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    • 21. 发明授权
    • Power assisted wheelchair
    • 助力轮椅
    • US06354390B1
    • 2002-03-12
    • US09046193
    • 1998-03-23
    • Atsushi UchiyamaHiroaki Ogata
    • Atsushi UchiyamaHiroaki Ogata
    • B60K100
    • A61G5/045A61G5/048A61G5/1054A61G2203/14A61G2203/38B60K7/0007B60Y2200/84Y10S180/907
    • An electric power assisted, manually operated vehicle such as a wheelchair. A force sensor senses the manual input force and the power assist is generated in response to the sensed input force. A number of embodiments are disclosed wherein the amount of assist is varied in response to running conditions and/or operator conditions so as to improve the performance. In many of these embodiments, the assist is greater at low speeds and is held constant at higher speeds and then decreased as the speed exceeds a predetermined high speed. In some of these embodiments, a regenerative braking is also applied in the event the vehicle speed becomes excessive. Also, the null or dead band range of the sensor is adjusted so as to provide a wider range when stationary than when running. This decreases sensitivity for startup and yet provides good response during running.
    • 电动辅助的手动车辆,如轮椅。 力传感器感测手动输入力,并且响应于感测的输入力而产生动力辅助。 公开了多个实施例,其中响应于运行条件和/或操作者条件改变辅助量以便改善性能。 在这些实施例的许多实施例中,辅助在低速下更大并且在较高速度下保持恒定,然后随着速度超过预定高速度而减小。 在这些实施例的一些中,在车辆速度变得过大的情况下也应用再生制动。 此外,调节传感器的无效或死区范围,以便在静止时提供比运行时更宽的范围。 这降低了启动的灵敏度,并且在运行期间提供了良好的响应。
    • 22. 发明授权
    • Control device for direct current electric motor
    • 直流电动机控制装置
    • US5708343A
    • 1998-01-13
    • US702620
    • 1996-10-29
    • Nobuo HaraHiroaki OgataMasaya Suenari
    • Nobuo HaraHiroaki OgataMasaya Suenari
    • B62M6/45H02P7/29H03K17/082H02P7/06H02P3/08
    • B62M6/45H02P7/29H03K17/0822H02P2205/01
    • A device includes an FET 206 interposed between one end of a motor 201 and a positive electrode of a battery EB; a diode 203 for circulating an electric current so as to flow through the motor 201 after the switching means is turned off, the electric current is the same as that which has flown through the motor 201 before the switch 220 is turned off; a shunt 203a, differential amplifier 203b, and a low-pass filter 203c as means for detecting a value of an electric current flowing to the motor 210; and a controller 250 for turning on and off the switching means by the PWM control, so that the value of the electric current detected by the current detection means coincides with a target value. The controller 250 sets a very small value as the target value when the motor is rotated by inertia thereof, and supplying the electric current of the small target value to the motor 201. As a result, it is possible to protect the FET for actuating the motor in an auxiliary motor-equipped bicycle without addition of structural elements at a low cost.
    • PCT No.PCT / JP95 / 02651 Sec。 371日期1996年10月29日第 102(e)日期1996年10月29日PCT 1995年12月25日PCT公布。 公开号WO96 / 20529 日期:1996年7月4日装置包括:插入在电动机201的一端和电池EB的正极之间的FET206; 用于在切换装置关闭之后循环电流以流过电动机201的二极管203,在开关220断开之前,电流与已经流过电动机201的电流相同; 分路器203a,差分放大器203b和低通滤波器203c,作为检测流向电动机210的电流的值的装置; 以及用于通过PWM控制来接通和断开开关装置的控制器250,使得由电流检测装置检测的电流值与目标值一致。 当电动机通过其惯性旋转时,控制器250将非常小的值设置为目标值,并将小目标值的电流提供给电动机201.结果,可以保护用于致动 电动机在辅助电动机配备的自行车中,而不以低成本添加结构元件。
    • 23. 发明申请
    • COLOR IMAGE FORMING APPARATUS, AND PROGRAM AND METHOD OF CONTROLLING A COLOR IMAGE FORMING APPARATUS
    • 彩色图像形成装置,以及控制彩色图像形成装置的程序和方法
    • US20080317492A1
    • 2008-12-25
    • US12197815
    • 2008-08-25
    • Hajime SugayaHiroaki Ogata
    • Hajime SugayaHiroaki Ogata
    • G03G15/00
    • G03G15/0194G03G15/0136
    • In a color image forming apparatus, a color mode is switched from a full color mode to a single color mode as follows. When the length of an image of a last page in the full color mode is less than the distance from a first-transferring position of a most downstream image forming station to a second-transferring position, if the time interval from arrival of the trailing end of an image of a page immediately previous to the last page at the second-transferring position to arrival of the leading end of the image of the last page at the second-transferring position is longer than the time needed to separate color image forming stations from the second image carrying medium, then the separating operation is started when the trail end of the image of the page immediately previous to the last page in the full color mode reaches the second-transferring position.
