公开(公告)号：US5953223A

公开(公告)日：1999-09-14

申请号：US768728

申请日：1996-12-18

申请人： Takeshi Kato ,  Mikiyuki Aoki ,  Eiji Okabayashi

发明人： Takeshi Kato ,  Mikiyuki Aoki ,  Eiji Okabayashi

IPC分类号： G03G15/00 ,  G03G15/20 ,  H02M3/28 ,  H05B6/10 ,  H02M5/458

CPC分类号： G03G15/80 ,  G03G15/2003 ,  H02M3/28 ,  H02M2001/0006 ,  H02M2001/008

摘要： This invention is related to a power supply unit used in an image forming apparatus having a induction heat fusing device. In the power supply unit, each of a first and a second rectifying circuits rectifies AC voltage from a power supply to generate DC voltage. An inverter circuit generates a high frequency voltage to be applied to a coil of the induction heat fusing device by switching the DC voltage from the first rectifying circuit. A switching circuit switches the DC voltage from said second rectifying circuit and generates AC voltage. A transformer receives the AC voltage from the switching circuit and outputs a transformed voltage to be apply to a component of the image forming apparatus. The inverter, second rectifying circuit and switching circuit are connected to a common ground line.

摘要翻译： 本发明涉及一种用于具有感应热定影装置的图像形成装置中的电源单元。 在电源单元中，第一和第二整流电路中的每一个对来自电源的AC电压进行整流以产生DC电压。 逆变器电路通过切换来自第一整流电路的直流电压来产生施加到感应热定影装置的线圈的高频电压。 开关电路切换来自第二整流电路的直流电压，并产生交流电压。 变压器从开关电路接收交流电压，并输出适用于图像形成装置的部件的变换电压。 逆变器，第二整流电路和开关电路连接到公共地线。

公开(公告)号：US5722025A

公开(公告)日：1998-02-24

申请号：US735539

申请日：1996-10-23

申请人： Yuusuke Morigami ,  Eiji Okabayashi ,  Takeshi Kato ,  Tetsuro Ito

发明人： Yuusuke Morigami ,  Eiji Okabayashi ,  Takeshi Kato ,  Tetsuro Ito

IPC分类号： G03G15/20 ,  H05B3/00

CPC分类号： H05B3/0095 ,  G03G15/2053

摘要： A fixing device for heating and fixing an unfixed image to a record member bearing the unfixed image, including a heating roller, a backup member, and a current transmitting units. The heating roller includes a core roller, and a resistance heating member which is formed on the core roller and generates heat when a current is transmitted thereto through the current transmitting units, and is rotatably carried at opposite ends of the core roller by bearing units. The current transmitting units are arranged at positions opposed to the bearing units. The current transmitting unit includes a current receiver member and a current supply member. At mutual contact surfaces of them, the current receiver member has a concave section, and the current supply member has a convex section. The outer periphery circle of at least one side surface of said current receiver member has a radial difference of 6 mm or more with respect to an outer periphery circle of the heating roller at a sheet passing region. The heating roller has dust mevement restricting grooves.

摘要翻译： 一种用于将未定影图像加热固定到承载未定影图像的记录构件的定影装置，包括加热辊，支撑构件和电流传输单元。 加热辊包括芯辊和电阻加热部件，该电阻加热部件形成在芯辊上，并且当电流通过电流传递单元传递到电流传递单元时产生热量，并且通过轴承单元可旋转地承载在芯辊的相对端。 电流传输单元布置在与轴承单元相对的位置处。 电流传输单元包括电流接收器构件和电流供应构件。 在它们的相互接触表面处，电流接收元件具有凹形部分，并且电流供给部件具有凸形部分。 所述电流接收元件的至少一个侧表面的外周圆相对于片材通过区域处的加热辊的外周圆具有6mm或更大的径向差。 加热辊具有灰尘限制槽。

公开(公告)号：US6037576A

公开(公告)日：2000-03-14

申请号：US917843

申请日：1997-08-27

申请人： Eiji Okabayashi ,  Tetsuro Ito ,  Yuusuke Morigami ,  Takeshi Kato ,  Taizou Oonishi

发明人： Eiji Okabayashi ,  Tetsuro Ito ,  Yuusuke Morigami ,  Takeshi Kato ,  Taizou Oonishi

IPC分类号： G03G15/20 ,  H05B6/08

CPC分类号： G03G15/2003 ,  G03G15/2039

摘要： An induction heating fixing device is disclosed which is provided with a conducting sleeve, a coil for causing the sleeve to generate an induced current, and a high-frequency power source for feeding a high-frequency wave to the coil. This fixing device detects the switching cycle of the high-frequency power source and the electric power injected into the sleeve and, based on the detected switching cycle and the detected electric power, controls the amount of electric current to be fed from the high-frequency power source to the coil.

