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公开(公告)号：US5801360A
公开(公告)日：1998-09-01
申请号：US539739
申请日：1995-10-05
申请人： Hiroyuki Oba , Yasumasa Ohtsuka , Kouichi Okuda , Tatsunori Ishiyama , Akira Hayakawa , Daizo Fukuzawa , Takashi Shibuya
发明人： Hiroyuki Oba , Yasumasa Ohtsuka , Kouichi Okuda , Tatsunori Ishiyama , Akira Hayakawa , Daizo Fukuzawa , Takashi Shibuya
IPC分类号： G03G15/20
CPC分类号： G03G15/2003 , G03G15/2039 , G03G15/205 , G03G2215/2016 , G03G2215/2022 , G03G2215/2035 , G03G2215/2038
摘要： A fixing apparatus includes a heat generating element for generating heat upon electric power supply thereto; a temperature detecting element a for detecting a temperature or the heat generating element; power application control for controlling the power to the heat generating element so that the temperature detected by the temperature detecting element maintains a fixing temperature; and a power setting device for pre-applying power to the heat generating element to detect a rate of temperature change during the pre-application of power, before power is applied to start up the heat generating element to the fixing temperature, and for setting the power to be applied during the start-up period, in accordance with the detected rate of temperature change.
摘要翻译： 定影装置包括：发电元件，用于通过电力供应产生热量; 用于检测温度的温度检测元件a或发热元件; 电力应用控制，用于控制对发热元件的电力，使得由温度检测元件检测的温度保持定影温度; 以及功率设定装置，用于在向所述发热元件启动电力以将所述发热元件启动到所述定影温度之前，向所述发热元件预加电，以检测在所述电力的预施加期间的温度变化率， 根据检测到的温度变化率，在启动期间施加的功率。
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12.发明授权Image forming apparatus having fixing unit for fixing unfixed toner image formed on recording material onto recording material by heat 失效图像形成装置具有用于通过加热将记录材料上形成的未定影调色剂图像定影到记录材料上的定影单元公开(公告)号：US08725020B2
公开(公告)日：2014-05-13
申请号：US13301182
申请日：2011-11-21
申请人： Daizo Fukuzawa , Munehito Kurata , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
发明人： Daizo Fukuzawa , Munehito Kurata , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
IPC分类号： G03G15/20
CPC分类号： G03G15/2046 , G03G2215/2035
摘要： Corrected power for compensating for a reduction in the temperature of an endless belt that accompanies the entry of a recording material into a fixing nip portion is adjusted by correcting the power supplied to a fixing unit when the recording material enters the fixing unit with a correction power based on the difference between the update time of a power updating period and the time of the entry of the recording material.
摘要翻译： 通过校正当记录材料以校正功率进入定影单元时提供给定影单元的电力，来调节用于补偿伴随记录材料进入定影夹持部分的环形带的温度降低的校正功率 基于电源更新周期的更新时间与记录材料的输入时间之间的差异。
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公开(公告)号：US20110182632A1
公开(公告)日：2011-07-28
申请号：US13079305
申请日：2011-04-04
申请人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
发明人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
IPC分类号： G03G15/20
CPC分类号： G03G15/6573 , G03G15/2025 , G03G2215/00413 , G03G2215/00531
摘要： The image forming apparatus includes an image forming portion forming a toner image on a recording material, and a fixing portion heating and fixing the toner image formed on the recording material to the recording material, wherein the apparatus has a cleaning mode in which the fixing portion is cleaned, and when the cleaning mode is set, the image forming portion forms a predetermined toner image on the recording material, and the fixing portion then heats and fixes the predetermined toner image to the recording material to form a cleaning sheet which is heated and conveyed to clean the fixing portion. By the virtue of the present invention, it achieves high cleaning performance in which the fixing portion is cleaned by the cleaning sheet.
摘要翻译： 图像形成装置包括在记录材料上形成调色剂图像的图像形成部分和将形成在记录材料上的调色剂图像加热和定影到记录材料的定影部分，其中该装置具有清洁模式，其中固定部分 并且当清洁模式被设置时，图像形成部分在记录材料上形成预定的调色剂图像，然后固定部分将预定的调色剂图像加热并固定到记录材料上以形成被加热的清洁片材， 被输送以清洁固定部分。 通过本发明，通过清洁片清洁固定部分，实现了高清洁性能。
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公开(公告)号：US07933543B2
公开(公告)日：2011-04-26
申请号：US12418196
申请日：2009-04-03
申请人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
发明人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
IPC分类号： G03G15/20
CPC分类号： G03G15/6573 , G03G15/2025 , G03G2215/00413 , G03G2215/00531
摘要： The image forming apparatus includes an image forming portion forming a toner image on a recording material, and a fixing portion heating and fixing the toner image formed on the recording material to the recording material, wherein the apparatus has a cleaning mode in which the fixing portion is cleaned, and when the cleaning mode is set, the image forming portion forms a predetermined toner image on the recording material, and the fixing portion then heats and fixes the predetermined toner image to the recording material to form a cleaning sheet which is heated and conveyed to clean the fixing portion. By the virtue of the present invention, it achieves high cleaning performance in which the fixing portion is cleaned by the cleaning sheet.
