Pop-up components in smartphones are becoming increasingly familiar concepts in anti-notch technology. However, a tech blog claims to have uncovered patents that suggest the OEM OPPO is considering a different approach to them. The 'pop-ups' portrayed in them deploy things besides selfie cameras.
https://www.notebookcheck.net/OPPO-s-latest-patent-may-be-for-the-strangest-pop-up-phones-yet.415810.0.html