{"number":"US12702339B2","kindCode":"B2","documentType":"grant","title":{"original":"Protective circuitry for external sensing applications","english":"Protective circuitry for external sensing applications"},"abstract":{"original":"Galvanic corrosion of an external electrode of a physiological signal sensor (e.g., ECG sensor) can be reduced. In some examples, protective circuitry, such as a switching circuit, can be used to reduce galvanic corrosion. In a first mode of operation (e.g., corresponding to measurement by the physiological signal sensor), the switching circuit can provide a low-impedance path (e.g., from an external electrode to ground).…","english":"Galvanic corrosion of an external electrode of a physiological signal sensor (e.g., ECG sensor) can be reduced. In some examples, protective circuitry, such as a switching circuit, can be used to reduce galvanic corrosion. In a first mode of operation (e.g., corresponding to measurement by the physiological signal sensor), the switching circuit can provide a low-impedance path (e.g., from an external electrode to ground).…"},"applicants":["Apple Inc."],"inventors":["Priyank Dineshbhai PATEL","Nilay D. JANI"],"filingDate":"2023-09-11","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702339B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702339B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702339B2","ja":"https://downloadpatent.com/ja/patent/US12702339B2"}}