| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a small image sensor module. <P>SOLUTION: In an optical fingerprint sensor module, this further small module is formed with an image sensor module used for sensing a fingerprint or the like and comprising: a light source; a concave mirror for reflecting the light emitted from the light source; a plane mirror for receiving the light reflected from the concave mirror; a glass panel for entering the light reflected from the plane mirror; a lens for receiving the reflection light of an image disposed on the transparent plate surface; and an image sensor disposed at a position for focusing the light passed the lens. The light source is disposed at the focal point of the concave mirror. The plane mirror for receiving the light therefrom is installed. <P>COPYRIGHT: (C)2004,JPO</p> |
