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公开(公告)号：US6163100A
公开(公告)日：2000-12-19
申请号：US216945
申请日：1998-12-21
摘要： A microcomputer outputs a driving frequency signal to an oscillator circuit and the oscillator circuit oscillates at a driving frequency designated by the microcomputer. A switching control circuit outputs switching signals to an A-phase amplifier circuit and to a B-phase amplifier circuit at a predetermined timing. The A-phase amplifier circuit and the B-phase amplifier circuit each convert a DC voltage supplied by a voltage control circuit to an AC voltage and supply the same to two piezoelectric bodies of an ultrasonic motor. Due to the AC voltage being supplied to each of the two piezoelectric bodies, the ultrasonic motor is driven. At the start time of driving the ultrasonic motor, by gradually increasing the voltage level of the DC voltage outputted from the voltage control circuit and also gradually increasing the voltage level of a driving voltage to be supplied to the piezoelectric body of the ultrasonic motor, a stator and a rotor of the ultrasonic motor are gradually separated from each other. Further, in a case in which the voltage has been increased to a predetermined voltage level, the driving frequency is gradually lowered to increase the number of revolutions of the motor, thereby making it possible to lessen the vibration of the ultrasonic motor at the start time of driving. As a result, the generation of an audible sound can be prevented.
摘要翻译： 微型计算机向振荡电路输出驱动频率信号，并且振荡器电路以由微计算机指定的驱动频率振荡。 开关控制电路以预定的定时将开关信号输出到A相放大器电路和B相放大器电路。 A相放大电路和B相放大电路将由电压控制电路提供的直流电压转换为交流电压，并将其提供给超声波马达的两个压电体。 由于向两个压电体中的每一个供给交流电压，所以驱动超声波马达。 在驱动超声波电动机的开始时，通过逐渐增加从电压控制电路输出的直流电压的电压水平，并且逐渐增加提供给超声波电动机的压电体的驱动电压的电压电平， 定子和超声波马达的转子逐渐分离。 此外，在电压已经增加到预定电压电平的情况下，驱动频率逐渐降低以增加电动机的转数，从而可以在起始时间减小超声波电动机的振动 的驾驶 结果，可以防止产生可听见的声音。
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公开(公告)号：US06215223B1
公开(公告)日：2001-04-10
申请号：US09217833
申请日：1998-12-22
IPC分类号： H02N200
摘要： When a motor is driven by a signal transmitted due to a switch turned on, a count value is added. When the motor is stopped, the count value is subtracted. When the count value is an upper limit value, the motor is continuously driven until the switch is changed to an off state. Subsequently, until the count value comes to a lower limit value, the motor is maintained in a stopped state even if the switch of the motor is changed to an on state. For this reason, generation of heat in the motor can be prevented.
摘要翻译： 当电机由于开关导通而发送的信号驱动时，增加计数值。 当电机停止时，减去计数值。 当计数值为上限值时，马达被持续驱动，直到开关变为关闭状态。 随后，直到计数值达到下限值，即使电动机的开关变为接通状态，电动机也保持在停止状态。 因此，能够防止马达的发热。
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公开(公告)号：US20070119100A1
公开(公告)日：2007-05-31
申请号：US11604771
申请日：2006-11-28
申请人： Masao Nakada , Daisuke Mukai , Hiroyuki Furukoshi
发明人： Masao Nakada , Daisuke Mukai , Hiroyuki Furukoshi
IPC分类号： E05F11/44
CPC分类号： E05F15/695 , E05Y2400/34 , E05Y2900/55
摘要： A control apparatus drives a motor to move a window glass to an opening end locking position beyond a preset stop position and thereby to forcefully stop the window glass at the opening end locking position when the control apparatus senses that an operational switch is continuously operated by a user for a predetermined time period or longer to perform the opening operation of the window glass based on an operational command signal outputted from the operational switch. The control apparatus then resets the preset stop position based on an actual stop position of the window glass at the opening end locking position in a preset stop position resetting operation.