    • 在彩色图像形成装置中,颜色模式如下从全色模式切换到单色模式。 当全色模式中的最后一页的图像的长度小于从最下游图像形成站的第一传送位置到第二传送位置的距离时,如果从尾端到达的时间间隔 在第二转印位置处的最后一页的最后一页之前的页面的图像比第二转印位置处的最后一页的图像的前端的到达更长于将彩色图像形成站从 第二图像承载介质,则当在全色模式中紧接在最后一页之前的页面的图像的尾端到达第二传送位置时,开始分离操作。
    • 28. 发明授权
    • Wheel chair with auxiliary power
    • 带辅助动力的轮椅
    • US06230831B1
    • 2001-05-15
    • US09230008
    • 1999-01-13
    • Hiroaki OgataKenji Tokura
    • Hiroaki OgataKenji Tokura
    • B60K100
    • A61G5/045A61G5/048A61G5/1054B60L11/1805B60Y2200/84Y02T10/7005Y10S180/907
    • A power-assisted wheelchair (1) having an electric motor (32), a potentiometer (27) as means for detecting human power applied to wheels (2), and a controller (31) as means for controlling the electric motor (32) according to the detected human power so as to set the time-attenuation rate of the assist power to be greater as the human power is smaller, and to be smaller as the human power is greater. Therefore, the coasting amount of the wheelchair (1) for small indoor movements for example is restricted to a small value. As a result, small indoor movements with a small turning radius are made possible, a sufficient coasting amount is secured for an outdoor running. Therefore, along with the possibility of a comfortable running on a level road, a steep uphill running is made easy, and the physical effort of the rider is alleviated.
    • 具有电动机(32)的动力辅助轮椅(1),作为用于检测车轮(2)的人力的装置的电位器(27))和作为用于控制电动机(32)的装置的控制器(31) 根据检测到的人力,以便随着人力较小而将辅助力的时间衰减率设定得更大,并且随着人力的增加而变小。因此,轮椅(1)的滑行量 )的小室内运动例如被限制在一个小的价值。 结果,可以实现具有小转弯半径的小型室内运动,为室外行驶确保足够的行驶量。 因此,伴随着平坦道路的舒适运行,陡峭的上坡运行变得容易,减轻了骑手的身体力量。
    • 30. 发明授权
    • Color image forming apparatus, and program and method of controlling a color image forming apparatus
    • 彩色图像形成装置,以及彩色图像形成装置的控制程序和方法
    • US07542690B2
    • 2009-06-02
    • US12197815
    • 2008-08-25
    • Hajime SugayaHiroaki Ogata
    • Hajime SugayaHiroaki Ogata
    • G03G15/16
    • G03G15/0194G03G15/0136
    • In a color image forming apparatus, a color mode is switched from a full color mode to a single color mode as follows. When the length of an image of a last page in the full color mode is less than the distance from a first-transferring position of a most downstream image forming station to a second-transferring position, if the time interval from arrival of the trailing end of an image of a page immediately previous to the last page at the second-transferring position to arrival of the leading end of the image of the last page at the second-transferring position is longer than the time needed to separate color image forming stations from the second image carrying medium, then the separating operation is started when the trail end of the image of the page immediately previous to the last page in the full color mode reaches the second-transferring position.
    • 在彩色图像形成装置中,颜色模式如下从全色模式切换到单色模式。 当全色模式中的最后一页的图像的长度小于从最下游图像形成站的第一传送位置到第二传送位置的距离时,如果从尾端到达的时间间隔 在第二转印位置处的最后一页的最后一页之前的页面的图像比第二转印位置处的最后一页的图像的前端的到达更长于将彩色图像形成站从 第二图像承载介质,则当在全色模式中紧接在最后一页之前的页面的图像的尾端到达第二传送位置时,开始分离操作。