| 摘要 |
PROBLEM TO BE SOLVED: To provide a convex curved mirror for viewing a visual field image having good perspective. SOLUTION: In the convex curved mirror, a length of a circular arc of a radius r mm is a unit lengthβmm, next, a circular arc of a radius (r+α) mm is connected to make the lengthβmm, and similarly, a circular arc making a radius larger byαmm is connected to vertically and horizontally curve the whole face by a non-circular arc curvature smoothing chr curvature of figure 10 (a) making all lengths of respective circular arcsβmm. Further, the convex curved mirror is curved in the direction of 360°. The longest distance of both cases from three-dimensional skew can be viewed with good perspective by being viewed from a position of the distance or the distance or more on the optical axis of the convex mirror of the original radius r mm. The convex curved mirror can be viewed from a distance within the longest distance viewed from the three-dimensional skew by determining each numerical value ofαmm andβmm, determining chr curvature and making the respective mirrors by the non-circular arc curvature smoothing them. COPYRIGHT: (C)2004,JPO
|