摘要翻译： 公开了一种感应加热定影装置，其具有导电套筒，用于使套筒产生感应电流的线圈，以及用于将高频波馈送到线圈的高频电源。 该固定装置检测高频电源的开关周期和注入到套筒中的电力，并且基于检测到的开关周期和检测到的电力来控制从高频电源供给的电流量 电源到线圈。

公开(公告)号：US5752150A

公开(公告)日：1998-05-12

申请号：US707685

申请日：1996-09-04

申请人： Takeshi Kato ,  Eiji Okabayashi ,  Satoru Yoneda ,  Yuusuke Morigami ,  Tetsuro Ito

发明人： Takeshi Kato ,  Eiji Okabayashi ,  Satoru Yoneda ,  Yuusuke Morigami ,  Tetsuro Ito

IPC分类号： G03G15/20

CPC分类号： G03G15/2003 ,  G03G15/2053

摘要： The induction-heating apparatus of this invention contains a conductive member, a power source, and a first and a second induction coil connected to the power source and adapted for causing the conductive member to generate an induced current, the first and the second induction coil being parallelly connected. The induction coil is formed by winding a copper wire round a core in such a manner that the numbers of turns of the copper wire gradually decrease from the lowermost layer approximating most closely to the core to the upper layers. This heating apparatus has the thickness of the induction coil in the range of 0.2-0.8 mm. The gap between the induction coil and the conductive member is in the range of 0.5-4.0 mm. This heating apparatus has the induction coil thrust out of the conductive member. The induction coil is formed of a Litz wire.

摘要翻译： 本发明的感应加热装置包括导电部件，电源以及连接到电源的适于使导电部件产生感应电流的第一和第二感应线圈，第一和第二感应线圈 并联连接。 感应线圈是通过以铁芯的方式卷绕铜线而形成的，使得铜线的匝数从最靠近近似于芯到最上层的最下层逐渐减小。 该加热装置的感应线圈的厚度在0.2-0.8mm的范围内。 感应线圈和导电部件之间的间隙在0.5-4.0mm的范围内。 该加热装置具有从导电构件推出的感应线圈。 感应线圈由Litz线形成。

公开(公告)号：US5526103A

公开(公告)日：1996-06-11

申请号：US413770

申请日：1995-03-30

申请人： Takeshi Kato ,  Satoru Yoneda ,  Eiji Okabayashi ,  Peter Johnston ,  Hiroaki Hinotani ,  Tohru Fujiwara

发明人： Takeshi Kato ,  Satoru Yoneda ,  Eiji Okabayashi ,  Peter Johnston ,  Hiroaki Hinotani ,  Tohru Fujiwara

IPC分类号： G03G15/20 ,  H05B6/14

CPC分类号： H05B6/145 ,  G03G15/2053

摘要： An induction heating fixing device comprises a heat roller in which coil assemblies are disposed. The coil assemblies are aligned axially of the roller to produce magnetic flux in a direction orthogonal to the axis of the heat roller.

摘要翻译： 一种感应加热定影装置包括设置线圈组件的加热辊。 线圈组件在辊的轴向对准以在与加热辊的轴线正交的方向上产生磁通量。

公开(公告)号：US5822669A

公开(公告)日：1998-10-13

申请号：US695916

申请日：1996-08-12

申请人： Eiji Okabayashi ,  Takeshi Kato ,  Satoru Yoneda

发明人： Eiji Okabayashi ,  Takeshi Kato ,  Satoru Yoneda

IPC分类号： G03G15/20 ,  H05B6/14

CPC分类号： G03G15/2053 ,  H05B6/145

摘要： An induction heating device for printers, copiers and the like includes a magnetic coil assembly and a heated metal body that form a closed magnetic circuit. To compensate for the effects of heat radiation at the ends of the heated metal body, a greater amount of heat is generated at the ends of the body than at the center thereof. In one approach, the amount of heat is varied by changing physical parameters of the magnetic circuit, such as the spacing of the coil assemblies from the heated body, the relative sizes of the cores, and/or the relative magnetic permeability of the cores. In another approach, the electrical connection of the coils of multiple assemblies are arranged such that the coils in the center of the heated body are in parallel, and the coils at the ends of the body are in series with the parallel central coils.