摘要翻译： 控制装置驱动电动机将窗玻璃移动到超过预设停止位置的开口端锁定位置，从而当控制装置感测到操作开关被连续操作时强制地将窗玻璃停在开口端锁定位置 用户基于从操作开关输出的操作命令信号预定时间段或更长时间来执行窗玻璃的打开操作。 然后，控制装置在预设的停止位置复位操作中基于窗玻璃在开启端锁定位置的实际停止位置复位预设停止位置。
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4.发明授权Ultrasonic motor drive apparatus having surge and oscillation suppressing member 失效具有浪涌和振荡抑制部件的超声波马达驱动装置公开(公告)号：US06278220B1
公开(公告)日：2001-08-21
申请号：US09511682
申请日：2000-02-23
IPC分类号： H02N200
摘要： An ultrasonic motor drive apparatus includes a transformer having a primary coil and a secondary coil which drives a piezoelectric body of an ultrasonic motor. One end and the other end of the primary coil are connected to the drains of MOSFETS. The gates of the MOSFETs are connected to receive switching signals to alternately turn on and off electrical currents which flow in the primary coil. The sources of the MOSFETs are connected to the ground through ferrite beads, respectively. The ferrite bead generates a counter electromotive voltage so that the surge voltage which develops on the drain of the MOSFET at the time of turning off of the MOSFET is suppressed and high frequency oscillations are suppressed.
摘要翻译： 超声波马达驱动装置包括具有初级线圈的变压器和驱动超声波马达的压电体的次级线圈。 初级线圈的一端和另一端连接到MOSFET的漏极。 MOSFET的栅极被连接以接收开关信号以交替地接通和关断在初级线圈中流动的电流。 MOSFET的源极分别通过铁氧体磁珠连接到地面。 铁氧体磁珠产生反电动势，从而抑制在MOSFET截止时在MOSFET的漏极上产生的浪涌电压，并抑制高频振荡。
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5.发明授权Windshield wiper assembly and synchronous signal generating device for windshield wiper 失效挡风玻璃刮水器组件和挡风玻璃刮水器同步信号发生装置
公开(公告)号：US5256950A
公开(公告)日：1993-10-26
申请号：US738256
申请日：1991-07-30
IPC分类号： B60S1/08
CPC分类号： B60S1/0814 , Y10S318/02
摘要： A windshield wiper assembly which effects relatively smooth wiping motions as a pair of wiper blades are moved independently of each other such that the wiper blades do not interfere with each other. One wiper blade moving in a direction of approaching an overlapping area is stopped when that wiper blade has preceded the other wiper blade moving in a direction of moving away from the overlapping area by a first predetermined value or more. Meanwhile, the wiper blade moving in the direction of moving away from the overlapping area is stopped when that wiper blade has preceded the wiper blade moving in the direction of approaching the overlapping area by a second predetermined value or more exceeding the first predetermined value.
摘要翻译： 实现作为一对刮水片的相对平滑擦拭运动的挡风玻璃刮水器组件彼此独立地移动，使得刮水片不彼此干涉。 当刮水片在另一个刮片前方移动时，停止沿接近重叠区域的方向移动的一个刮水片，所述另一个刮片在远离重叠区域的方向上移动了第一预定值或更多。 同时，当刮水片在擦拭片在接近重叠区域的方向移动超过第一预定值的第二预定值或更多的位置时，刮水片在远离重叠区域移动的方向上移动的刮水片停止。
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公开(公告)号：US07573222B2
公开(公告)日：2009-08-11
申请号：US11455852
申请日：2006-06-20
IPC分类号： G05D23/00
CPC分类号： H02P29/60 , E05F15/40 , E05Y2800/254 , E05Y2800/414 , E05Y2900/50 , E05Y2900/55
摘要： A motor control apparatus for controlling an operation of an electric motor has an operational temperature estimator and an operation controller. The operational temperature estimator estimates an estimated temperature of the electric motor. The operation controller disables to start the operation of the electric motor while the estimated temperature is within a predetermined operation start disable range, and enables to continue the operation of the electric motor when the estimated temperature increases into the operation start disable range.
