Optical scanning device and image forming device
An optical scanning device and technology of light, applied in the direction of measuring device, image communication, electrical recording process using charge pattern, etc., can solve the problems of damaging the image forming function of the image forming device and the inability of the light receiving element to receive laser light, etc.
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no. 1 approach ）
[0068] Figure 6A It is a schematic plan view of a holding plate 514A serving as a restriction mechanism of the first embodiment. Figure 6B yes Figure 6A A schematic view of the outer surface 503 of the retaining plate 514A is shown. In addition, holding plate 514A is used as Figure 5 The holding plate 514 of the optical scanning device 500 is described. use Figure 5 to Figure 6B , the holding plate 514A will be described. Additionally, for Figure 1 to Figure 5 Elements that are common to elements of related descriptions use the same symbols. Detailed descriptions of common elements are omitted.
[0069] A through hole 551 is formed in the holding plate 514A. The laser light source 521 is inserted into the through hole 551 . As a result, the laser light source 521 is properly held by the holding plate 514A. In this embodiment, the through-hole 551 is illustrated as a holding part.
[0070] Figure 7 It is a schematic perspective view of the laser light source ...
no. 2 approach ）
[0083] Figure 10 It is a schematic perspective view of the control board 530B used together with the restriction|limiting mechanism of 2nd Embodiment. In addition, the control substrate 530B is used as Figure 5 The control substrate 530 of the light scanning device 500 described in related relation. use Figure 5 and Figure 10 , the control board 530B will be described. Additionally, for Figure 1 to Figure 5 The same symbols are used for the elements described in the related description and the elements in the description related to the first embodiment that are common to those described in the first embodiment. Detailed explanations about common elements are omitted.
[0084] A light receiving element 540 is mounted on the control board 530B. The control board 530B controls the irradiation time of the laser beam LB from the laser light source 521 according to the light receiving signal output from the light receiving element 540 .
[0085] Figure 11 It is a sche...
no. 3 approach ）
[0099] Figure 14 It is a schematic diagram of a holding plate 514C serving as a restriction mechanism of the third embodiment. In addition, holding plate 514C is used as Figure 5 The holding plate 514 of the optical scanning device 500 is described. use Figure 5 , Figure 7 and Figure 14 , the holding plate 514C will be described. Additionally, for Figure 1 to Figure 5 The same symbols are used for elements that are common to the elements described in the second embodiment and those described in the second embodiment. Detailed explanations about common elements are omitted.
[0100] In the holding plate 514C, a notch 570 is formed in addition to the notch 555 described in relation to the second embodiment. The notch 570 extends downward from the upper edge 556 of the holding plate 514C similarly to the notch 555 . As will be described later, the laser light source 521 is inserted into the notch portion 570 .
[0101] Figure 14 , the movement plane MP is indica...
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