Doorbell device and method thereof
US10257473B2 · kind B2 · utility
0Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2015 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Apr 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A doorbell device is provided. The doorbell device includes a first camera unit, a second camera unit, a doorbell button, and a processing unit. The first camera unit includes a first camera lens and a first image sensor, generating a first video. The second camera unit includes a second camera lens and a second image sensor, generating a second video. The processing unit selectively activates one of the first camera unit and the second camera unit according to at least one of the first video, the second video, and a state of the doorbell button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.