 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表& @3 \4 A" z! Q
键盘辐射最大是没错的。
8 \) x8 v- y+ ^5 }9 V你知道计算机的辐射量是多少吗?
1 A. ~ ?1 d2 N: S, s% K8 P* o# y1.键盘1000V/m! Z# N' \' q5 e, n: u
2.鼠标450V/m/ Z8 L9 K, _+ `* B6 R- O) X
3.屏幕218V/m) K3 l+ K9 ~3 f) x! x
4.主机170V/m。 8 [' u, \+ B/ A+ p' |2 J1 i
+ y* Y! |4 |8 F
; g: s$ @/ f0 J国际标准 TCO’99对CRT显示器的电场强度要求是:5 [' n, x1 d' t3 j% u+ j
1 N( n2 C# K# u: h( `
Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
Z3 i) a6 H' L. `# h6 Q' xcm in front of the VDU and at 50 cm in front of it.
0 D2 ~0 v6 f; L/ o( ^3 U# A8 fBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at0 ~+ }" D. o |- \2 a
50 cm around the VDU and at 30 cm in front of it.
; k8 t; Q: Z9 O) V- M: B! x! J# P8 l! t+ o8 g' y
ref: http://www.d-silence.com/downloads/99crt.pdf
/ o# q# A0 _" w2 C
4 g( W- W3 K# o! { }2 ~1 _; _, I# ~" X你这218v/m有何科学依据?
3 K: h( R% H' ~5 L& U6 z5 g! U) y8 m! y- I, k
google了一把,源头是这:
1 l: N7 B) n, `. D h2 zhttp://www.daniweb.com/techtalkforums/thread10489.html
+ D8 s: @8 W) i# ~6 N5 z: B( Q9 l
" d. L7 y& N9 M' O A2 T8 s估计就这样以讹传讹了。
5 y8 a1 n# P" E& N& v. L2 @2 p
^6 _/ l+ ~# `, Z& L% K% @. M[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|