Using electronic sweep mirror, electronic prober and energy spectrum meter to investigate the groove shape wear of a cutting tool, while numerical controlled turning the pure nickle.

This paper analyzes the electronic control mechanism of Lexus LS400's power rearview mirror and introduces the test methods of its motor, switch and ECU.

Unlike a DSLR, the NX Series does not feature a mirror box and employs an ultra-precise Electronic Viewfinder (EVF).