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    • 5. 发明授权
    • Image forming apparatus with developer detector
    • 具有显影剂检测器的图像形成装置
    • US06850715B2
    • 2005-02-01
    • US09799074
    • 2001-03-06
    • Shigeharu Maehara
    • Shigeharu Maehara
    • G03G15/08
    • G03G15/0896G03G2221/1823
    • An image forming apparatus in which printing with a developer whose lifetime has been exceeded can be prevented to avoid unstable printing, and an image forming apparatus in which erroneous insertion of a developer supply container can be prevented from occurring are is provided. An image forming apparatus has an apparatus body having an image forming unit, and a developer supply container which is detachably attached to the image forming unit to supply a developer in accordance with image formation. An IC chip having a nonvolatile memory for storing information relating to the developer supply container is disposed in the developer supply container. Processing means having a function of writing predetermined information into the nonvolatile memory is disposed in the apparatus body.
    • 提供了一种图像形成装置,其中可以防止用超过寿命的显影剂进行打印以避免打印不稳定,并且可以防止可以防止显影剂供应容器发生错误插入的图像形成装置。 图像形成装置具有具有图像形成单元的装置主体和可拆卸地附接到图像形成单元以根据图像形成来提供显影剂的显影剂供给容器。 具有用于存储与显影剂供应容器相关的信息的非易失性存储器的IC芯片设置在显影剂供应容器中。 具有将预定信息写入非易失性存储器的功能的处理装置设置在装置主体中。
    • 6. 发明授权
    • Copy paper delivery timing control device
    • 复印送纸定时控制装置
    • US4783682A
    • 1988-11-08
    • US835743
    • 1986-03-03
    • Shigeharu Maehara
    • Shigeharu Maehara
    • G03G15/041G03B27/34G03B27/52G03G15/00G03G21/14
    • G03G15/50G03G15/6564G03G2215/00405G03G2215/00556G03G2215/00599
    • Disclosed is a copy paper delivery-timing control device which includes the following: a home position sensor that detects the home position of the original scanner; a pulse-generator for generating a specific number of pulses corresponding to the travelling distance of the scanner; a counter that activates counting of a specific number of pulses when the scanner passes through its home position; a timer for activating counting as soon as the value of the counter exactly matches a specific value denoting the tip position of the original; a device for starting transfer of copy paper to the transference position as soon as the timer fully counts up the predetermined time; and a control device for activating the timer when the "1-set/2-copy" mode is entered for continuously copying both the left half and the right half of the original on individual copying papers. In this mode, the timing for activating the timer is set when the value of the counter exactly matches the value corresponding to the tip position of the right half of the original before eventually copying the right half of the original.
    • 公开了一种复印纸传送定时控制装置,其包括:检测原稿扫描器的原始位置的原位传感器; 脉冲发生器,用于产生与扫描器的移动距离对应的特定数量的脉冲; 计数器,当扫描仪通过其原始位置时,激活特定数量脉冲的计数; 计数器一旦计数器的值与表示原件的尖端位置的特定值完全匹配就激活计数; 一旦定时器完全计数预定时间,就开始将复印纸传送到转移位置的装置; 以及用于在输入“1组/ 2复制”模式时激活定时器的控制装置,用于在各个复印纸上连续复制原稿的左半部分和右半部分。 在该模式下,当计数器的值与最初复制原始图像的右半部分之前的原始图像的右半部分的尖端位置对应的值完全匹配时,设置激活定时器的定时。
    • 7. 发明授权
    • Image forming apparatus with expendable member and random number generator
    • 具有消耗件和随机数发生器的成像装置
    • US06266492B1
    • 2001-07-24
    • US09604971
    • 2000-06-28
    • Shigeharu Maehara
    • Shigeharu Maehara
    • G03G1500
    • G03G15/0863G03G15/0855G03G15/0865
    • An object of the invention is to provide an image forming apparatus capable of judging whether an expendable member such as a toner box mounted thereto is proper or not without reading all of specific information previously stored in a storing section of the expendable member. The image forming apparatus comprises a toner box removably mounted to a main body thereof, having an IC chip including a memory for storing the information specific to the toner box, and a CPU for judging whether a toner box mounted thereto is proper for the image forming apparatus or not. When a proper toner box is mounted to the main box for the first time, a random number is generated and stored in the memory of the IC chip and a memory of the main body, to carry out subsequent judgements of whether a toner box is proper or not using the random number.
    • 本发明的目的是提供一种图像形成装置,其能够判断一次性装置如安装在其上的一个可拆卸部件是否适当,而不必读取先前存储在消耗部件的存储部分中的特定信息。 图像形成装置包括可拆卸地安装到其主体的调色剂盒,具有包括用于存储特定于调色剂盒的信息的存储器的IC芯片和用于判断安装在其上的调色剂盒是否适于成像的CPU 装置与否 当第一次将适当的调色剂盒安装到主箱时,产生随机数并将其存储在IC芯片的存储器和主体的存储器中,以便随后判断调色剂盒是否适当 或不使用随机数。
    • 10. 发明授权
    • Fixing device having temperature control means
    • 具有温度控制装置的固定装置
    • US5966562A
    • 1999-10-12
    • US120208
    • 1998-07-21
    • Shigeharu Maehara
    • Shigeharu Maehara
    • G03G21/00G03G15/20G05D23/19G05F1/45
    • G05D23/1913G03G15/2039H02M2005/2937
    • Feature is a fixing device equipped in an image forming device enabling reduction of electronic noise and preventing hot-offset and fixing disorder. The fixing device includes a rotatable fixing roll, a heater for heating the fixing roll, a temperature detector for detecting the surface temperature of the fixing roll, and temperature control circuitry. The temperature control circuitry is for controlling the fixing roll surface to maintain a predetermined temperature by supplying a predetermined electric power to the heater, wherein the temperature of the fixing roll during continuous image forming operation is detected periodically by the temperature detector, and in correspondence to the difference between a fixed reference temperature and the detected temperature, controlling the electric power quantity to be supplied to the heater during a cycle by increasing or decreasing a half-wave unit cycle number of the commercial power source.
    • 特征是配备在图像形成装置中的固定装置,能够减少电子噪声并防止热偏移和定影障碍。 定影装置包括可旋转定影辊,用于加热定影辊的加热器,用于检测定影辊的表面温度的温度检测器和温度控制电路。 温度控制电路用于通过向加热器提供预定的电力来控制定影辊表面以保持预定温度,其中在连续成像操作期间定影辊的温度由温度检测器周期性地检测,并且对应于 固定参考温度与检测温度之间的差异,通过增加或减少商用电源的半波单位周期数来控制在循环期间提供给加热器的电力量。