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CN104703089A
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Audio regulated power supply inside mobile phone
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CN104697657A
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Simple mobile internal temperature detection circuit
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CN104682916A
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Automatic low-distortion input attenuator
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CN104679192A
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Radiating support pad for electronic device
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CN104684331A
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Slip assembly
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CN104682886A
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Linear video amplifier for cellphones
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CN104680617A
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Vehicle recording device
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CN104683657A
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Video enhancement circuit for mobile phone
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CN104683656A
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Double-input video amplification circuit for mobile phone
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CN104683654A
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Video signal amplification circuit for mobile phone
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CN104683655A
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Video frequency divider for mobile phone
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CN104683542A
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Broadband automatic gain control amplifying circuit for mobile phone
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CN104682888A
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Prefixed amplifying circuit for mobile phone
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CN104679257A
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Input keyboard structure for external use
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CN104679046A
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Sound control circuit capable of controlling vibration frequency of mobile phone through sound
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CN104679045A
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High flexibility sound control circuit of vibration frequency for mobile phone game
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CN104683247A
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Multifunctional router housing
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CN104683246A
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Router shell with line concentrating function
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CN104683502A
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Electronic device with router sleeve
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