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1.发明授权Image forming apparatus, image correcting method, computer readable storage medium, image correction unit and image forming system 有权图像形成装置，图像校正方法，计算机可读存储介质，图像校正单元和图像形成系统公开(公告)号：US09201331B2
公开(公告)日：2015-12-01
申请号：US14020028
申请日：2013-09-06
CPC分类号： G03G15/0105 , G03G13/01 , G03G15/0131 , G03G15/5058 , G03G2215/0161
摘要： An image forming apparatus includes: at least one first image carrier configured to carry an electrostatic latent image thereon; an image writing unit; a second image carrier configured to move along a transfer position facing to the at least one first image carrier; a first transfer unit provided opposite to the at least one first image carrier; a second transfer unit configured to transfer the subject image to a transfer material; a test pattern detection unit configured to detect the test pattern image; a control unit configured to correct an image forming condition of the subject image based on a result from the detection of the test pattern image, wherein the test pattern image is provided on the second image carrier at an area being out of the image forming area and being at the same range as the subject image in a scanning direction.
摘要翻译： 图像形成装置包括：被配置为在其上承载静电潜像的至少一个第一图像载体; 图像写入单元; 第二图像载体，被配置为沿着面向所述至少一个第一图像载体的转印位置移动; 与所述至少一个第一图像载体相对设置的第一转印单元; 第二传送单元，被配置为将被摄体图像转印到转印材料上; 测试图案检测单元，被配置为检测所述测试图案图像; 控制单元，被配置为基于来自所述测试图案图像的检测的结果来校正所述被摄体图像的图像形成条件，其中，所述测试图案图像在所述第二图像载体上设置在所述图像形成区域外的区域，以及 与扫描方向上的被摄体图像处于相同的范围。
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公开(公告)号：US20190094776A1
公开(公告)日：2019-03-28
申请号：US16048567
申请日：2018-07-30
申请人： TAKUMA NISHIO , Yoshinobu Sakaue , Susumu Narita , Ryo Sato , Koichi Murota , Masashi Suzuki , Hiroaki Nishina
发明人： TAKUMA NISHIO , Yoshinobu Sakaue , Susumu Narita , Ryo Sato , Koichi Murota , Masashi Suzuki , Hiroaki Nishina
摘要： An image forming apparatus includes an image reading device; an image forming device including a photoconductor, a charger, an exposure device including a light-emitting element, a memory to store a first correction value for correction a light emission amount of the light-emitting element, and a driver to drive the light-emitting element, a developing device, a transfer device, and a fixing device. The image forming apparatus further includes a processor to calculate a second correction value for correcting the light emission amount, based on density data of image data of a predetermined pattern on a recording medium; calculate a third correction value for correcting the light emission amount, based on the first correction value and the second correction value; and determine, before calculating the third correction value, whether placement of the recording medium on the reading table is correct based on the density data.
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3.发明申请IMAGE FORMING APPARATUS, IMAGE CORRECTING METHOD, COMPUTER READABLE STORAGE MEDIUM, IMAGE CORRECTION UNIT AND IMAGE FORMING SYSTEM 有权图像形成装置，图像校正方法，计算机可读存储介质，图像校正单元和图像形成系统公开(公告)号：US20140072316A1
公开(公告)日：2014-03-13
申请号：US14020028
申请日：2013-09-06
CPC分类号： G03G15/0105 , G03G13/01 , G03G15/0131 , G03G15/5058 , G03G2215/0161
摘要： An image forming apparatus includes: at least one first image carrier configured to carry an electrostatic latent image thereon; an image writing unit; a second image carrier configured to move along a transfer position facing to the at least one first image carrier; a first transfer unit provided opposite to the at least one first image carrier; a second transfer unit configured to transfer the subject image to a transfer material; a test pattern detection unit configured to detect the test pattern image; a control unit configured to correct an image forming condition of the subject image based on a result from the detection of the test pattern image, wherein the test pattern image is provided on the second transfer unit at an area being out of the image forming area and being at the same range as the subject image in a scanning direction.
摘要翻译： 图像形成装置包括：被配置为在其上承载静电潜像的至少一个第一图像载体; 图像写入单元; 第二图像载体，被配置为沿着面向所述至少一个第一图像载体的转印位置移动; 与所述至少一个第一图像载体相对设置的第一转印单元; 第二传送单元，被配置为将被摄体图像转印到转印材料上; 测试图案检测单元，被配置为检测所述测试图案图像; 控制单元，被配置为基于来自所述测试图案图像的检测的结果校正所述被摄体图像的图像形成条件，其中所述测试图案图像在所述图像形成区域外的区域处设置在所述第二传送单元上，以及 与扫描方向上的被摄体图像处于相同的范围。
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公开(公告)号：US20140072315A1
公开(公告)日：2014-03-13
申请号：US14013572
申请日：2013-08-29
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G15/0131 , G03G15/5058 , G03G2215/0161
摘要： An image forming apparatus includes a first image forming unit that forms toner images based on image data on first image carriers; a second image carrier, on which the toner images formed on the first image carriers are transferred; a second image forming unit that transfers the toner images transferred on the second image carrier onto a transfer medium; a test pattern generating unit that generates a test pattern group with a predetermine length in a moving direction of the second image carrier; and an adjusting unit that determines a method to adjust an image formation condition for the first image forming unit using the test pattern group, based on a relationship between the predetermined length and a length of an image area, in which a print image based on the image data is formed, in a sub-scanning direction corresponding to the moving direction of the second image carrier.
