| 摘要 |
PROBLEM TO BE SOLVED: To provide an image pickup device, with which information such as date/time, place or photographing equipment can be written in an image file, so as to make it difficult to revise. SOLUTION: For the image pickup device of generating an image signal containing a watermark, this device is provided with a pixel array locating plural pixels 31 for converting incident light to an electrical signal and a change part for changing the output signal of a specified pixel group 32 in this pixel array only slightly in respect to the output signals of pixels, except for this specified pixel group. |