摘要翻译： 用于打印机，复印机等的感应加热装置包括形成闭合磁路的电磁线圈组件和加热的金属体。 为了补偿加热的金属体的端部处的热辐射的影响，在本体的端部产生比在其中心更大量的热量。 在一种方法中，通过改变磁路的物理参数，例如线圈组件与加热体的间距，芯的相对尺寸和/或芯的相对导磁率，可以改变热量。 在另一种方法中，多个组件的线圈的电连接被布置成使得加热体的中心中的线圈是平行的，并且主体的端部处的线圈与平行的中心线圈串联。

公开(公告)号：US5752148A

公开(公告)日：1998-05-12

申请号：US556203

申请日：1995-11-09

申请人： Satoru Yoneda ,  Takeshi Kato ,  Eiji Okabayashi ,  Hiroaki Hinotani ,  Tatsumi Fujishima

发明人： Satoru Yoneda ,  Takeshi Kato ,  Eiji Okabayashi ,  Hiroaki Hinotani ,  Tatsumi Fujishima

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032

摘要： A toner image formed on a recording member is fixed onto the recording member by a fixing device having a heatable member, a heater for heating the heatable member positioned on one side of the heatable member, the recording member being positioned on an opposite side of the heatable member and spaced from the heatable member to heat the recording member by radiation from the heatable member, and a fixing structure for fixing the toner image on the heated recording member. The heatable member can be a fixing belt arranged in a loop while the heater is an electromagnetic induction coil positioned substantially within the loop. The electromagnetic induction coil generates a magnetic flux perpendicular to the transport direction of the fixing belt to produce an eddy-like induction current in a conductive member of the fixing belt to heat the fixing belt. The fixing belt, in turn, heats the recording member on the exterior side of the belt to soften the toner image thereon. The fixing structure, e.g., a pressure roller, then fixes the toner image on the heated recording member. The heatable member may be a conductive guide member, or a belt arranged in a loop and having a tension roller with the electromagnetic induction coil being arranged on an interior side of the tension roller.

摘要翻译： 形成在记录部件上的调色剂图像通过具有可加热部件的定影装置固定在记录部件上，加热器用于加热位于可加热部件一侧的可加热部件，记录部件位于 可加热构件并与可加热构件间隔开，以通过来自可加热构件的辐射来加热记录构件，以及用于将调色剂图像定影在加热的记录构件上的固定结构。 可加热构件可以是布置成环的定影带，而加热器是基本上位于环内的电磁感应线圈。 电磁感应线圈产生垂直于定影带传送方向的磁通量，在定影带的导电部件中产生涡流感应电流，以加热定影带。 定影带依次加热带的外侧上的记录部件，以软化其上的调色剂图像。 固定结构，例如压力辊，然后将调色剂图像固定在加热的记录部件上。 可加热构件可以是导电引导构件或布置成环的带，并且具有张紧辊，电磁感应线圈布置在张紧辊的内侧。

公开(公告)号：US5906762A

公开(公告)日：1999-05-25

申请号：US75231

申请日：1998-05-11

申请人： Eiji Okabayashi

发明人： Eiji Okabayashi

IPC分类号： G03G15/20 ,  H05B3/00

CPC分类号： G03G15/2053 ,  G03G15/2039 ,  G03G15/2046 ,  H05B3/0095

摘要： A fixing device for heating and fixing an unfixed image to a record member, including: a heating roller having a core roller and a layer of a resistance heating material formed on an outer or inner peripheral surface of the core roller; a pair of carriers rotatably carrying the heating roller; a pair of ring-shaped current receiver members each located between the carrier and a center of the heating roller, a pair of current supply members being in contact with the current receiver members; and insulating members made of an electrical insulation material, each being in contact with an outer end of the current receiver member and extending toward the carrier, wherein a distance L3 from the inner end of the carrier to the outer end of the current receiver member is 1 mm or more, a sum (L1+L2) of a width L1 of the insulating member and a height L2 of the insulating member from the core roller is 2.5 mm or more, and the distance L3 and the width L1 satisfy a relationship of L3.gtoreq.L1.A heat-resistant electrical insulation layer may cover the surface of the resistance heating material layer and a temperature sensing element may be provided, a portion of the element being in contact with the heat-resistant electrical insulation layer of the heating roller and covered with a heat-resistant electrical insulation layer. Each of the heat-resistant electrical insulation layers has a breakdown voltage of 3000 V or more.

