Method and apparatus for camera autofocus based on Wi-Fi ranging technique

摘要

Methods and apparatus for capturing an image using an automatic focus are disclosed herein. In one aspect, a method is disclosed which includes communicating, using a camera, with a wireless device via a wireless communication network. The method further includes determining a distance between the camera and the wireless device using the wireless communication network and adjusting a focus of the camera based upon the determined distance. Finally, the method includes capturing an image using the adjusted focus of the camera. In some aspects, this method may be done on a smartphone or digital camera which includes Wi-Fi capabilities.

主权项

1. A method of capturing an image using automatic focus, the method comprising:
receiving, by a camera device, a transmission from a wireless device over a wireless network, the transmission including time information indicating when the transmission was sent; determining a distance between the camera device and the wireless device based on comparing the time information included in the received transmission to a time when the transmission was received at the camera device; adjusting a focus of a camera of the camera device based on the determined distance; and capturing an image using the adjusted focus of the camera.