发明名称 Image reading apparatus having detachable optical system
摘要 An image reading apparatus according to the present invention comprises a first unit for scanning an original while exposing the original to light, and a second unit detachably provided to the first unit for receiving light from the first unit and converting an original image into electrical signals. The first unit includes a light source for irradiating the original and an optical member for projecting the original image at a predetermined position. The second unit is provided in the vicinity of the predetermined position and includes an image sensor for reading the original image to generate the electrical signals, a signal processing portion for processing the electrical signals generated from the image sensor, and a storage portion for storing the processed electrical signals.
申请公布号 US5335090(A) 申请公布日期 1994.08.02
申请号 US19900580260 申请日期 1990.09.10
申请人 发明人
分类号 H04N1/00;H04N1/024;H04N1/04;H04N1/10;H04N1/107;H04N1/193;H04N1/21;(IPC1-7):H04N1/024 主分类号 H04N1/00
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