摘要翻译： 一种用于将未定影图像加热并固定到记录部件的定影装置，包括：加热辊，具有芯辊和形成在芯辊的外周表面或内周表面上的电阻加热材料层; 可旋转地承载加热辊的一对托架; 一对环形电流接收器，每个位于所述载体和所述加热辊的中心之间，一对电流供应构件与所述电流接收器构件接触; 以及由电绝缘材料制成的绝缘构件，每个绝缘构件均与所述电流接收构件的外端接触并且朝向所述载体延伸，其中从所述载体的内端到所述接收构件的外端的距离L3为 绝缘构件的宽度L1和绝缘构件与芯辊的高度L2的和（L1 + L2）为2.5mm以上，距离L3和宽度L1满足关系 L3> / = L1。 耐热电绝缘层可以覆盖电阻加热材料层的表面，并且可以设置温度感测元件，元件的一部分与加热辊的耐热电绝缘层接触并被覆盖 耐热电绝缘层。 各耐热电绝缘层的击穿电压为3000V以上。

公开(公告)号：US5467363A

公开(公告)日：1995-11-14

申请号：US352810

申请日：1994-12-01

申请人： Eiji Okabayashi

发明人： Eiji Okabayashi

IPC分类号： B41J2/52 ,  B41J2/44 ,  H01S5/06 ,  H01S5/062 ,  H01S5/0683 ,  H04N1/036 ,  H01S3/00

CPC分类号： H01S5/06832 ,  H01S5/0617 ,  H01S5/06213

摘要： A laser drive apparatus capable of modulating the intensity of a laser output in conformity with a variation in the intensity of laser output. In this apparatus, the interval of laser emission intensity between 40% and 100% is equally divided by the number of intensity levels, the magnitude of the laser drive current (digital data) corresponding to the intensity levels is determined by computation, the results of this computation are memorized by the lookup table RAM (LUTRUM) 14, and the control of intensity levels is effected by the digital data in the LUTRAM 14.

摘要翻译： 一种激光驱动装置，其能够根据激光输出强度的变化来调制激光输出的强度。 在该装置中，激光发射强度在40％和100％之间的间隔等于强度级数，通过计算确定对应于强度级别的激光驱动电流（数字数据）的幅度，结果 该计算由查找表RAM（LUTRUM）14存储，强度级别的控制由LUTRAM 14中的数字数据实现。

公开(公告)号：US06498919B2

公开(公告)日：2002-12-24

申请号：US09812594

申请日：2001-03-21

申请人： Eiji Okabayashi

发明人： Eiji Okabayashi

IPC分类号： G03G1520

CPC分类号： G03G15/2053 ,  G03G15/2057 ,  G03G2215/2016 ,  G03G2215/2032

摘要： A metal sheet showing either voltage characteristics, impedance or calorific characteristics close to the case where low frequency is applied even when a high frequency alternating current voltage is applied. This metal sheet presents a good movement of displacement and less starting points of cracking, because of its good crystallinity (good mobility of conductive electrons). Therefore, it is hardly destroyed under the repeated deformation. In short, it presents a high fatigue resistance against repetitive deformation. Therefore, this metal sheet is suited for a fixing belt and a fixing apparatus. The evaluation of fatigue resistance using this can be realized by comparing voltage characteristics, impedance, or calorific characteristics when high and low frequency alternating current voltages are applied to a test piece.

摘要翻译： 即使施加高频交流电压，也可以表示即使施加低频的情况下的电压特性，阻抗或发热特性的金属片。 由于其良好的结晶度（导电电子的迁移率良好），该金属片具有良好的位移移动和较小的开裂起点。 因此，在重复变形下几乎不会被破坏。 简而言之，它对抗重复变形具有高抗疲劳性。 因此，该金属板适用于定影带和定影装置。 通过将高频和低频交流电压施加到测试片上的电压特性，阻抗或发热特性进行比较，可以实现对其耐疲劳性的评估。