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    • 85. 发明授权
    • Fixing apparatus and image processing apparatus
    • 固定装置和图像处理装置
    • US07653323B2
    • 2010-01-26
    • US11736075
    • 2007-04-17
    • Toshihiro SoneOsamu TakagiSatoshi KinouchiYoshinori Tsueda
    • Toshihiro SoneOsamu TakagiSatoshi KinouchiYoshinori Tsueda
    • G03G15/20
    • G03G15/2039
    • According to an embodiment, a heating device having a plurality of heating members which heat the heating roller, a first thermoelectric converting section having a plurality of thermoelectric converting elements, each of which has a heat-absorbing surface and a cooling surface and generates electromotive force by difference in temperature between the heat-absorbing surface and the cooling surface, and formed along a curved surface of the heating roller, in which the heat-absorbing surface is disposed with a predetermined space from an outer circumferential surface of the heating roller, an auxiliary power supply charged with electric power generated by the first thermoelectric converting section, and a switching section which switches the apparatus between a first state in which electric power is supplied from utility power to the heating members and a second state in which electric power is supplied from the auxiliary power supply to the heating members, based on a predetermined signal.
    • 根据实施方式,具有加热加热辊的多个加热部件的加热装置,具有多个热电转换元件的第一热电转换部,各热电转换元件具有吸热面和冷却面,并产生电动势 通过吸热面与冷却面之间的温度差,沿着加热辊的曲面形成有吸热面从加热辊的外周面以规定间隔配置的加热辊, 充电了由第一热电转换部产生的电力的辅助电源以及在从供电部向供电部供给电力的第一状态和供给电力的第二状态之间切换装置的切换部 从辅助电源到加热构件 al。
    • 87. 发明授权
    • Fixing apparatus and image processing apparatus
    • 固定装置和图像处理装置
    • US07546051B2
    • 2009-06-09
    • US11736076
    • 2007-04-17
    • Toshihiro SoneOsamu TakagiSatoshi KinouchiYoshinori Tsueda
    • Toshihiro SoneOsamu TakagiSatoshi KinouchiYoshinori Tsueda
    • G03G15/20
    • G03G15/2039G03G2215/00586G03G2215/2083
    • A fixing apparatus according to an embodiment of the invention includes a heating roller for providing heat to a developer holding medium holding a developer image, a pressurizing roller which comes in contact with the heating roller, a heater having heating members for heating the heating roller, a non-contact temperature detector which includes a non-contact temperature detection element for detecting a first temperature of the heating roller in an area between a position heated by the heater and a position to contact the pressurizing roller with heating the heater, from detection positions in the longitudinal direction of the heating roller, and a detection range adjustment member which is placed between the non-contact temperature detection element and the heating roller, and has openings to set a detection range wider for far detection positions, compared with a range for near detection positions.
    • 根据本发明的实施例的定影装置包括:用于向保持显影剂图像的显影剂保持介质提供热量的加热辊,与加热辊接触的加压辊,具有用于加热加热辊的加热构件的加热器, 一种非接触式温度检测器,其包括非接触式温度检测元件,用于在加热器加热的位置和加热加热器之间接触加压器的位置之间的区域中检测加热辊的第一温度, 以及位于非接触式温度检测元件和加热辊之间的检测范围调整部件,并且具有用于将远检测位置的检测范围设定为宽的开口,与所述检测范围调整部件的范围相比, 靠近检测位置。
    • 88. 发明授权
    • Ink jet printer and method of wiping an ink discharging plane
    • 喷墨打印机和擦墨器的方法
    • US07478897B2
    • 2009-01-20
    • US11229714
    • 2005-09-20
    • Osamu Takagi
    • Osamu Takagi
    • B41J2/015B41J2/165
    • B41J2/16535
    • An ink jet printer is provided with an ink jet head, a wiper and a transferring device. The ink jet head has an ink discharging plane. A plurality of ink openings for discharging ink toward a print medium and a liquid opening for discharging liquid are formed on the ink discharging plane. The ink openings are closer to one end of the ink discharging plane than the liquid opening is. The liquid opening is closer to the other end of the ink discharging plane than the ink openings are. The wiper wipes the ink discharging plane of the ink jet head. The transferring device transfers the ink jet head and/or the wiper such that the wiper wipes the ink discharging plane from a beginning position located at the other end side of the ink discharging plane to a finishing position located at the one end side of the ink discharging plane. The liquid discharged from the liquid opening adheres to the wiper when the wiper wipes an area where the liquid opening is formed. A distance between the liquid opening and an ink opening located at the most upstream position of the wiping direction of the wiper is longer than a distance between the two adjacent ink openings.
    • 喷墨打印机设置有喷墨头,刮水器和转印装置。 喷墨头具有喷墨平面。 在喷墨平面上形成有用于向打印介质排出墨的多个墨水开口和用于排出液体的液体开口。 油墨开口比液体开口更靠近喷墨平面的一端。 液体开口比油墨开口更靠近墨水排放平面的另一端。 刮水器擦拭喷墨头的喷墨平面。 传送装置传送喷墨头和/或擦拭器,使得擦拭器从位于墨水排放平面的另一端侧的开始位置擦拭墨水排出平面至位于墨水一端侧的精加工位置 放电平面 当擦拭器擦拭形成液体开口的区域时,从液体开口排出的液体粘附到擦拭器。 位于擦拭器擦拭方向最上游位置的液体开口和墨水开口之间的距离比两个相邻的墨水开口之间的距离更长。
    • 89. 发明申请
    • FIXING DEVICE, IMAGE FORMING APPARATUS, AND HEATING CONTROL METHOD FOR FIXING DEVICE
    • 固定装置,图像形成装置和用于固定装置的加热控制方法
    • US20080285996A1
    • 2008-11-20
    • US12117022
    • 2008-05-08
    • Satoshi KinouchiOsamu TakagiYoshinori TuedaToshihiro SoneKoichiro Saito
    • Satoshi KinouchiOsamu TakagiYoshinori TuedaToshihiro SoneKoichiro Saito
    • G03G15/20
    • G03G15/2039G03G2215/2032
    • A fixing device includes a heat roller having a degaussing alloy material, an induction heating member for exciting the heat roller, an inverter circuit for giving power at a predetermined frequency to the induction heating member, and a control unit, and when driving at a first drive frequency and fixing small size sheets by continuous passing, a local temperature rise occurs at an end part of the heat roller, and the end part approaches the Curie temperature, and when impedance of the inverter circuit reduces and an excessive current flows in the circuit, the fixing device drives at a higher second drive frequency, thereby increases a resistance of the heat roller by an epidermal effect of magnetic flux, increases an apparent resistance of the inverter circuit, makes it possible to use a flowing current within a normal range, heating a central part of the heat roller, and continues the fixing.
    • 定影装置包括具有消磁合金材料的加热辊,用于激励加热辊的感应加热部件,向感应加热部件以规定频率供给的逆变器电路,以及控制部, 驱动频率和连续通过固定小尺寸片材时,在加热辊的端部发生局部温度升高,并且端部接近居里温度,并且当逆变器电路的阻抗减小并且电路中流过的电流过大时 固定装置以较高的第二驱动频率驱动,从而通过磁通的表皮效应增加加热辊的电阻,增加逆变器电路的视在电阻,可以使用在正常范围内的流动电流, 加热加热辊的中心部分,并继续固定。