公开(公告)号：US20120002247A1

公开(公告)日：2012-01-05

申请号：US13175028

申请日：2011-07-01

申请人： Yusuke HASHIZUME ,  Sueo UENO ,  Katsuya NAGAMOCHI ,  Hiroyuki SHIRAISHI ,  Koji SHIMOKAWA ,  Naoya KOSEKI ,  Mitsuru HATANO

发明人： Yusuke HASHIZUME ,  Sueo UENO ,  Katsuya NAGAMOCHI ,  Hiroyuki SHIRAISHI ,  Koji SHIMOKAWA ,  Naoya KOSEKI ,  Mitsuru HATANO

IPC分类号： H04N1/04

CPC分类号： H04N1/1013 ,  H04N1/00689 ,  H04N1/00692 ,  H04N1/0071 ,  H04N1/00713 ,  H04N1/00737 ,  H04N1/0075 ,  H04N1/00814 ,  H04N2201/0081

摘要： A first LED that is one of a plurality of LEDs arranged in the main scanning direction is turned on, and the presence of a document on a document table glass is determined by detection of reflected light from the document using a CCD sensor, and a second LED other than the first LED in addition to the first LED among the plurality of LEDs is turned on when it is determined that a document is placed on the document table glass, and the size of the document on the document table glass is determined based on a scanning result of the CCD sensor on the reflected light from the document caused by illumination from the first and the second LEDs and a detection result of a reflective photosensor.

摘要翻译： 作为沿主扫描方向布置的多个LED之一的第一LED被接通，并且通过使用CCD传感器检测来自原稿的反射光来确定原稿台玻璃上的原稿的存在，并且第二LED 当确定将文件放置在文件台玻璃上时，多个LED中的第一LED除了第一LED之外的LED也被打开，并且基于文档桌面玻璃上的文档的大小基于 来自第一和第二LED的照明引起的来自原稿的反射光的CCD传感器的扫描结果和反射光电传感器的检测结果。

公开(公告)号：US20120092733A1

公开(公告)日：2012-04-19

申请号：US13270096

申请日：2011-10-10

申请人： Sueo UENO ,  Mitsuru HATANO ,  Katsuya NAGAMOCHI ,  Hiroyuki SHIRAISHI ,  Yusuke HASHIZUME

发明人： Sueo UENO ,  Mitsuru HATANO ,  Katsuya NAGAMOCHI ,  Hiroyuki SHIRAISHI ,  Yusuke HASHIZUME

IPC分类号： H04N1/04

CPC分类号： H04N1/00681 ,  H04N1/00694 ,  H04N1/00705 ,  H04N1/00755

摘要： According to one embodiment, a document detecting apparatus includes a light-emitting element, a photoelectric conversion element, a light-emission controller and a detection processor. The light-emitting element projects light onto a detection position of a document. The photoelectric conversion element outputs an electric signal obtained by converting the light from the detection position of the document. The light-emission controller changes the light quantity of the light emitted by the light-emitting element. The detection processor detects the presence or absence of the document at the detection position of the document based on the presence or absence of a change of an output value corresponding to the change of the light quantity caused by the light-emission controller in an output value from the photoelectric conversion element.

摘要翻译： 根据一个实施例，文件检测装置包括发光元件，光电转换元件，发光控制器和检测处理器。 发光元件将光投射到文件的检测位置。 光电转换元件输出通过转换来自文档的检测位置的光而获得的电信号。 发光控制器改变由发光元件发射的光的光量。 检测处理器基于与由发光控制器引起的光量的变化相对应的输出值的变化的输出值是否存在文档的检测位置来检测文档的存在或不存在 从光电转换元件。