Autofocus testing device
US10203595B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Oct 24, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/67
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an autofocus testing device. The autofocus testing device includes a first focusing plate; a second focusing plate; a driver configured to drive at least one of a camera and the first and second focusing plates to aim a lens of the camera at the first and second plates in turn, wherein a first distance between the first focusing plate and the camera is different from a second distance between the second focusing plate and the camera; and a controller configured to obtain status information of the driver, determine whether the lens is aimed at one of the first and second focusing plates based on the status information, and control the camera to perform an autofocus image capture operation when the lens is aimed at one of the first and second focusing plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.