Method and electronic device for user authentication using earphone
Earphones with PPG sensors enable efficient and secure user authentication by detecting bio-responses in the auditory canal, addressing the need for improved biometric methods in electronic devices.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- SAMSUNG ELECTRONICS CO LTD
- Filing Date
- 2025-12-09
- Publication Date
- 2026-07-02
AI Technical Summary
Existing user authentication methods for personalized electronic devices, such as smartphones, often lack convenience and efficiency, especially for high-security applications, and there is a need for a more innovative and secure biometric authentication method.
Utilizing earphones equipped with a Photoplethysmography (PPG) sensor to detect user bio-responses, including vibrations and blood flow changes in the external auditory canal, to authenticate users based on their biometric data, which includes generating a feature vector and comparing it with a pre-stored user profile.
Provides a convenient and efficient user authentication method that enhances security by continuously or periodically authenticating users using earphones, allowing seamless access to applications and services without additional authentication steps.
Smart Images

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