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发明授权
CN1690848B 图像记录装置 失效 - 权利终止

图像记录装置
摘要：
一种图像记录装置，包括：记录滚筒，其在印刷版安装在其外周部上的状态下进行旋转；记录头，其对安装在记录滚筒上的印刷版进行图像记录；旋转编码器，其检测出记录滚筒的旋转角度位置；第一、第二传感器，其可检测出安装在记录滚筒上的印刷版；检出范围设定电路，其对应于印刷版的材质信息、印刷版的反射率信息、形成在印刷版上的定位孔的有无及种类设定第一、第二传感器的检出范围；判定电路，其根据记录滚筒的旋转位置和由检出范围设定电路设定的检出范围取入第一、第二传感器的信号，判定安装在记录滚筒上的印刷版的端缘位置。
摘要（英）：

An image recording apparatus includes a recording drum rotatable with a printing plate mounted peripherally thereof, a recording head for recording an image on the printing plate mounted on the recording drum, a rotary encoder for detecting a rotation angle of the recording drum, a first and a second sensors for detecting the printing plate mounted on the recording drum, a detection range settingcircuit for setting a range of detection of the first and second sensors with respect to the rotation angle of the recording drum according to information on the material of the printing plate, information on reflectance of the printing plate and the presence or absence and the type of positioning holes formed in the printing plate, and a determining circuit for determining a position of an edge of the printing plate mounted on the recording drum, by fetching signals from the first and second sensors based on the rotation angle of the recording drum and the range of detection set by the detection range setting circuit.

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