公开(公告)号：US20050051715A1

公开(公告)日：2005-03-10

申请号：US10911640

申请日：2004-08-05

申请人： Norikazu Okada ,  Hirohisa Warita ,  Hiroki Nakamura ,  Kazufumi Oki

发明人： Norikazu Okada ,  Hirohisa Warita ,  Hiroki Nakamura ,  Kazufumi Oki

IPC分类号： G01D5/36 ,  G01D5/34 ,  G01D5/347

CPC分类号： G01D5/34 ,  G01D5/34715 ,  G01D5/34746

摘要： An optical encoder comprising a light-receiving part having photodiodes equal in number to the common multiplier of a number of slits facing the light-receiving part and a number of movement information signals. Output terminals of the photodiodes are connected so that the movement information signals are respectively obtained by adding output signals of the plurality of photodiodes out of the photodiodes equal in number to the common multiplier. The twelve photodiodes are balancedly arranged corresponding to three slits and a light-receiving area of each photodiode is made smaller by subdiving each photodiode. The optical encoder suppress difference, distortion and variance of the movement information signals or the like obtained from the light-receiving part with the result that accurate movement information is obtained.

摘要翻译： 一种光学编码器，包括具有与面对光接收部分的多个狭缝的公共倍数相等的光电二极管的光接收部分和多个移动信息信号。 连接光电二极管的输出端子，以便分别通过将多个光电二极管的输出信号从与公共倍数相等的光电二极管相加而分别得到运动信息信号。 对应于三个狭缝平行布置十二个光电二极管，通过细分每个光电二极管使每个光电二极管的光接收面积变小。 光学编码器抑制从光接收部获得的移动信息信号的差异，失真和方差，结果获得准确的移动信息。

公开(公告)号：US07223963B2

公开(公告)日：2007-05-29

申请号：US10911640

申请日：2004-08-05

申请人： Norikazu Okada ,  Hirohisa Warita ,  Hiroki Nakamura ,  Kazufumi Oki

发明人： Norikazu Okada ,  Hirohisa Warita ,  Hiroki Nakamura ,  Kazufumi Oki

IPC分类号： G01D5/34 ,  G01D5/36 ,  H03M1/22 ,  G01B11/14

CPC分类号： G01D5/34 ,  G01D5/34715 ,  G01D5/34746

摘要： An optical encoder comprising a light-receiving part having photodiodes equal in number to the common multiplier of a number of slits facing the light-receiving part and a number of movement information signals. Output terminals of the photodiodes are connected so that the movement information signals are respectively obtained by adding output signals of the plurality of photodiodes out of the photodiodes equal in number to the common multiplier. The twelve photodiodes are balancedly arranged corresponding to three slits and a light-receiving area of each photodiode is made smaller by subdiving each photodiode. The optical encoder suppress difference, distortion and variance of the movement information signals or the like obtained from the light-receiving part with the result that accurate movement information is obtained.

摘要翻译： 一种光学编码器，包括具有与面对光接收部分的多个狭缝的公共倍数相等的光电二极管的光接收部分和多个移动信息信号。 连接光电二极管的输出端子，以便分别通过将多个光电二极管的输出信号从与公共倍数相等的光电二极管相加而分别得到运动信息信号。 对应于三个狭缝平行布置十二个光电二极管，通过细分每个光电二极管使每个光电二极管的光接收面积变小。 光学编码器抑制从光接收部获得的移动信息信号的差异，失真和方差，结果获得准确的移动信息。

公开(公告)号：US11025793B2

公开(公告)日：2021-06-01

申请号：US16751475

申请日：2020-01-24

申请人： Junpei Hosoya ,  Tomoyuki Yamashita ,  Norikazu Okada ,  Takaaki Hirasawa ,  Shunta Yamahori

发明人： Junpei Hosoya ,  Tomoyuki Yamashita ,  Norikazu Okada ,  Takaaki Hirasawa ,  Shunta Yamahori

IPC分类号： H04N1/00

摘要： A power supply controlling apparatus includes a first power supply unit that supplies DC power to a load using power supplied from a commercial power supply, a power detecting unit that detects an input voltage and an input current input from the commercial power supply to the first power supply unit, and a control unit that controls the input current to be a constant current having an upper limit current value in response to the input voltage by controlling DC power supplied to the load from the first power supply unit based on the input voltage and the input current which are detected by the power detecting unit.

公开(公告)号：US07945181B2

公开(公告)日：2011-05-17

申请号：US12382501

申请日：2009-03-18

申请人： Norikazu Okada

发明人： Norikazu Okada

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2025

摘要： In a fixing device, a fixing unit fixes a toner image transferred onto a recording medium by a heating target unit heated by a plurality of heating units each of which is grouped as a first heating unit to which power is selectively supplied or a second heating unit to which power is supplied in priority to the first heating unit, and a supply control unit supplies power to a heating unit grouped as the second heating unit and selectively supplies power to a heating unit grouped as the first heating unit, among the heating units that heat the heating target unit of which detected temperature by a detecting unit is lower than a target temperature.

