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原帖由 井忘川 于 2006-5-8 07:55 发表4 l4 l1 V4 `/ Z* M9 `% G6 Z& b
键盘辐射最大是没错的。- q, Z, J8 R: F0 Y
你知道计算机的辐射量是多少吗?4 u. E8 l: z8 o2 P- ^
1.键盘1000V/m
. p8 Y+ f( t! ~" O; G% D1 \/ @+ U2.鼠标450V/m
! h# `9 L% h' N$ o: Z, Y% K3.屏幕218V/m5 w, r% X, ^/ Y
4.主机170V/m。 1 q* |9 }) v3 t8 X% |4 `
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国际标准 TCO’99对CRT显示器的电场强度要求是:8 Q: `7 r6 A9 @1 m3 T" X) N
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
* Z( G2 i0 C% _cm in front of the VDU and at 50 cm in front of it.
$ h7 b$ Y ?$ H$ YBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
9 k- d% z/ m( Z' Y50 cm around the VDU and at 30 cm in front of it./ c P7 h' `9 x
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ref: http://www.d-silence.com/downloads/99crt.pdf
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0 D! `& R& W& ?你这218v/m有何科学依据?$ M* g+ s/ u3 @9 L l5 b& b2 U* \4 q
5 z& }) k! a% _6 a z l- r6 ngoogle了一把,源头是这:" Z# c* |* _7 {* q& p+ {( q
http://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。# l" G3 ^' u0 h" a- a
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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