US12046127B2 | 23 July 2024 | Grant | US17829426 | Video doorbell and automatic setting method thereof | SerComm Corp |
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US11573314B2 | 7 February 2023 | Grant | US17898959 | Ultra-wideband (UWB) tag and operation methods thereof | Sernet (Suzhou) Technologies Corporation |
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US11493589B2 | 8 November 2022 | Grant | US17335113 | Positioning tag operation method and positioning system operation method | SerComm Corp |
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US11486998B2 | 1 November 2022 | Grant | US17068038 | Ultra-wideband (UWB) positioning system, base station, tag and operation methods thereof | Sernet (Suzhou) Technologies Corporation |
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US11437925B2 | 6 September 2022 | Grant | US17117136 | Green bridge circuit for adjusting direct current power source and alternating current power source | SerComm Corp |
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