Method and apparatus for varying focal length of camera device, and camera device
US10341569B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Dec 19, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04806
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses a method and an apparatus for varying a focal length of a camera device, and a camera device capable of varying a focal length thereof. The method includes: obtaining a position where one finger of a user touches a touch screen of the camera device; obtaining an image zooming multiple according to a distance and a direction that the finger of the user slides on the touch screen of the camera device; and zooming, according to the image zooming multiple and by using the position on the touch screen of the camera device where the finger of the user touches the touch screen of the camera device as a center, an image currently taken by the camera device, so as to vary a focal length of the camera device. The apparatus includes: a first obtaining module, a second obtaining module, and a zooming module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.