摘要翻译： 在定影装置中，固定单元通过加热对象单元固定转印到记录介质上的调色剂图像，所述加热对象单元由多个加热单元加热，每个加热单元被分组为供选择地供电的第一加热单元或第二加热单元 优先向第一加热单元提供电力，并且供电控制单元向被分组为第二加热单元的加热单元供电，并且在加热单元之间选择性地向被分组为第一加热单元的加热单元供电， 将检测单元的检测温度的加热对象单元加热到目标温度以下。

公开(公告)号：US07820957B2

公开(公告)日：2010-10-26

申请号：US12166996

申请日：2008-07-02

申请人： Tadamasa Kimura ,  Norikazu Okada

发明人： Tadamasa Kimura ,  Norikazu Okada

IPC分类号： G01D5/34 ,  H01L31/00

CPC分类号： G01D5/347 ,  G01D5/36

摘要： This optical encoder includes a light emitting section and a plurality of light receiving elements placed so as to be aligned in one direction in an area where a light beam from the light emitting section may reach. The moving object includes a light-ON section and a light-OFF section. The light receiving element detects movement of the moving object when the light-ON section and the light-OFF section of the moving object pass through a predetermined position corresponding to the light receiving element A light receiving signal processing section receives inputs of a plurality of light receiving signals with different phases from a plurality of the light receiving elements, performs signal processing including at least one signal processing among a logical operation processing, an addition processing, and a subtraction processing on a plurality of the light receiving signals, and outputs an output signal containing a plurality of signal components which are different in phase and different in signal level with respect to a predetermined threshold level.

摘要翻译： 该光学编码器包括发光部和多个光接收元件，放置成在来自发光部的光束可以到达的区域中沿一个方向排列。 移动物体包括导光部分和断电部分。 光接收元件当移动物体的光入射部分和光束断开部分通过与光接收元件A相对应的预定位置时，检测移动物体的移动。光接收信号处理部分接收多个光的输入 从多个光接收元件接收具有不同相位的信号，在对多个光接收信号进行逻辑运算处理，相加处理和减法处理之中执行包括至少一个信号处理的信号处理，并输出输出 信号包含相对于预定阈值电平的相位不同且信号电平不同的多个信号分量。

公开(公告)号：US20100225507A1

公开(公告)日：2010-09-09

申请号：US12712249

申请日：2010-02-25

申请人： Yasuyuki Shirasaka ,  Norikazu Okada

发明人： Yasuyuki Shirasaka ,  Norikazu Okada

IPC分类号： H03M5/02

CPC分类号： G01P3/489 ,  G01D5/36 ,  G01P13/045 ,  H03M5/20

摘要： A decoder device has a reference voltage generating section for outputting first and second threshold level signals, a first comparator for comparing a stair-stepped waveform input signal and the first threshold level signal to output a comparison result, a second comparator for comparing the input signal and the second threshold level signal to output a comparison result, and a logical operation section for performing a logical operation between output signals of the first and second comparators to output a signal decoded from the input signal. A threshold level represented by the first threshold level signal intersects a riser section of one stepped waveform out of two adjacent stepped waveforms in the input signal, and a threshold level represented by the second threshold level signal intersects a riser section of the other stepped waveform out of the two adjacent stepped waveforms of the stair-stepped waveform input signal.

摘要翻译： 解码器装置具有用于输出第一和第二阈值电平信号的参考电压产生部分，用于比较阶梯式波形输入信号和第一阈值电平信号以输出比较结果的第一比较器，用于比较输入信号 和第二阈值电平信号以输出比较结果，以及逻辑运算部分，用于在第一和第二比较器的输出信号之间执行逻辑运算，以输出从输入信号解码的信号。 由第一阈值电平信号表示的阈值电平与输入信号中的两个相邻阶梯波形中的一个阶梯波形的提升部分相交，并且由第二阈值电平信号表示的阈值电平与另一阶梯波形输出的提升部分相交 的台阶阶波形输入信号的两个相邻阶梯波形。

公开(公告)号：US20060159482A1

公开(公告)日：2006-07-20

申请号：US11311294

申请日：2005-12-20

申请人： Norikazu Okada

发明人： Norikazu Okada

IPC分类号： G03G15/00

CPC分类号： G03G15/5004 ,  G03G15/80

摘要： An image forming apparatus includes a cover, a switch that opens or closes in conjunction with the cover, a load unit, a load power supply device that supplies power to the load unit, a relay that passes power from the load power supply device to the load unit in conjunction with the switch, and a controller that detects opening or closing of the switch and controls the load power supply device according to a detection result. When opening of the switch is detected, the load power supply device is controlled to interrupt supplying power to the load unit until closing of the switch is detected.