摘要翻译： 图像形成装置包括：第一图像形成单元，其基于第一图像载体上的图像数据形成调色剂图像; 其上形成在第一图像载体上的调色剂图像的第二图像载体; 第二图像形成单元，将在第二图像载体上传送的调色剂图像转印到转印介质上; 测试图案生成单元，其生成在所述第二图像载体的移动方向上具有预定长度的测试图案组; 以及调整单元，其基于所述预定长度和图像区域的长度之间的关系确定用于使用所述测试图案组来调整所述第一图像形成单元的图像形成条件的方法，其中基于所述图像区域的打印图像 在对应于第二图像载体的移动方向的副扫描方向上形成图像数据。
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5.发明申请IMAGE FORMING APPARATUS, METHOD FOR PERFORMING IMAGE CORRECTION USING THE SAME AND COMPUTER READABLE STORAGE MEDIUM 有权图像形成装置，使用其进行图像校正的方法和计算机可读存储介质公开(公告)号：US20140072351A1
公开(公告)日：2014-03-13
申请号：US14024825
申请日：2013-09-12
IPC分类号： G03G15/01
CPC分类号： G03G13/01 , G03G15/0105 , G03G15/0189 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus comprising: at least one first image carrier; an image writing unit configured to write the electrostatic latent image including a test pattern; a second image carrier configured to move along a transfer position facing to the at least one first image carrier; an image forming unit configured to transfer the subject image transferred on the second image carrier to a transfer material; a detector configured to detect the test pattern image; and a controller configured to correct an image forming condition of the subject image, wherein during a period from the detection of the test pattern to the writing a subsequent subject image, the controller calculates a correction amount of a correction matter, and reflects the calculated amount in the image forming condition of the subject image.
摘要翻译： 一种图像形成装置，包括：至少一个第一图像载体; 图像写入单元，被配置为写入包括测试图案的静电潜像; 第二图像载体，被配置为沿着面向所述至少一个第一图像载体的转印位置移动; 图像形成单元，被配置为将在第二图像载体上传送的被摄体图像转印到转印材料上; 检测器，被配置为检测所述测试图案图像; 以及控制器，被配置为校正所述被摄体图像的图像形成条件，其中，在从所述测试图案的检测到写入随后的被摄体图像的期间，所述控制器计算校正物的校正量，并且反映所述计算量 在被摄体图像的图像形成条件下。
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公开(公告)号：US10514646B2
公开(公告)日：2019-12-24
申请号：US15990317
申请日：2018-05-25
申请人： Susumu Narita , Yoshinobu Sakaue , Ryo Sato , Koichi Murota , Masashi Suzuki , Takuma Nishio , Hiroaki Nishina
发明人： Susumu Narita , Yoshinobu Sakaue , Ryo Sato , Koichi Murota , Masashi Suzuki , Takuma Nishio , Hiroaki Nishina
IPC分类号： G03G15/00 , G03G15/043
摘要： An image forming apparatus includes a latent image bearer, a latent image writing device, a developing device, a conveyance unit to convey a recording medium, a transfer device, a length data acquisition unit to obtain a length of the recording medium in a conveyance direction of the recording medium, an image forming processor to form a test pattern, and a light quantity correction calculator that acquires image density data of the test pattern and calculates a light quantity correction value to correct a light quantity. The image forming processor sets a position of the test pattern on the recording medium in the conveyance direction of the recording medium and a length of the test pattern in the conveyance direction of the recording medium based on the length of the recording medium in the conveyance direction of the recording medium obtained by the length data acquisition unit.
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公开(公告)号：US10437188B2
公开(公告)日：2019-10-08
申请号：US16048567
申请日：2018-07-30
申请人： Takuma Nishio , Yoshinobu Sakaue , Susumu Narita , Ryo Sato , Koichi Murota , Masashi Suzuki , Hiroaki Nishina
发明人： Takuma Nishio , Yoshinobu Sakaue , Susumu Narita , Ryo Sato , Koichi Murota , Masashi Suzuki , Hiroaki Nishina
摘要： An image forming apparatus includes an image reading device; an image forming device including a photoconductor, a charger, an exposure device including a light-emitting element, a memory to store a first correction value for correction a light emission amount of the light-emitting element, and a driver to drive the light-emitting element, a developing device, a transfer device, and a fixing device. The image forming apparatus further includes a processor to calculate a second correction value for correcting the light emission amount, based on density data of image data of a predetermined pattern on a recording medium; calculate a third correction value for correcting the light emission amount, based on the first correction value and the second correction value; and determine, before calculating the third correction value, whether placement of the recording medium on the reading table is correct based on the density data.