摘要翻译： 用于控制电动机的操作的电动机控制装置具有操作温度估计器和操作控制器。 运行温度估计器估计电动机的估计温度。 当估计的温度在预定的操作开始禁止范围内时，操作控制器禁止启动电动机的操作，并且当估计的温度升高到操作开始禁止范围时，能够继续电动机的操作。
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7.发明授权Drive circuit for an ultrasonic motor having noise cancellation metals and method for using same 失效具有噪声消除金属的超声波马达的驱动电路及其使用方法
公开(公告)号：US5475288A
公开(公告)日：1995-12-12
申请号：US162298
申请日：1993-12-07
申请人： Hiroyuki Furukoshi
发明人： Hiroyuki Furukoshi
摘要： A drive circuit for driving an ultrasonic motor which maintains frequencies of drive signals for the ultrasonic motor within a drive frequency band. Generation of audible sound is thereby prevented. Further, it is possible to drive an ultrasonic motor in which irregularity of a waveform of a detection signal does not occur in an audible sound generating band.
摘要翻译： 一种用于驱动超声波马达的驱动电路，其将超声波马达的驱动信号的频率维持在驱动频带内。 从而防止产生可听见的声音。 此外，可以驱动在可听声音产生频带中不发生检测信号的波形不均匀的超声波马达。
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公开(公告)号：US20060290310A1
公开(公告)日：2006-12-28
申请号：US11455852
申请日：2006-06-20
IPC分类号： H02P1/04
CPC分类号： H02P29/60 , E05F15/40 , E05Y2800/254 , E05Y2800/414 , E05Y2900/50 , E05Y2900/55
摘要： A motor control apparatus for controlling an operation of an electric motor has an operational temperature estimator and an operation controller. The operational temperature estimator estimates an estimated temperature of the electric motor. The operation controller disables to start the operation of the electric motor while the estimated temperature is within a predetermined operation start disable range, and enables to continue the operation of the electric motor when the estimated temperature increases into the operation start disable range.
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公开(公告)号：US06201338B1
公开(公告)日：2001-03-13
申请号：US09215606
申请日：1998-12-17
申请人： Shinichi Naito , Hiroyuki Furukoshi
发明人： Shinichi Naito , Hiroyuki Furukoshi
IPC分类号： H01L4104
CPC分类号： H02N2/163
摘要： An ultrasonic motor includes a rotor and a rotor accommodated in a housing. The stator includes a piezoelectric element and the housing is secured to a base by screws. The rotor contacts the stator. The piezoelectric element vibrates the stator to rotate the rotor. An insulation plate is located between the stator and the base. An insulation washer is located between the stator and each screw. A rotary shaft is rotatably supported by the housing. The rotary shaft is coupled to the rotor with an insulation collar in between. Therefore, the stator and the rotor are electrically insulated from the housing and the rotary shaft. This arrangement reduces electromagnetic noise, which interferes with other electric devices, such as radios.
摘要翻译： 超声波马达包括转子和容纳在壳体中的转子。 定子包括压电元件，并且壳体通过螺钉固定到基座。 转子接触定子。 压电元件使定子振动以使转子旋转。 绝缘板位于定子和基座之间。 绝缘垫圈位于定子和每个螺钉之间。 旋转轴由壳体可旋转地支撑。 旋转轴在转子之间连接有绝缘套环。 因此，定子和转子与壳体和旋转轴电绝缘。 这种布置减少了电磁噪声，其干扰诸如无线电的其他电气设备。
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公开(公告)号：US5545954A
公开(公告)日：1996-08-13
申请号：US388406
申请日：1995-02-14
申请人： Hiroyuki Furukoshi
发明人： Hiroyuki Furukoshi
CPC分类号： H02N2/142
摘要： A drive circuit for an ultrasonic motor and, more particularly, a drive circuit for an ultrasonic motor which supplies the ultrasonic motor with drive signals of a predetermined frequency and controls the frequency of the drive signals to drive the ultrasonic motor is disclosed. The disclosed drive circuit for an ultrasonic motor drives an ultrasonic motor without generating a remarkable audible sound, even when a detection signal exceeds a predetermined level within a very short time due to the generation of an audible sound in the ultrasonic motor.
摘要翻译： 公开了一种用于超声波马达的驱动电路，更具体地说，涉及一种超声波马达的驱动电路，其向超声波马达提供预定频率的驱动信号并控制驱动信号的频率以驱动超声马达。 所公开的超声波马达的驱动电路即使在超声波马达中产生可听见的声音的非常短的时间内检测信号超过预定值时也驱动超声波马达而不产生显着的可听见的声音。
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