US Patent 10275098 Laser mid-air hologram touch input buttons for a device

Mid-air holograms are used, as touch input buttons, for a device. The buttons enable a user to touch input in mid-air, into devices, such as, smarts toilet's, or used as keyboard input buttons. Using the hologram input buttons, eliminates contacting possibly harmful bacteria, that may be on touch input buttons that have a surface. The holograms are created by lasers, are visible, and have haptic touch. The laser excites air molecules, causing them to illuminate.