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更新時(shí)間:2025.04.05
USB協(xié)會標(biāo)準(zhǔn)

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USB 2.0 Specification Engineering Change Notice (ECN) #1: Mini-B connector Date: 10/20/2000 Reason for ECN: The USB 2.0 specified device-side connector – the B connector – is too large for use with a new generation of handheld and mobile devices, e.g., cell phones which would benefit from connectivity to the PC. This ECN incorporates a specification of a device-side mini connector (hereafter r

儲熱式電熱暖手器的標(biāo)準(zhǔn)淺析

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本文通過對市場上常見的儲熱式電熱暖手器的種類進(jìn)行介紹,并結(jié)合其對應(yīng)的安全檢測標(biāo)準(zhǔn)中具體條款進(jìn)行詳細(xì)剖析以提高對該標(biāo)準(zhǔn)的理解。

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