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1. 发明专利

JP3788352B2 Image forming system 有权
公开(公告)号：JP3788352B2
公开(公告)日：2006-06-21
申请号：JP2002011771
申请日：2002-01-21
申请人：富士ゼロックス株式会社
发明人：俊夫久村 , 浩和坪田 , 太郎増田 , 淳宇賀神 , 利樹松井 , 康裕荒井
IPC分类号： G06F3/00 , H04N1/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming system for sufficiently enhancing the predominance of a distributed optical signal transmittors. SOLUTION: The image forming system is provided with: a plurality of image input devices 1, 2 for outputting an optical signal; a plurality of image output devices 3, 4 for inputting the optical signal; the distributed optical signal transmittors 5 whose input terminal is connected to a plurality of the image input devices and whose output terminal is connected to a plurality of the image output devices; and a plurality of controllers 6 to 8 having a storage device for storing information for receiving the optical signal from the output terminal of the distributed optical signal transmittors 5 and outputting the optical signal to the input terminal of the distributed optical signal transmittors 5. The distributed optical signal transmittors 5 is configured to be e.g. a transmission sheet medium. The controllers 6-8 can be connected to an external network. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP3960136B2 Image processing apparatus 有权
公开(公告)号：JP3960136B2
公开(公告)日：2007-08-15
申请号：JP2002170951
申请日：2002-06-12
申请人：富士ゼロックス株式会社
发明人：俊夫久村 , 浩和坪田 , 太郎増田 , 淳宇賀神 , 康裕新井 , 利樹松井 , 和弘浜
IPC分类号： H04N1/387 , H04N7/22
摘要： PROBLEM TO BE SOLVED: To provide a low-cost image processing unit that makes signals fast, reduces electromagnetic noise, and does not increase a circuit scale. SOLUTION: A plurality of image inputting devices 12A-12N are connected to an optical transmission medium 22 via optical signal transmission sections 16A-16N each. The optical signal of image data inputted from the optical signal transmission sections 16A-16N is composed by optical operation in the optical transmission medium 22, and is received by an optical signal reception section 28. The optical signal of the composed image signal is converted to an electric signal, and is outputted to an image outputting apparatus 34 at the optical signal reception section 28. In this manner, image data from the plurality of pieces of image inputting apparatus 12 are composed by the optical operation and are outputted, thus restraining the generation of electromagnetic noise even if the speed of the signal increases, and restraining an increase in costs with a small scale even if the number of the image inputting devices increases. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP3684784B2 Image processing apparatus 失效
标题翻译：空值
公开(公告)号：JP3684784B2
公开(公告)日：2005-08-17
申请号：JP28223597
申请日：1997-10-15
申请人：富士ゼロックス株式会社
发明人：洋実北 , 太郎増田
IPC分类号： H04N1/405 , G06T5/00 , H04N1/407
摘要： PROBLEM TO BE SOLVED: To provide the safety of density adjustment and the linear gradation of a low density part and a high density part by having a means which discriminates the existence of image density data in a linear conversion possible area, directly outputting density data in the case of its existence, outputting prescribed density data instead of it in the case of non-existence and allocating the difference between them to the next image density data. SOLUTION: Input image density data is compared with a comparison reference value B by a comparing means 31 and when it is the value B or more, corresponding output density is outputted from a selecting means 32. When it is less than the value B, the means 32 selects prescribed density '0' and outputs it. In such cases, inputted image density data becomes an error and it is added to input data of the next pixel by an adding means 30. After that, the value to which an error of the preceding pixel is added is compared as input data with the value B, and when an error is produced, the error is sequentially added to the next pixel, the error is dispersed and gradation is represented linearly.
摘要翻译：要解决的问题：为了通过具有区分线性转换可能区域中的图像浓度数据的存在的方式来提供密度调节的安全性和低密度部分和高密度部分的线性渐变，直接输出密度数据在存在的情况下，在不存在的情况下输出规定的密度数据而不是它们，并将它们之间的差分分配给下一个图像浓度数据。解决方案：通过比较装置31将输入图像浓度数据与比较基准值B进行比较，当其为B值或更大值时，从选择装置32输出相应的输出密度。当小于值B时，装置32选择规定的密度“0”并输出。在这种情况下，输入的图像浓度数据成为误差，并且通过加法装置30被添加到下一个像素的输入数据。之后，将前一个像素的误差相加的值作为输入数据与值B，并且当产生错误时，误差被顺序地添加到下一个像素，误差被分散并且灰度被线性地表示。

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