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原帖由 井忘川 于 2006-5-8 07:55 发表5 L" [# a; R% b$ ?, {; y w3 W2 J! T& e
键盘辐射最大是没错的。" s5 h g$ U( w9 P6 Q, h. O6 |0 w
你知道计算机的辐射量是多少吗?7 f. H( e& B' S0 I/ S/ r
1.键盘1000V/m. Y# a, s( T& T! d% a
2.鼠标450V/m) `; f3 o/ o9 d5 z* o4 s4 e
3.屏幕218V/m
2 R4 K7 b# }4 d$ K0 A1 c4.主机170V/m。
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国际标准 TCO’99对CRT显示器的电场强度要求是:
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: E% M5 J$ p' B9 h; ]/ c, \Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
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Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at4 { O. ?5 g: g/ ?
50 cm around the VDU and at 30 cm in front of it.
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# E a" E& t/ B6 J1 B& |ref: http://www.d-silence.com/downloads/99crt.pdf
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你这218v/m有何科学依据?2 G8 b3 ?2 V+ C6 R0 l9 T. Y
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google了一把,源头是这:
5 D7 m# u) {9 D6 Q N2 \1 Yhttp://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。6 k5 q) s: u" i+ C
7 X! h' [( e, { h j' e$ S- G[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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