Image reading apparatus
An image reading device and an image technology, which are applied in the directions of image communication, an electrical recording process applying a charge pattern, and equipment for an electrical recording process applying a charge pattern, etc., can solve problems such as cost increase, and achieve the effect of suppressing manufacturing errors.
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Embodiment approach 1
[0077] refer to Figure 1 to Figure 18 , an example of the image reading device 501 according to Embodiment 1 of the present invention will be described.
[0078] as reference Figure 1 to Figure 3 In order to describe sequentially, the image reading device 501 according to Embodiment 1 is constituted by a light-reflective imaging optical system, and light from the reading area of the document is repeatedly reflected to reach the imaging element unit. On the other hand, for ease of understanding and description, in the following description of the system configuration of the image reading device 501, for example, Figure 5 As shown, the first lens 100, the second lens 102, etc. in the imaging optical system are illustrated and described according to the form of lenses in the refractive system.
[0079] First, refer to Figure 4 to Figure 18 , the system configuration of the image reading device 501 will be described.
[0080] The image reading device 501 of the present e...
Embodiment approach 2
[0164] refer to Figure 19 to Figure 22 , an example of the image reading device 502 in Embodiment 2 of the present invention will be described. In addition, in Figure 19 to Figure 22 In the figure, the imaging optical system 1 is shown in the form of a refractive lens, but similarly to the image reading device 501 in the above-mentioned first embodiment, the image reading device 502 in the second embodiment is also made of light The imaging optical system of the reflective system is composed.
[0165] In the image reading device 501 according to the first embodiment, among the chief rays belonging to the cells 11, 13, . . . belonging to the first column 215 and the cells 12, 14, . The light rays of the original 7 toward the units 11, 13, . . . and the units 12, 14, . . . Figure 5 are shown parallel to each other, and between elements 11, 13, ... and elements 12, 14, ... in the first column 215 and the second column 216, also as Image 6 As shown, among the chief rays, t...
Embodiment approach 3
[0183] Figure 25 as well as Figure 26 An example of the image reading device 503 in Embodiment 3 of the present invention is shown. The basic structure of the image reading device 503 is the same as that of the image reading devices 501 and 502 in Embodiments 1 and 2 described above, but differs in the following points. That is, in the image reading apparatuses 501, 502, no optical element is provided in the optical path between the first lens 100, which is an example of a device corresponding to the function of the first reflective light-condensing optical element, and the aperture 101, However, in the image reading device 503 according to Embodiment 3, the first plane mirror 105 is provided in the optical path between the first lens 100 and the diaphragm 101 . In addition, this configuration is adopted also in Embodiments 4 and 5 described below.
[0184] In addition, in the image reading device 503, similarly to the image reading device 502, as Figure 19 As shown, th...
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Abstract
Description
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