摘要翻译： 图像形成装置包括在记录材料上形成调色剂图像的图像形成部分和将形成在记录材料上的调色剂图像加热和定影到记录材料的定影部分，其中该装置具有清洁模式，其中固定部分 并且当清洁模式被设置时，图像形成部分在记录材料上形成预定的调色剂图像，然后固定部分将预定的调色剂图像加热并固定到记录材料上以形成被加热的清洁片材， 被输送以清洁固定部分。 通过本发明，通过清洁片清洁固定部分，实现了高清洁性能。
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15.发明授权公开(公告)号：US06424814B1
公开(公告)日：2002-07-23
申请号：US09789637
申请日：2001-02-22
IPC分类号： G03G1516
摘要： An image forming apparatus is disclosed in which a specific toner is used, and a transferring means has a transfer roller which is in contact with the surface of an electrostatic image bearing member and rotates when the electrostatic image bearing member rotates. The toner is comprised of particles which have a weight average particle diameter of 4 to 12 &mgr;m, and in a circularity distribution for particles 3 &mgr;m or more in circle-equivalent diameter which are included in the toner, particles having a circularity of 0.90 or more account for 90% by number or more.
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公开(公告)号：US20120148282A1
公开(公告)日：2012-06-14
申请号：US13310973
申请日：2011-12-05
IPC分类号： G03G15/20
CPC分类号： G03G15/2078 , G03G15/2003 , G03G15/2039 , G03G15/2042 , G03G15/205 , G03G15/657 , G03G2215/2016 , G03G2215/2032
摘要： Adjusting the start timing for conveying a printing material from a printing material conveying unit based on a power supply update period for power supplied to a heater allows proper power correction timing to be attained for compensating for a drop in temperature of the endless belt following the printing material entering a fixing nip portion.
摘要翻译： 基于供给到加热器的功率的电源更新周期来调整从打印材料传送单元输送打印材料的开始时间，可以获得适当的功率校正时间，以补偿打印后的环形带的温度下降 材料进入定影辊隙部分。
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公开(公告)号：US20110150549A1
公开(公告)日：2011-06-23
申请号：US12968720
申请日：2010-12-15
申请人： Tooru Imaizumi , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Munehito Kurata , Kuniaki Kasuga
发明人： Tooru Imaizumi , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Munehito Kurata , Kuniaki Kasuga
CPC分类号： B65H7/02 , B65H2511/17 , B65H2511/212 , B65H2513/104 , B65H2553/612 , G03G15/657 , B65H2220/01 , B65H2220/02
摘要： The present invention provides an image forming apparatus having an upstream conveying portion, a downstream conveying portion, and a contact loop detection portion to detect a loop of the sheet formed between the upstream conveying portion and the downstream conveying portion, wherein the loop detection portion, includes a sensor that outputs the detection signal, a contact portion that protrudes into a sheet conveyance path between the upstream conveying portion and the downstream conveying portion as if to come into contact with the sheet conveyed through the sheet conveyance path and causes the sensor to output the detection signal by moving in contact with the sheet, and a contact force changing portion that changes a contact force with which the contact portion comes into contact with the sheet conveyed through the sheet conveyance path according to a type of the sheet conveyed through the sheet conveyance path.
