该公司的研究人员应用的原理是，当可见光照到光电二极管时可以产生电信号(在数码相机中研发了该项技术)。
Its researchers used photodiodes (the technology found in digital cameras) that generate an electrical signal when light strikes them.
由于两个二极管反向并联，所以此电路能够对任何极性的信号进行保护。
With two diodes in parallel back to back, the circuit will provide protection regardless of the signal polarity.
该公司的研究人员应用的原理是，当可见光照到光电二极管时可以产生电信号(在数码相机中研发了该项技术)。
Its researchers used photodiodes (the technology found in digital cameras) that generate an electrical signal when light strikes the m.
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