Closely bound plane sensor

Abstract

A contact area-sensor (1) includes a plurality of image scanners (10), each of which includes an image scanning sensor substrate (20) in which a plurality of sensor sections (24) are aligned in a matrix manner so as to scan an image; and a connecting line (2) having flexibility, for connecting the plurality of image scanners (10) to each other. On this account, it is possible to provide a small, thin, light-weighted contact area-sensor, which is capable of obtaining a wide area of an image, while ensuring superior portability.

Description

technical field [0001] The present invention relates to a close-fitting type planar sensor having the function of an image sensor. In particular, it relates to a close-contact type planar sensor composed of a plurality of thin film transistors (TFTs) arranged in a rectangular shape. Background technique [0002] In the past, as a means for obtaining image information existing on both sides of a sheet-shaped original, for example, a method was proposed in Japanese Laid-Open Patent Publication "JP-P-11-136444 (published on May 21, 1999)". Two line sensors are arranged at opposite positions on both sides of the sheet-shaped original, so that image information on both sides of the original can be obtained at the same time. [0003] However, in the method of simultaneously obtaining image information on both sides of the original document as in the image reading device of the above-mentioned publication, when the same reading position on the front and back sides of the original ...

AI Technical Summary

Problems solved by technology

[0006] However, since the image reading device of the above-mentioned previous publication uses a line sensor, it is necessary to make the line sensor scan the document surface.

In order to simultaneously scan two line sensors from both sides, a mechanism to move them is necessary, and it is difficult to miniaturize the entire device, and it is difficult to realize a thin and light device

In addition, when reading simultaneously, the transmitted light must be blocked

Another problem is that it takes time to scan

[0007] The scanning device in the above-mentioned latter publication uses a CCD image sensor, so it must be focused, and optical systems such as lenses and optical paths are required.

Therefore, it is difficult to miniaturize the entire device, and it is difficult to realize a thin and light device, and there is also a problem that the optical system is shifted due to vibration.

[0008] Furthermore, in the above two examples, only sheet-like thick manuscripts can be read, but in the case of thick manuscripts like books, double-sided reading is not possible.

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