??????????????????????????????????????????????????????????????????????奴??????????????????????????????????????????????????????贸?????????????????????????????????????????????

??????????锟�?

?????????????????

??小????????? = ??小???????x ?????纾�??纾�?? ??????纾�??纾�

???????????? = ????????x ?????纾�??纾�?? ??????纾�??纾�

????????????????纾�

?????浠�?妫�??? = ?????????x ??????纾�??纾�?? ??小???????

??小??浠�?妫�??? = ?????????x ??????纾�??纾�?? ????????

??1

Toshiba TLP-S71???????26.5mm~31.5mm, ?????????0.7???LCD?澹�???85??????妾�

??小?????????=0.0265?? x 85????0.7??? = 3.217??

????????????=0.0315??x 85????0.7??? = 3.825??

??2

?????EPSON EMP-6000???????24.0 - 38.2 mm???????????0.8???LCD?澹�???????4???????????浠�?????小????浠�?妾�

?????浠�?妫�??纾� =4??x 0.8????0.024?? = 133.3???

??小??浠�?妫�??纾� =4??x 0.8????0.0382?? = 83???

?????????????纾�????????????????????????????????,??????????????????????????????????????位???纭�

??????????????????????????????????斜??????????????纾�??纾�?????????????????????????

?????位???????1???=2.54????=0.0254??

????????????????4:3 ??????????????????

??????????=?????纾�??纾﹛ 0.0254??/???x 0.8 =???????50

??????????=?????纾�??纾﹛ 0.0254??/???x 0.6 =???????66

??????位???

????????

60????????????60??50=1.2????? ????60??66=0.909?????

150????????????150??50=3????? ????150??66=2.27?????

200????????????200??50=4?????????200??66=3?????