 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表* P% {9 c! [8 a3 J" M' P8 }: Y7 p0 `
键盘辐射最大是没错的。
. e: D5 h3 \4 ], F6 F- w你知道计算机的辐射量是多少吗?
/ [6 t9 L: A/ q1.键盘1000V/m% V' O! \4 Q" \
2.鼠标450V/m
9 b x; }1 Y% X: i$ U3.屏幕218V/m
0 ], F8 R) }" I* ^" M4.主机170V/m。 ! ]6 a, h! l( q9 U9 ? z2 j9 m
/ A/ Z) ~& a6 z, e
+ o. b6 x! n6 c# u. {) I1 I O
国际标准 TCO’99对CRT显示器的电场强度要求是:6 F5 T' [! x, a
! ]* K9 x6 g7 C" V$ i3 ]Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
& S2 H: n( h( S* ncm in front of the VDU and at 50 cm in front of it.
4 @7 o( } b x( G3 t; L- D7 z. v; HBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
5 Y! i7 V( G- R: K7 u3 g$ q! {50 cm around the VDU and at 30 cm in front of it. w6 v+ V9 [& W! u8 _
4 W: U b2 T+ E L4 I$ yref: http://www.d-silence.com/downloads/99crt.pdf! P% D2 J$ N' X, |! J6 Y# }" Y
v |7 p0 U% Y" |4 |
你这218v/m有何科学依据?
9 O, A+ b. ~$ v* n: s% h, g" A; R% P3 z3 \# [4 ?( r
google了一把,源头是这:
# e+ K m2 y* t0 D' Q6 K8 }http://www.daniweb.com/techtalkforums/thread10489.html
8 O7 y1 m$ ^ q# [" ?6 b O- V. C! o. v- B0 q" _ L
估计就这样以讹传讹了。0 I' G$ p, R( q9 c& `
; Y- c& i- o# Z( T* c( |* c3 X
[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|