鲜花( 0) 鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表8 U" ]7 t5 V3 i- {
键盘辐射最大是没错的。/ r: i- m( v+ i2 i- T7 M/ T
你知道计算机的辐射量是多少吗?4 F U/ \. S& Q" |4 s
1.键盘1000V/m
- {& A4 m5 E2 l! Z" z2.鼠标450V/m5 f: c7 M+ s, @2 g- Z1 z( o' {
3.屏幕218V/m4 x. w9 Y/ d8 U' `( v+ Q
4.主机170V/m。
* d8 s& N: a5 f# g+ \- n1 y8 f; S P4 p" v+ _8 L/ @
, y5 ^$ S3 v9 {
国际标准 TCO’99对CRT显示器的电场强度要求是:
( W M8 K2 B/ v% J% W7 q" R% a* F9 b7 ^
Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
2 V2 z9 Q& Y" l( [. Z+ ecm in front of the VDU and at 50 cm in front of it.
. y* U# E! }9 S: |/ j; YBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
! S( w" s/ v, f5 F& H- W50 cm around the VDU and at 30 cm in front of it.- D* S1 ?3 p+ m/ k6 N5 v( F; C
) D7 E6 E3 R4 T/ a
ref: http://www.d-silence.com/downloads/99crt.pdf6 u% k. m0 C3 A# E
D" @6 C4 S1 U
你这218v/m有何科学依据? s( A1 E+ L0 a6 Q8 l
- K( Z: M: s" A5 }google了一把,源头是这:
/ ]: [* T# n( Y) @" W- yhttp://www.daniweb.com/techtalkforums/thread10489.html! k1 ~+ \7 j% E0 F) P0 g" W
) n6 g: J. U' c9 T9 O
估计就这样以讹传讹了。+ c( B- ?, p8 m+ F3 D; J
9 e- t" n: f5 Y7 U/ L* R[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|