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原帖由 井忘川 于 2006-5-8 07:55 发表3 A! N1 h) u1 \ X4 j
键盘辐射最大是没错的。
, p: F! P' \3 o a6 B4 D. E- F# S你知道计算机的辐射量是多少吗?( S3 F* f! C& i" d
1.键盘1000V/m/ K6 h9 N/ a2 W6 Y. u6 {
2.鼠标450V/m
3 j* r; {9 i- O- D3.屏幕218V/m0 W# L" j/ ]) X$ s; H0 [3 ]
4.主机170V/m。 / m' T+ R+ Z# Y: q; [% D
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- S" Z Y5 [7 s4 Y0 s4 Y国际标准 TCO’99对CRT显示器的电场强度要求是:
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9 k: z6 w/ o) E3 xBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
- Z" i6 ?4 x3 J8 r! ^( @+ s- tcm in front of the VDU and at 50 cm in front of it.
7 D9 m* i* C! U6 lBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at, @: F4 l5 a9 J" s1 C( I
50 cm around the VDU and at 30 cm in front of it.: K c6 W: U5 [6 N; x
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ref: http://www.d-silence.com/downloads/99crt.pdf8 v2 u: L9 Y% [& j
. d% g9 a( |; r% k' i你这218v/m有何科学依据?" [! O0 n B8 t3 V0 F
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google了一把,源头是这:$ L# _5 ], ^' ~7 B
http://www.daniweb.com/techtalkforums/thread10489.html
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* Z$ @" I& I# t2 q( U8 T估计就这样以讹传讹了。- A! W5 n# {1 ]9 `- v! e5 L
% I$ n0 q- W4 L. P[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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