Photo-electric conversion device and method thereof, image processing apparatus and method, and imaging device
A conversion device, photoelectric technology, applied to the electrical recording process using the charge pattern, the equipment using the electric recording process using the charge pattern, TV, etc., can solve the problem of linear deviation of image data, etc.
Inactive Publication Date: 2004-01-21
KK TOSHIBA
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Problems solved by technology
[0012] As mentioned above, when adopting four-channel output CCD in order to adapt to high speed, due to the structure of its preprocessing system, the internal structure of CCD and amplifier chip, the transmission path (processing path) of the generated signal is different, that is, There will be an influence on the image data due to the deviation of the circuit characteristics, that is, there will be a linear deviation of the image data relative to the image density, and the arrangement of the output signals of the four-channel output CCD will be output in a non-sequential state. question
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[0034] An embodiment of the present invention will be described below with reference to the accompanying drawings.
[0035] 1 is a cross-sectional view showing the internal structure of a digital copier (DPPC) using a four-channel output CCD adapted to high speed of the image forming apparatus according to the present invention.
[0036] As shown in FIG. 1 , the digital copier has an apparatus main body 10 provided with a scanner section 4 functioning as an image reading apparatus and a printing section 6 functioning as an image forming apparatus.
[0037] The upper surface of the apparatus main body 10 is provided with a document stage 12 composed of a transparent glass on which a document D, which is a reading object, is placed. Further, on the upper surface of the apparatus main body 10, an automatic document feeder (hereinafter referred to as ADF) 7 for automatically feeding the document is mounted on the document stage 12. The ADF 7 is installed so as to be openable and ...
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A photoelectric conversion apparatus includes a plurality of elements (D) for receiving reflected light from an object, photoelectrically converting it into image signals, and outputting the image signals, a first output buffer (121) for outputting image signals received from even elements of the plurality of elements in the line from one end to the other end, a second output buffer (122) for outputting image signals received from odd elements from one end to the other end, a third output buffer (123) for outputting image signals received from even elements from the other end to the one end, and a fourth output buffer (124) for outputting image signals received from odd elements from the other end to the one end.
Description
technical field [0001] The present invention relates to, for example, a photoelectric conversion device and a photoelectric conversion method for receiving optical image information of a document and outputting an electric signal, an image information processing device and an image information processing method for processing the electric signal of the photoelectric conversion device, and an image information processing device having the same Image forming devices such as electronic copiers that form images. Background technique [0002] In the past, in the equipment of imaging devices such as electronic copiers and facsimile machines, for example, for the control of CCD (photoelectric conversion element) for image reading, when the speed of reading increases, the frequency of image output also increases, and the processing of image signals. also becomes difficult. For this reason, the image output in the CCD image area is divided, and high-speed processing is performed by ...
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IPC IPC(8): H04N1/19H04N1/21H04N1/40H04N1/401
CPCH04N3/1575H04N1/401H04N3/1581H04N25/701
Inventor 岩井谦一
Owner KK TOSHIBA