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Exposure head and image forming device

A technology of exposure head and latent image, which is applied in the direction of electrical recording technology using charge graphics, optics, equipment for electrical recording technology using charge graphics, etc., and can solve problems such as imaging position changes and substrate deformation

Inactive Publication Date: 2010-05-26
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That is, if the rod lens array deforms due to temperature change or the like, the substrate fixed to the rod lens array through the light-transmitting substrate may also deform.
In addition, since the light emitting element is arranged on the substrate, if the substrate is deformed, the imaging position of the light from the light emitting element may change.

Method used

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  • Exposure head and image forming device
  • Exposure head and image forming device
  • Exposure head and image forming device

Examples

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Embodiment Construction

[0028] figure 1 It is a diagram showing an embodiment of an image forming apparatus according to the present invention. figure 2 yes means figure 1 A diagram of the electrical configuration of the image forming apparatus. This device is an image forming device that can selectively execute the following two modes, that is, to form a color image by superimposing four color toners of yellow (Y), magenta (M), cyan (C) and black (K) A color mode; and a monochrome mode in which a monochrome image is formed using only black (K) toner. In this image forming apparatus, when an image forming command is given from an external device such as a host computer to a main controller MC having a CPU or a memory, the main controller MC supplies a control signal to an engine controller EC. Based on this, the engine controls The device EC controls each part of the device such as the engine unit EG and the head controller HC to perform predetermined image forming operations, and forms an image ...

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Abstract

An exposure head includes a substrate (291) through which light from light-emitting elements (E) provided on a first surface (291-t) of the substrate penetrates from the first surface (291-t) to a second surface (291-h). A rod lens array (299) is provided on the second surface (291-h) of the substrate (291) to image the light from the second surface (291-h). A light transparent member (297) is provided between the substrate (291) and the rod lens array (299) and fixed to the second surface (291-h) of the substrate (291) and the rod lens array (299). A support member (295) supports the first surface (291-t) of the substrate (291).

Description

technical field [0001] The present invention relates to an exposure head that forms an image of light from a light emitting element with a rod lens array to expose an exposure surface, and an image forming apparatus using the exposure head. Background technique [0002] As such an exposure head, an apparatus for forming an image of light from a light emitting element formed on a glass substrate with a rod lens array facing the glass substrate is known (Patent Document 1). In particular, in the exposure head of Patent Document 1, a light emitting element is provided on the back surface opposite to the rod lens array among the front surface and the back surface of the glass substrate. Therefore, after the light from the light emitting element passes through the glass substrate, it enters the rod lens array. [0003] However, since an air layer exists between the glass substrate and the rod lens array, part of the light from the light emitting element is reflected at the bound...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/04G03G15/00
CPCG03G15/326G03G2215/0412G03G15/04036G03G15/04072
Inventor 井上望新井义雄辻野净士
Owner SEIKO EPSON CORP
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