SYSTEMS METHODS AND RELATED APPARATUS FOR DETERMINING PHYSIOLOGICAL PARAMETERS

Methods systems and related apparatus are provided for controlling an electronic device to operate an external sensor connectable to an audio interface of the electronic device by applying a first harmonic driving signal to a first contact and a second harmonic driving signal to a second contact of...

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Bibliographische Detailangaben
Hauptverfasser: PETERSEN CHRISTIAN LETH, ANSERMINO JOHN MARK, DUMONT GUY
Format: Patent
Sprache:eng
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Zusammenfassung:Methods systems and related apparatus are provided for controlling an electronic device to operate an external sensor connectable to an audio interface of the electronic device by applying a first harmonic driving signal to a first contact and a second harmonic driving signal to a second contact of the audio interface for driving the external sensor receiving a response signal at a third contact of the audio interface adjusting at least one of the first and second harmonic driving signals determining one or more physiological parameters based on characteristics of the first and second harmonic driving signals and the response signal and outputting the determined one or more physiological parameters.