发明名称 |
KEYBOARD WITH LIGHTING CIRCUIT |
摘要 |
An exemplary keyboard includes at least one lighting circuit and a keypad mounted on the keyboard. The lighting circuit comprises a power source, at least one light emitting diode (LED), and a regulating resistor. The regulating resistor includes an adjustment terminal connected to the power source and a connection terminal connected to the anode of the LED. The cathode of the LED is grounded. The keypad is illuminated by the lighting circuit arranged therein. Therefore, users can adjust illumination of different parts of the keyboard by adjusting the regulating resistors of the lighting circuits arranged therein.
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申请公布号 |
US2009040747(A1) |
申请公布日期 |
2009.02.12 |
申请号 |
US20070946864 |
申请日期 |
2007.11.29 |
申请人 |
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD;HONHAI PRECISION INDUSTRY CO., LTD. |
发明人 |
LIU CHANG-CHUN;GAN XIAO-LIN;HO YU-KUANG |
分类号 |
H01H13/70 |
主分类号 |
H01H13/70 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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