Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10878671 | Communicating between devices in a doorbell system using AC power waveforms | — | 2020-12-29 |
| 10834366 | Audio/video recording and communication doorbell devices with power control circuitry | Daniil Tretiakov, Robert Tso | 2020-11-10 |
| 10803719 | Batteryless doorbell with energy harvesters | — | 2020-10-13 |
| 10797755 | Communicating between devices in a doorbell system using AC power waveforms | — | 2020-10-06 |
| 10638097 | Audio/video recording and communication doorbell devices | Robert Tso, Chih-Jung Lin | 2020-04-28 |
| 10567711 | Batteryless doorbell with rectified power delivery | — | 2020-02-18 |
| 10560149 | Communicating between devices in a doorbell system using AC power waveforms | — | 2020-02-11 |