Automatic focusing method, automatic focusing device and camera device

• Main Author: CAO SHUAN
• Format: Patent
• Language: English
• Published: 30.12.2015
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

An automatic focusing method, an automatic focusing device and a camera device are provided. The method comprises the steps as follows: acquiring an infrared modulation signal emitted to an object to be shot and an infrared modulation signal reflected back by the object to be shot; respectively mixi...