摘要翻译： 本发明提供一种具有上游输送部分，下游输送部分和接触回路检测部分的图像形成装置，用于检测在上游输送部分和下游输送部分之间形成的片材的环路，其中环路检测部分， 包括输出检测信号的传感器，接触部分，其突出到上游输送部分和下游输送部分之间的片材输送路径中，好像与通过片材输送路径输送的片材接触，并使传感器输出 通过与片材接触移动的检测信号，以及接触力改变部分，其改变接触部分与通过片材传送路径传送的片材接触的接触力，根据通过片材传送的片材的类型 输送路径。
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18.发明授权Image forming apparatus for fixing an image on a recording material and a current detection circuit therefor 有权用于将图像定影在记录材料上的图像形成装置及其电流检测电路公开(公告)号：US07630662B2
公开(公告)日：2009-12-08
申请号：US12203643
申请日：2008-09-03
IPC分类号： G03G15/20
CPC分类号： G03G15/5004 , G03G15/2039 , G03G2215/00413 , G03G2215/00599 , G03G2215/00772 , G03G2215/00949 , G03G2215/0145 , G03G2215/2045
摘要： The image forming apparatus includes a current detection circuit for detecting an input current from the commercial power supply to the apparatus, in which: when a current detected by the current detection circuit exceeds a predetermined value, a maximum current suppliable to a fixing portion is restricted; and when a temperature of the fixing portion falls below, in a situation where the maximum current suppliable to the fixing portion is restricted, the predetermined temperature lower than a control target temperature, a conveyance interval of a recording material conveyed to the fixing portion is extended. In the image forming apparatus, even when a consumption current of the image forming apparatus is increased during successive image formation, it is capable of controlling the consumption current so as not to exceed a maximum current of a commercial power supply, securing desired fixability, and minimizing decline of image forming performance.
摘要翻译： 图像形成装置包括：电流检测电路，用于检测从商用电源到设备的输入电流，其中：当由电流检测电路检测到的电流超过预定值时，限制可用于固定部分的最大电流 ; 并且当固定部分的温度下降时，在可限制固定部分的最大电流的情况下，预定温度低于控制目标温度，传送到固定部分的记录材料的输送间隔延长 。 在图像形成装置中，即使在连续图像形成期间图像形成装置的消耗电流增加时，能够控制消耗电流，从而不超过商用电源的最大电流，确保期望的定影性，以及 最小化成像性能的下降。
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公开(公告)号：US20090003868A1
公开(公告)日：2009-01-01
申请号：US12203643
申请日：2008-09-03
IPC分类号： G03G15/20
CPC分类号： G03G15/5004 , G03G15/2039 , G03G2215/00413 , G03G2215/00599 , G03G2215/00772 , G03G2215/00949 , G03G2215/0145 , G03G2215/2045
摘要： The image forming apparatus includes a current detection circuit for detecting an input current from the commercial power supply to the apparatus, in which: when a current detected by the current detection circuit exceeds a predetermined value, a maximum current suppliable to a fixing portion is restricted; and when a temperature of the fixing portion falls below, in a situation where the maximum current suppliable to the fixing portion is restricted, the predetermined temperature lower than a control target temperature, a conveyance interval of a recording material conveyed to the fixing portion is extended. In the image forming apparatus, even when a consumption current of the image forming apparatus is increased during successive image formation, it is capable of controlling the consumption current so as not to exceed a maximum current of a commercial power supply, securing desired fixability, and minimizing decline of image forming performance.
摘要翻译： 图像形成装置包括：电流检测电路，用于检测从商用电源到设备的输入电流，其中：当由电流检测电路检测到的电流超过预定值时，限制可用于固定部分的最大电流 ; 并且当固定部分的温度下降时，在可限制固定部分的最大电流的情况下，预定温度低于控制目标温度，传送到固定部分的记录材料的输送间隔延长 。 在图像形成装置中，即使在连续图像形成期间图像形成装置的消耗电流增加时，能够控制消耗电流，从而不超过商用电源的最大电流，确保期望的定影性，以及 最小化成像性能的下降。
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公开(公告)号：US06993279B2
公开(公告)日：2006-01-31
申请号：US10800777
申请日：2004-03-16
申请人： Daizo Fukuzawa , Nobuya Tamura
发明人： Daizo Fukuzawa , Nobuya Tamura
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2035
摘要： The image heating apparatus for heating an image formed on a recording material includes a flexible sleeve member, a guide member, a regulating member having a flange portion and a sliding portion, a rotatable member, a nip portion and a plurality of ribs. The plurality of ribs are positioned in the manner the contour of the plurality of ribs is positioned inside the contour of the sliding portion of the regulating member along the longitudinal direction of the image heating apparatus. Thereby, a reduction in the durability of the flexible sleeve member can be suppressed.
摘要翻译： 用于加热形成在记录材料上的图像的图像加热装置包括柔性套筒构件，引导构件，具有凸缘部分和滑动部分的调节构件，可旋转构件，夹持部分和多个肋。 多个肋沿着图像加热装置的纵向方向以多个肋的轮廓位于调节构件的滑动部分的轮廓内的方式定位。 由此，可以抑制柔性套筒构件的耐久性的降低。
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