Mobile phone virtual keyboard:

Mobile phone virtual keyboard refers to a virtual keyboard of keys on the screen for full-touch mobile phones. You can directly use the virtual keyboard on the touch screen as a physical keyboard.

The mobile phone virtual keyboard is a method that uses CCITT standard keys and combines multiple function keys to form an actual keyboard and key value table to generate a virtual keyboard to improve data entry.

Laser Keyboard

The full name is Virtual Laser Keyboard, which is a virtual laser keyboard that allows users to type articles as easily as operating an ordinary keyboard. I-Tech Virtual Keyboard uses light projection technology to project a full-size computer keyboard on almost any flat surface. The virtual keyboard's adaptability technology studies the user's finger movements and decodes and records keyboard strokes. Since the virtual keyboard is an image formed by light projection, it will disappear completely when not in use.