CHARGE-TO-DIGITAL CONVERTER FOR TIME-DOMAIN DUAL LIFETIME REFERENCING

    公开(公告)号:US20250130162A1

    公开(公告)日:2025-04-24

    申请号:US18924362

    申请日:2024-10-23

    Abstract: A wearable, miniaturized wireless device provides accurate measurement of transcutaneous carbon dioxide diffusing though the skin detects a luminescent response of a carbon dioxide-sensitive film, providing an accurate reflection of a person's blood carbon dioxide levels. The device employs a charge-to-digital converter (CDC) architecture operable for implementation of a time-domain dual lifetime referencing computation to measure transcutaneous carbon dioxide. This potential product enables highly accurate and precise measurements of transcutaneous carbon dioxide while minimizing interference from confounding factors.

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