公开(公告)号：US5122830A

公开(公告)日：1992-06-16

申请号：US692912

申请日：1991-04-29

申请人： Kanae Imaeda ,  Satoru Kuwabara ,  Yuji Asano ,  Hisanori Okamoto ,  Masatoshi Yoshiyama ,  Tsuyoshi Kushida ,  Yukichi Sawaki ,  Shin Asai ,  Masanari Kobayashi

发明人： Kanae Imaeda ,  Satoru Kuwabara ,  Yuji Asano ,  Hisanori Okamoto ,  Masatoshi Yoshiyama ,  Tsuyoshi Kushida ,  Yukichi Sawaki ,  Shin Asai ,  Masanari Kobayashi

IPC分类号： G03B27/32 ,  G03F7/00

CPC分类号： G03B27/32 ,  G03F7/0022 ,  G03B2227/325

摘要： An image recording apparatus which records an image of an original document on an image receiving sheet with the use of a photosensitive recording medium, the image receiving sheet having front and rear faces differing in reflection ratio. To detect error in sheet face orientation, a sheet face sensor unit is provided upstream of a pressure developing unit which discriminates a face of the image receiving sheet. The sensor unit includes a light emitting element for emitting light toward the face of the image receiving sheet and a light receiving element for receiving light emitted from the light emitting element and reflected on the face of the image receiving sheet. A central processing unit is supplied with data representative of amounts of light emitted from the light emitting element and light received at the light receiving element, wherein the central processing unit computes a reflection ratio based on the data supplied thereto and produces a discrimination signal indicative of an error in sheet face orientation of the image receiving sheet based on the reflection ratio being computed.

摘要翻译： 一种图像记录装置，其使用感光记录介质将原稿的图像记录在图像接收片上，该图像接收片具有反射率不同的正面和背面。 为了检测片材面朝向的错误，片材面传感器单元设置在鉴别图像接收片材的面部的加压显影单元的上游。 传感器单元包括用于朝向图像接收片的表面发射光的发光元件和用于接收从发光元件发射并在图像接收片的表面上反射的光的光接收元件。 中央处理单元被提供有表示从发光元件发射的光量和在光接收元件处接收的光的数据，其中中央处理单元基于提供给其的数据计算反射比，并产生指示 基于计算出的反射率的图像接收片材的片材面朝向的误差。