Canon patent application shows shutter-like barrier mechanism for protecting mirrorless image sensors

Left: The barrier mechanism when it's closed; Right: The barrier mechanism when it's open. Canon has filed a new patent application for an in-camera mechanism designed to protect the shutter and image sensor of its mirrorless cameras from dust and debris when no lens is attached. Japanese patent application number 2019-234718 describes (machine-translated) an 'invention related to interchangeable lens imaging equipment with a barrier mechanism to protect the imaging element.' What's interesting ...