Appendix A REFERENCE
Projection Distance V.S. Projection Size
Screen
Height
Screen Width
Max. Screen Size
Min. Screen Size
Projection
Distance Diagonal Width
Height Diagonal Width
Height
L
A C
B D
1.5m
1.1m
0.9m
0.7m
0.9m
0.7m
0.5m
4.92'
42.5"
33.8"
25.6"
35.4"
28.3"
21.2"
2.0m
1.4m
1.2m
0.9m
1.2m
1.0m
0.7m
6.56'
56.7"
45.3"
34.0"
47.2"
37.8"
28.3
2.4m 1.7m 1.4m 1.0m 1.4m
1.2m 0.9m
7.87'
67.7"
53.9"
40.5"
56.7"
45.3"
34"
2.8m
2.0m
1.6m
1.2m
1.7m
1.3m
1.0m
9.18'
79.1"
62.9"
47.4"
66.1"
52.7"
39.7"
3.2.m
2.3m
1.8m
1.4m
1.9m
1.5m
1.2m
10.5'
90.5"
72.4"
54.3"
75.6"
60.6"
45.3"
3.6m
2.6m
2.1m
1.6m
2.2m
1.7m
1.3m
11.81'
101.9"
81.5"
61.0"
85.0"
68.1"
51.2"
4.0m
2.9m
2.3m
1.7m
2.4m
1.9m
1.4m
13.12'
113.4"
90.6"
68.1"
94.5"
75.6"
56.7"
4.4m
3.2m
2.5m
1.9m
2.6m
2.1m
1.6m
14.43'
124.8"
99.6"
74.8"
103.9"
83.1"
62.2"
4.8m
3.5m
2.8m
2.1m
2.9m
2.3m
1.7m
15.74'
135.8"
108.7"
81.6"
113.4"
90.6"
67.7"
5.2m
3.7m
3.0m
2.2m
3.1m
2.5m
1.9m
17.06'
147.2"
117.7"
88.2"
122.8"
98.4"
73.6"
5.6m
4.0m
3.2m
2.4m
3.4m
2.7m
2.0m
18.37'
158.7"
126.8"
95.3"
132.3"
105.9"
79.1"
6.0m 4.3m 3.5m 2.6m 3.6m
2.9m 2.2m
19.68'
170.1"
135.8"
101.9"
141.7"
113.4"
85.0"
10.0m 7.2m 5.8m 4.3m 6.0m 4.8m 3.6m
32.8'
283.5"
226.8"
170.1"
236.2"
188.9"
141.7"
A-3
