Appeal No. 2001-1815
Application 08/924,865
1 shows a camera positioning system situated in a typical
security environment. A camera 110 is mounted in an enclosure
120 which is situated in an overhead structure 190, such as a
carport adjacent a parking area. See page 4 of Appellant’s
specification. The camera’s angle of view can be adjusted by
changing the camera’s magnification or level of zoom. See page 5
of Appellant’s specification. The combination of line of sight
and angle of view determines a camera’s field of view. See page
5 of Appellant’s specification. Figure 1 shows vehicles 181,
182, and 183 as well as a person 184 within the area potentially
viewable by the camera 110. Whether the objects are actually
within the view of the camera is determined by the camera’s field
of view, which is determined by its line of sight and its angle
of view. Figure 1 shows the camera 110 being positioned with a
line of sight L. About the line of sight L are three angles of
view A, B, and C. If the camera has an angle of view A, the
camera’s field of view will encompass the items between lines A1
and A2. Thus, at angle of view A, the vehicle 181 and the person
184 are not in the view of the camera. At angle of view B, the
camera’s field of view encompasses the items between B1 and B2,
and therefore each of the vehicles 181, 182, and 183 will be in
2
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