記第2の分離距離に、前記第2の光放射器から前記第1の分離距離に配置される、
方法。 - 前記生理学的信号の決定に含まれるように前記第2の信号、第4の信号又は両方を動的に選択することを更に含み、前記動的な選択はユーザ特性及び使用状態の少なくとも1つに基づく、
請求項13に記載の方法。 - 前記第1の信号及び前記第3の信号からのノイズを打ち消し又は減少させることを更に含む、請求項13に記載の方法。
- 前記第1の信号から第1の生理学的信号を決定することと、
前記第2の信号から第2の生理学的信号を決定することと、
を更に含む、請求項13に記載の方法。 - 前記第1の生理学的信号は第1の関連パフュージョンインデックスを伴う第1のフォトプレチスモグラフ信号を示し、前記第2の生理学的信号は第2の関連パフュージョンインデックスを伴う第2のフォトプレチスモグラフ信号を表す、請求項16に記載の方法。
- 前記第1の光放射器を動的にアクチベートすることと、
前記第2の光放射器を動的にデアクチベートすることと、
を更に含む、請求項13に記載の方法。 - 前記プロセッサは更に、前記第2の信号及び第4の信号からパフュージョンインデックス信号を生成する、請求項1に記載の電子装置。
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