When it comes to innovative patents, OPPO is one of the Chinese companies with large resources. From camera technology to display technology to sound, we have seen several patents filed by the company, many of which are yet to be commercialized. A new innovative patent filed by OPPO has yet again been spotted.
The patent filed by OPPO Guangdong Mobile Communications Co., Ltd. is for a “Screen Sounding Method, Device, Electronic Device, and Storage Medium.” The filing has the patent number CN109062536B and was first filed on July 23, 2018, but received approval from the Chinese Patent Office on August 17, 2021.
The patent page describes it as a method, device, electronic device, and storage medium for screen sounding, and relates to the technical field of electronic devices. The electronic device includes a screen capable of vibrating and sounding and an exciter for driving the screen to produce sound. The screen features several sound-producing areas each driven by different exciters. A scenario of how this works is given as during video playback, the method monitors whether the video is played in a small window and then selects a target sound area different from the position of the small window of the video. It then drives the target sound area to vibrate and sound through an exciter.
Basically, this is a method for sound production using the screen and without relying on sound-producing devices such as speakers. The patent is likely part of the move to dive smartphones to their thinnest form factor. A couple of years back, bone conduction technology seems to have been a solution, and Xiaomi even utilized it on the first-gen MIX smartphone. That didn’t eventually catch on. We can’t say for sure if this technology will be included in an OPPO phone any time soon.
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