摘要翻译： 图像形成装置包括盖，与盖一起打开或关闭的开关，负载单元，向负载单元供电的负载电源装置，将来自负载电源装置的电力传递到 负载单元与开关相结合，以及控制器，其检测开关的打开或关闭，并根据检测结果控制负载供电装置。 当检测到开关断开时，负载电源装置被控制以中断向负载单元供电，直到检测到开关闭合为止。

公开(公告)号：US20050230608A1

公开(公告)日：2005-10-20

申请号：US11104589

申请日：2005-04-13

申请人： Norikazu Okada

发明人： Norikazu Okada

IPC分类号： G01D5/36 ,  G01D5/34 ,  G01D5/347

CPC分类号： G01D5/34715

摘要： An optical encoder includes a mobile object having a plurality of aligned slits, a light-emitting portion for emitting light toward the mobile object, and a light-receiving portion 103 for receiving the light which has passed the mobile object. The light-receiving portion 103 produces an AC (Alternating Current) signal in an oscillation circuit 111 and outputs an input current, which is changed to an AC, from a light-emitting current output circuit 112 into the light-emitting portion.

摘要翻译： 光学编码器包括具有多个排列的狭缝的移动体，用于向移动体发射光的发光部，以及用于接收已经通过移动体的光的受光部103。 光接收部分103在振荡电路111中产生AC（交流）信号，并将改变为AC的输入电流从发光电流输出电路112输出到发光部分。

公开(公告)号：US20160344885A1

公开(公告)日：2016-11-24

申请号：US15154845

申请日：2016-05-13

申请人： Tomoyuki Yamashita ,  Atsuki Iwata ,  Takuma Kasai ,  Norikazu Okada ,  Homare Ehara ,  Tetsuya Yano ,  Toshimasa Aoki ,  Ryohta Kubokawa ,  Shuntaroh Nakayama ,  Takaaki Shirai

发明人： Tomoyuki Yamashita ,  Atsuki Iwata ,  Takuma Kasai ,  Norikazu Okada ,  Homare Ehara ,  Tetsuya Yano ,  Toshimasa Aoki ,  Ryohta Kubokawa ,  Shuntaroh Nakayama ,  Takaaki Shirai

IPC分类号： H04N1/00 ,  H02J7/00

CPC分类号： H04N1/00893 ,  H02J7/0029 ,  H02J7/0063 ,  H02J2007/0067 ,  H04N1/00899 ,  H04N2201/0094

摘要： An electric power supplying device includes a main power supply that supplies electric power to each component of an apparatus, an auxiliary power supply that supplies electric power to an assisted component in the apparatus, the assisted component requiring power supply during start-up time of the apparatus and having a whose start-up time being equal to or longer than a predetermined period of time, a discharging control circuit that controls the auxiliary power supply to cause the auxiliary power supply to output a voltage, the output voltage being lower than a voltage output by the main power supply and being equal to or more than a lower limit voltage of a voltage range that the assisted component is operable, and a power supply prevention circuit that prevents the auxiliary power supply from supplying power to a component other than the assisted component in the apparatus.

摘要翻译： 电力供给装置包括向装置的各部件供给电力的主电源，向该装置的辅助部件供给电力的辅助电源，辅助部件需要在启动时间内供电 装置，其启动时间等于或长于预定时间段;放电控制电路，其控制辅助电源以使辅助电源输出电压，输出电压低于电压 由主电源输出并且等于或大于辅助部件可操作的电压范围的下限电压;以及电源防止电路，其防止辅助电源向辅助部件以外的部件供电 装置中的组件。

公开(公告)号：US20130294794A1

公开(公告)日：2013-11-07

申请号：US13871569

申请日：2013-04-26

申请人： Yu YOSHIOKA ,  Norikazu Okada ,  Tetsuya Yano

发明人： Yu YOSHIOKA ,  Norikazu Okada ,  Tetsuya Yano

IPC分类号： G03G15/00

CPC分类号： G03G15/5083 ,  G03G15/2039 ,  G03G15/2042 ,  G03G15/5004

摘要： An image forming apparatus includes a heating unit, a storage unit, and a setting unit. The heating unit uses electric power and performs a heating operation in accordance with a print condition specified in a print job to thermally fix a developer onto a recording medium. The storage unit stores therein output priorities, which are determined for different print conditions based on power consumption in a heating operation, so as to be associated with their corresponding print conditions. In outputting a plurality of print jobs having different print conditions successively, the setting unit sets output order of the print jobs to be output in accordance with the output priorities.

摘要翻译： 图像形成装置包括加热单元，存储单元和设置单元。 加热单元使用电力并根据打印作业中指定的打印条件执行加热操作，以将显影剂热固定到记录介质上。 存储单元存储其中基于加热操作中的功耗而针对不同打印条件确定的输出优先级，以便与其相应的打印条件相关联。 在连续输出具有不同打印条件的多个打印作业时，设定单元根据输出优先级设定要输出的打印作业的输出顺序。