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1. 发明申请

US20070269229A1 FIXING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：US20070269229A1
公开(公告)日：2007-11-22
申请号：US11743871
申请日：2007-05-03
申请人： Yoritsugu MAEDA , Hiromichi TSUJINO , Katsumi TAKAHASHI , Junichi NOGUCHI , Eijiro ATARASHI , Takashi SOYA
发明人： Yoritsugu MAEDA , Hiromichi TSUJINO , Katsumi TAKAHASHI , Junichi NOGUCHI , Eijiro ATARASHI , Takashi SOYA
IPC分类号： G03G15/20
CPC分类号： G03G15/55 , G03G15/2032
摘要： This invention can provide a fixing apparatus capable of determining its own life with high accuracy, and an image forming apparatus using this fixing apparatus. To accomplish this, a fixing apparatus includes a fixing unit whose nip portion is separable, a fixing driving motor which drives the fixing unit, a load detecting unit which detects the load acting on the fixing driving motor, and a determining unit which determines the life of the fixing unit on the basis of the difference between the load while the fixing unit is in a press-contacted state and the load while the fixing unit is in a separated state, which are detected by the load detecting unit.
摘要翻译：本发明可以提供能够高精度地确定其自身寿命的定影装置，以及使用该定影装置的图像形成装置。为了实现这一点，定影装置包括夹持部可分离的定影单元，驱动定影单元的定影驱动电机，检测作用在定影驱动电机上的负载的负载检测单元和确定寿命的确定单元基于负载检测单元检测到的固定单元处于压接状态时的负荷与固定单元处于分离状态的负载之间的差异，确定单元。

2. 发明申请

US20110274450A1 IMAGE FORMING APPARATUS CAPABLE OF DETECTING CONTACT FUSION, AND RELAY CONTROL APPARATUS 有权
标题翻译：检测接触熔断的图像形成装置和继电器控制装置
公开(公告)号：US20110274450A1
公开(公告)日：2011-11-10
申请号：US13098730
申请日：2011-05-02
申请人： Eijiro ATARASHI
发明人： Eijiro ATARASHI
IPC分类号： G03G15/00
CPC分类号： G03G15/205 , G03G15/2039 , G03G15/55 , G03G15/80 , G03G21/1685 , G03G2215/2032 , G03G2221/1639
摘要： An image forming apparatus which can individually detect contact fusion of relays in a circuit configuration in which the relays are connected to respective both ends of a fixing heater. A first relay and a second relay are each connected between a power source and the fixing heater. The presence or absence of an input voltage to the fixing heater is detected on paths from the first relay to the fixing heater and from the second relay to the fixing heater. When the input voltage is detected in a state in which the first relay is on and the second relay is off, it is determined that the second relay has failed. When the input voltage is detected in a state in which the first relay is off and the second relay is on, it is determined that the first relay has failed.
摘要翻译：一种图像形成装置，其可以单独地检测在电路配置中的继电器的接触融合，其中继电器连接到定影加热器的相应两端。第一继电器和第二继电器各自连接在电源和定影加热器之间。在从第一继电器到定影加热器以及从第二继电器到定影加热器的路径上检测到对定影加热器的输入电压的存在或不存在。当在第一继电器接通状态和第二继电器断开的状态下检测到输入电压时，确定第二继电器发生故障。当在第一继电器断开并且第二继电器接通的状态下检测到输入电压时，确定第一继电器发生故障。

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