Introduction:-
The device projects the image of a QWERTY keyboard onto a flat, non-reflective surface using a red diode laser. The laser, similar to the kind you see on those cheap laser pointers people wave at rock concerts, shines through a Diffractive Optical Element (DOE), which is simply a tiny image of the keyboard
1.Wireless Connectivity:-
This projection keyboard will work via Bluetooth HID. connection to main devices, like Tablet PC, Smartphone, Desktop PC and Video game . ..
Masterkey 4.0 wirelessly connects to a phone and projects a keyboard onto a desk and a big screen display onto a nearby wall.
2.Compact and portable:-
Mini Portable Virtual Laser Projection Keyboard and Mouse For Smartphone, Laptop and Tablets, 3.0 Wireless Bluetooth Laser Projection Keyboard with Mini Speaker Voice Broadcast/ QWERTY Keyboard, Wireless Bluetooth Keyboard/ Laser Keyboard/ Laser Projection Keyboard Bluetooth Multi-device Keyboard (Multicolor)
3.Virtual keyboard layout:-
The laser projection virtual keyboard designed in this thesis is based on OpenCV combine with image camera, 980nm linear laser, 980nm infrared filter and Keyboard projection laser, the image camera detection used with 980nm infrared filter is caused by shielding finger to make 980nm linear laser diffuse reflection the ...
4.Compatibility:-
Compatible with latest operating systems: for Windows XP & later, for Windows Phone 7 & later, for iOS4 and later, for Android 2.1 and later, for Mac OS X & later.
5.Bettery and Powered:-
They are usually powered by a built-in rechargeable battery, which can be recharged via USB
6.Typing Experience:-
While the typing experience may differ from a physical keyboard, many users find them comfortable for short to medium typing sessions.
7.Use Cases:-
They are useful for typing quick emails, messages, or notes when a physical keyboard is not available or convenient.
8.Limitation:-
Overall, Bluetooth laser projection keyboards are innovative and convenient
devices for typing on the go, providing a portable alternative to traditional keyboards.
BRAND :-
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