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2019
|
Invention
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Photoelectric joystick assembly. The present invention discloses a photoelectric joystick assembl... |
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2017
|
Invention
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Scissor-leg structural key and its switch device, and a keyboard applying the key. A switch devic... |
|
|
Invention
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Mechanical switch of photoelectrical type and a key assembly of a keyboard. A photoelectrical typ... |
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2016
|
Invention
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Key of optical mechanical keyboard comprising a ring lock with a light transmission groove and a ... |
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2015
|
Invention
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Photoelectric keyboard button. Disclosed is a photoelectric keyboard button, comprising: a circui... |
