 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表
5 L% g9 @4 _4 z x Y& Y1 V键盘辐射最大是没错的。
& q4 P5 h) x" o/ O你知道计算机的辐射量是多少吗?
9 i o- O+ ?7 K, d: p1.键盘1000V/m) y1 u* q' d0 B1 }$ j
2.鼠标450V/m
2 {/ R1 ~0 Y; H. [ ]3 j4 Y3.屏幕218V/m% @* P% v* i$ u# M5 R
4.主机170V/m。
5 ~8 ]/ z0 H4 [( |* O4 c/ ^ N" Z0 Z: _ h
+ V5 G8 Q( N% u/ C$ r国际标准 TCO’99对CRT显示器的电场强度要求是:
( k, V C! k: o u
! ]3 \8 g$ o4 _& eBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
, a$ p( C# u: w/ vcm in front of the VDU and at 50 cm in front of it.
, @# e( Q& n: h7 R ~' ^5 _Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at" u7 ^! E; J1 D, f* v& V. O' n# x: L' e
50 cm around the VDU and at 30 cm in front of it.
6 q. e1 N5 l6 h
8 E9 j6 u. B5 r. K9 A9 O/ J1 l% X4 Oref: http://www.d-silence.com/downloads/99crt.pdf2 L/ N* e( O; e; H2 j: L$ g: u# I
: @( F! m, f2 K/ A- D% C1 H你这218v/m有何科学依据?7 K7 h3 D& \2 Z2 J/ g$ ]7 z
) ]/ |- l2 }: b, R/ Egoogle了一把,源头是这:
# U F" i7 q& J9 Qhttp://www.daniweb.com/techtalkforums/thread10489.html
. D. l6 h+ ]: \; {8 ~6 t: |$ o: g) T+ Z* N u
估计就这样以讹传讹了。# g5 L+ K6 [* s! r" i6 l( a
% Z: N" F5 c" r- Q
[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|