Laser Projection Virtual Keyboard

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Shenzhen
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Min Order Qty:
2 Pieces pc
Supply Capability:
10000 Piece/Pieces per Month pc/month

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Specifications

Projected Laser Keyboard for Ipad/Iphone and Tablet PC

Physical Dimension:36mmx18mmx74mm
 Weight:Approx. 40g
Keyboard light source:Red laser diode
Keyboard language:English
Keyboard layout:20.8mm sized QWERTY layout
Projection size:Approx. 241mm*101mm
Projected Keyboard location:Approx. 97.9mm from keyboard device
Keystroke Sound:Built in buzzer(Mute on/off the sound)
Visibility:Good contrast up to 1800 lux ambient illumination
Detection rate:Over 400 characters per minute
Detection algorithm:Multiple key stroke support
Effective key stroke: Approx. 2mm
Required projection surface: Non-reflective, opaque flat surface 
Power source: The USB bus power
Lithium-ion battery power
The DC input power
Battery capacity: 700mAH(Max) 3.7V Replaceable soft-pack type
Charger:Rating 800mA @ 5V
Interface:USB 1.1 and 2.0 for PC
Bluetooth(v2.0 class 2,class 3 )HID  for Mobile devices
 Switch mode:Switch the active/Standby mode manually
 Power consumption:max. 2.4W 4.2V
 Use temperature:Approx. 0~50°C
Storage temperature:Approx. -20~50°C
Software compatibility:  All USB HID Compliant OS, All Bluetooth HID Compliant Mobile Device, Windows XP/WINDOWS 7 or Higher, LINUX, Ipad ,Iphone,Android 2.2 or Higher

 

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Q:Selection of the keyboard noise
I believe that all users are very hate keyboard noise, especially those who still work
Q:Compared with laser etching and screen printing
So, in addition to those who cannot afford a laser etching machine small factory had no choice
Q:The deficiency of hollow printing
this kind of transparent material used in the manufacture of the keyboard, its elasticity, hardness and wear resistance of the less common congenital cap material
Q:See if the welding module is faulty
Remove the dirt inside the corner of the keyboard, the tool can be used brush, brush, etc., but pay attention to the action to be gentle
Q:How to keeping keyboard clean:
If you do not want to start, spend tens of dollars to buy a new one is a good choice.
Q:Some suggestions for cleaning keyboard
The keycap and the keyboard shell please dry after assembly.
Q:Impregnation (also called sublimation printing method)
Immersion printing is a printing method that is different from ordinary ink printing
Q:Keyboard keyboard can not identify the problem
 It is best to use a camera to shoot down the keyboard layout or draw a sketch. After the cap is removed,
Q:The Principles of screen printing
after drying can be formed in a plastic protective film layer is covered on the printed handwriting, 
Q:The principle of laser packing
 Laser packing technology is also so, first with the laser etching technique of printing over text (but usually than laser etching 7building too shallow, in order to ensure the smooth surface), and then use the two printing ink printing

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