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    • 32. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20110268482A1
    • 2011-11-03
    • US13094057
    • 2011-04-26
    • Takaaki AkamatsuShuichi TetsunoMasashi TanakaShogo KanKenichi Ogawa
    • Takaaki AkamatsuShuichi TetsunoMasashi TanakaShogo KanKenichi Ogawa
    • G03G15/20
    • G03G15/2025G03G2215/00531G03G2215/2035
    • An image forming apparatus includes an image forming portion for forming an unfixed toner image on a recording material; and a fixing portion for heat-fixing the unfixed toner image on the recording material while nip-conveying the recording material in a fixing nip, the fixing portion includes a first rotatable member contactable to the unfixed toner image, and a second rotatable member contacted to the first rotatable member to form the fixing nip between itself and the first rotatable member. The image forming apparatus is capable of setting a cleaning mode in which the fixing portion is cleaned by a cleaning sheet while nip-conveying the cleaning sheet in the fixing nip. When the cleaning mode is set, the image forming apparatus executes a plurality of types of cleaning operations in a period in which a single cleaning sheet passes through the fixing nip.
    • 图像形成装置包括用于在记录材料上形成未定影调色剂图像的图像形成部分; 以及固定部分,用于在定影辊隙中夹持记录材料的同时将未定影的调色剂图像热定影在记录材料上,所述固定部分包括可接触未定影调色剂图像的第一可旋转构件和与第二可旋转构件接触的第二可旋转构件 第一可旋转构件以在其自身和第一可旋转构件之间形成定影夹持部。 图像形成装置能够设置清洁模式,其中在定影辊隙中夹持输送清洁片时,清洁片被清洁。 当设置清洁模式时,图像形成装置在单个清洁片通过定影辊隙的时间段内执行多种类型的清洁操作。
    • 34. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07650091B2
    • 2010-01-19
    • US12133670
    • 2008-06-05
    • Noriyuki ItoKenichi OgawaRikuo Kawakami
    • Noriyuki ItoKenichi OgawaRikuo Kawakami
    • G03G15/20
    • G03G15/2042G03G2215/00721G03G2215/00734
    • An image forming apparatus has a heat member configured so that a longitudinal center becomes a conveyance center of the recording material, the apparatus also having a central portion temperature detection part for detecting a temperature of the heat member corresponding to the conveyance center or adjacent thereto, a one side end portion temperature detection part for detecting one end portion temperature at one side in a longitudinal direction of the heat member, and an other side end portion temperature detection part for detecting an other end portion temperature on the other side in the longitudinal direction of the heat member, and a control part for controlling the image forming apparatus based on heat member temperature information detected by the central portion temperature detection part, the one side end portion temperature detection part, and the other side end portion temperature detection part.
    • 图像形成装置具有加热构件,其构造成纵向中心成为记录材料的输送中心,该装置还具有用于检测对应于输送中心或与其相邻的加热构件的温度的中心部分温度检测部, 一个侧端部温度检测部,用于检测加热部件的长度方向的一端的一端部温度,另一个侧端部温度检测部,用于检测长度方向另一侧的另一端部温度 以及控制部,其基于由中央部温度检测部,一侧端部温度检测部和另一侧端部温度检测部检测出的加热部件温度信息来控制图像形成装置。
    • 39. 发明授权
    • Calling signal transmission apparatus
    • 呼叫信号传输装置
    • US4748659A
    • 1988-05-31
    • US904495
    • 1986-09-08
    • Kiyoshi KasaharaKenichi OgawaKenji TakatoShoji NojiriYoshimi IijimaYasuo MiyazakiMitsutoshi AyanoKiyoshi ShibuyaAtsuo Serikawa
    • Kiyoshi KasaharaKenichi OgawaKenji TakatoShoji NojiriYoshimi IijimaYasuo MiyazakiMitsutoshi AyanoKiyoshi ShibuyaAtsuo Serikawa
    • H04M19/02
    • H04M19/026
    • In a calling signal transmitting apparatus, a ring trip equipment, including a ring trip detecting circuit for detecting a ring trip signal in response to an off-hook operation of the telephone set during a signal state of an intermittent ringing signal and a loop detecting circuit for detecting a loop signal in response to an off-hook operation of the telephone set during a nonsignal state of the intermittent ringing signal. Also included are a logical OR gate circuit, for providing, as a status signal, a logical sum of the ring trip signal and the loop signal, and a supervising circuit for supervising the status signal. When an incoming call is being received by the telephone set, when the supervising circuit detects an off-hook state in the status signal, the supervising circuit stops the transmission of a ringing signal to the telephone set, and carries out a second supervising operation for supervising the status signal, and, if an on-hook state is detected during the second supervising operation, said supervising circuit again transfers the ringing signal to the telephone set.
    • 在呼叫信号发送装置中,环路跳闸设备包括环路跳闸检测电路,用于在间歇振铃信号的信号状态期间响应于电话机的摘机操作来检测环路跳闸信号,以及环路检测电路 用于在间歇振铃信号的非信号状态期间响应于电话机的摘机操作来检测回路信号。 还包括逻辑或门电路,用于提供环路跳闸信号和环路信号的逻辑和作为状态信号,以及用于监视状态信号的监控电路。 当电话机接收到来电时,当监控电路在状态信号中检测到摘机状态时,监控电路停止向电话机发送振铃信号,并执行第二监视操作 监视状态信号,并且如果在第二监视操作期间检测到挂机状态,则所述监控电路再次将振铃信号传送到电话机。