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公开(公告)号：US09091987B2
公开(公告)日：2015-07-28
申请号：US14013572
申请日：2013-08-29
CPC分类号： G03G15/5041 , G03G15/0131 , G03G15/5058 , G03G2215/0161
摘要： An image forming apparatus includes a first image forming unit that forms toner images based on image data on first image carriers; a second image carrier, on which the toner images formed on the first image carriers are transferred; a second image forming unit that transfers the toner images transferred on the second image carrier onto a transfer medium; a test pattern generating unit that generates a test pattern group with a predetermine length in a moving direction of the second image carrier; and an adjusting unit that determines a method to adjust an image formation condition for the first image forming unit using the test pattern group, based on a relationship between the predetermined length and a length of an image area, in which a print image based on the image data is formed, in a sub-scanning direction corresponding to the moving direction of the second image carrier.
摘要翻译： 图像形成装置包括：第一图像形成单元，其基于第一图像载体上的图像数据形成调色剂图像; 其上形成在第一图像载体上的调色剂图像的第二图像载体; 第二图像形成单元，将在第二图像载体上传送的调色剂图像转印到转印介质上; 测试图案生成单元，其生成在所述第二图像载体的移动方向上具有预定长度的测试图案组; 以及调整单元，其基于所述预定长度和图像区域的长度之间的关系确定用于使用所述测试图案组来调整所述第一图像形成单元的图像形成条件的方法，其中基于所述图像区域的打印图像 在对应于第二图像载体的移动方向的副扫描方向上形成图像数据。
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9.发明授权Image forming apparatus, method for performing image correction using the same and computer readable storage medium 有权图像形成装置，使用其进行图像校正的方法和计算机可读存储介质公开(公告)号：US08929783B2
公开(公告)日：2015-01-06
申请号：US14024825
申请日：2013-09-12
CPC分类号： G03G13/01 , G03G15/0105 , G03G15/0189 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus comprising: at least one first image carrier; an image writing unit configured to write the electrostatic latent image including a test pattern; a second image carrier configured to move along a transfer position facing to the at least one first image carrier; an image forming unit configured to transfer the subject image transferred on the second image carrier to a transfer material; a detector configured to detect the test pattern image; and a controller configured to correct an image forming condition of the subject image, wherein during a period from the detection of the test pattern to the writing a subsequent subject image, the controller calculates a correction amount of a correction matter, and reflects the calculated amount in the image forming condition of the subject image.
摘要翻译： 一种图像形成装置，包括：至少一个第一图像载体; 图像写入单元，被配置为写入包括测试图案的静电潜像; 第二图像载体，被配置为沿着面向所述至少一个第一图像载体的转印位置移动; 图像形成单元，被配置为将在第二图像载体上传送的被摄体图像转印到转印材料上; 检测器，被配置为检测所述测试图案图像; 以及控制器，被配置为校正所述被摄体图像的图像形成条件，其中，在从所述测试图案的检测到写入随后的被摄体图像的期间，所述控制器计算校正物的校正量，并且反映所计算的量 在被摄体图像的图像形成条件下。
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公开(公告)号：US20180356759A1
公开(公告)日：2018-12-13
申请号：US15990317
申请日：2018-05-25
申请人： Susumu Narita , Yoshinobu Sakaue , Ryo Sato , Koichi Murota , Masashi Suzuki , Takuma Nishio , Hiroaki Nishina
发明人： Susumu Narita , Yoshinobu Sakaue , Ryo Sato , Koichi Murota , Masashi Suzuki , Takuma Nishio , Hiroaki Nishina
IPC分类号： G03G15/00 , G03G15/043
CPC分类号： G03G15/5062 , G03G15/043 , G03G15/6529 , G03G2215/00042
摘要： An image forming apparatus includes a latent image bearer, a latent image writing device, a developing device, a conveyance unit to convey a recording medium, a transfer device, a length data acquisition unit to obtain a length of the recording medium in a conveyance direction of the recording medium, an image forming processor to form a test pattern, and a light quantity correction calculator that acquires image density data of the test pattern and calculates a light quantity correction value to correct a light quantity. The image forming processor sets a position of the test pattern on the recording medium in the conveyance direction of the recording medium and a length of the test pattern in the conveyance direction of the recording medium based on the length of the recording medium in the conveyance direction of the recording medium obtained by the length data acquisition unit.
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