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原帖由 井忘川 于 2006-5-8 07:55 发表/ U; o2 B# C: g( r: R+ I) g o
键盘辐射最大是没错的。3 g3 c0 M! @, v# @# t H1 P+ c% ~
你知道计算机的辐射量是多少吗?# _/ X1 Z p: y S1 g0 N
1.键盘1000V/m" f/ }% k9 {; M' P( `# y6 O+ g% R
2.鼠标450V/m
d7 R1 O- W/ A3.屏幕218V/m
, h, Q* D3 A$ o: q$ Y4.主机170V/m。
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w4 W7 A4 p2 m国际标准 TCO’99对CRT显示器的电场强度要求是:
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
+ ?( ~0 \" m, c5 icm in front of the VDU and at 50 cm in front of it.9 ^. E& d J! D' y0 F
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at! V* c5 b/ o, F7 E# _/ Q4 j
50 cm around the VDU and at 30 cm in front of it.2 Q, b% k T& ?
+ `0 P0 z5 {4 a0 C$ `9 x Qref: http://www.d-silence.com/downloads/99crt.pdf1 Q# v4 U9 h. O4 R) z
# s9 x" c7 M F( r2 L你这218v/m有何科学依据?7 D( [+ g% W& h1 Y
2 T' g$ {- t4 B9 ?: ]$ c& ^google了一把,源头是这:! a# x* {6 ?, C+ D& X, F* [
http://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。
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) l) B. s. T7 v3 o F: h" q. Z[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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