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原帖由 井忘川 于 2006-5-8 07:55 发表
4 x( S, n, Z' o9 [) a3 m4 F- z键盘辐射最大是没错的。9 @5 a" O Z1 q% c# Z! K& L
你知道计算机的辐射量是多少吗?
/ L, W5 g7 D, W" Z* t1.键盘1000V/m
5 J! d7 r$ E9 x& {2 E# C9 q4 b2.鼠标450V/m
% [' r% K: V' O$ b* _5 A) K3.屏幕218V/m
" @7 o+ J. D( d4.主机170V/m。 & j: r. r9 j# c; h6 v
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& d5 @; i1 i6 I2 g+ B. S国际标准 TCO’99对CRT显示器的电场强度要求是:
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0 d! o- X. W% }8 x1 S: K: o4 M- aBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
% g+ J R- L% j Y2 Zcm in front of the VDU and at 50 cm in front of it.3 a% _+ a1 z$ E
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at z& l; G# d" I6 q8 r
50 cm around the VDU and at 30 cm in front of it.' ^$ F" M7 V/ \. ]! X
. L2 S" D, t1 Q9 s. c7 K$ @ref: http://www.d-silence.com/downloads/99crt.pdf. ^! W! _/ l1 c3 }* N- |
( a& S0 Z" N# p1 {$ O" u你这218v/m有何科学依据?9 K/ k2 x+ \/ H
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google了一把,源头是这:# S, v( v5 Z9 H/ Z9 A
http://www.daniweb.com/techtalkforums/thread10489.html8 l. v1 d# w& |* Y+ G
- J! E Z+ y1 W; p# U4 a4 M估计就这样以讹传讹了。) S6 `5 I1 Q2 f8 g/ l" B) c
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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