Charging, the internal power supply will automatically cut off, any operation on the display boards shall be void.

充电时，自动将内部电源切断，任何操作对显示牌均无效。

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For the use of off-line switching mode power supply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.

结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。

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At low output voltage, the majority of the rated power of traditional adjustable linear power supply is wasted in the internal power supply and the conversion efficiency is low with huge volume.

传统的可调整线性电源在输出电压低时，电源的大部分额定功率耗费在电源内部，变换效率很低，而且体积庞大笨重。

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Inside you'll find integrated WiFi, but no internal power supply.

ENGADGET: DirecTV HR44 whole-home Genie HD DVR hands-on HD

This computer has no internal power supply, but when a specially designed reader sends out a radio signal, a tiny antenna draws power from the wave and uses it to wake the computer up.

ECONOMIST: High-tech passports are not working

The internal design architecture of the new PS3 system, from the main semiconductors and power supply unit to the cooling mechanism, has been completely redesigned, achieving a much slimmer and lighter body.

ENGADGET: Sony unveils slimmer PS3: $300, lands in September (updated!)