| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a printing head, a picture printing devices and a picture printing method capable of exposing without mechanically moving the components of the picture printing device, also at a low cost, and also, exposing with a pixel shift free from an adverse effect on the performance of the printing head. SOLUTION: The printing head 1 for printing a picture on a photographic printing paper 2 is provided with light emitters 3a and 3b, and a liquid crystal shutter 4 for modulating the light emitted from the light emitters 3a and 3b, and the light emitters 3a and 3b are constituted so that the light may be separately made incident on the liquid crystal shutter 4 from plural different directions and the light may separately pass through plural different optical paths and may be projected to different positions on the photographic printing paper 2.</p> |
