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1. 发明授权

US5300850A Vibration wave motor 失效
标题翻译：振动马达
公开(公告)号：US5300850A
公开(公告)日：1994-04-05
申请号：US827866
申请日：1992-01-30
申请人： Ichiro Okumura , Hitoshi Mukohjima , Takayuki Tsukimoto , Akio Atsuta , Koichi Ueda , Hajime Kanazawa
发明人： Ichiro Okumura , Hitoshi Mukohjima , Takayuki Tsukimoto , Akio Atsuta , Koichi Ueda , Hajime Kanazawa
IPC分类号： H01L41/09 , H02N2/16 , H01L41/08
CPC分类号： H02N2/163
摘要： A vibration wave device having a resilient member, and electro-mechanical energy conversion means for inducing a travelling vibration wave in the resilient member, the travelling vibration wave being used as a drive source, includes means provided on at least one member of the vibration wave device at a location integer times or approximately integer times 1/2 of the wavelength of a vibration wave which may produce noise and making the dynamic rigidity of the member non-uniform.
摘要翻译：具有弹性构件的振动波装置和用于在弹性构件中引起行进振动波的机电能量转换装置，所述行驶振动波用作驱动源，包括设置在振动波的至少一个构件上的装置装置在可能产生噪声并使构件的动态刚度不均匀的振动波的波长的整数倍或近似整数倍的位置处。

2. 发明授权

US5298829A Vibration wave driven motor 失效
标题翻译：振动波驱动电机
公开(公告)号：US5298829A
公开(公告)日：1994-03-29
申请号：US649902
申请日：1991-02-01
申请人： Takayuki Tsukimoto , Takashi Maeno , Hitoshi Mukohjima , Hajime Kanazawa , Shinichi Koreeda , Ichiro Chiba , Akio Atsuta
发明人： Takayuki Tsukimoto , Takashi Maeno , Hitoshi Mukohjima , Hajime Kanazawa , Shinichi Koreeda , Ichiro Chiba , Akio Atsuta
IPC分类号： H02N2/00 , H01L41/09 , H02N2/16 , H01L41/08
CPC分类号： H02N2/163
摘要： In a vibration wave driven motor wherein an AC electric field is applied to an electro-mechanical energy conversion element secured to an elastic member to thereby excite a plurality of standing waves differing in phase from each other in the elastic member and a travelling wave is formed in the elastic member by the combination of the standing waves, whereby a member which is in pressure contact with the elastic member and the elastic member are moved relative to each other by a frictional force, provision is made of means for making the contact pressure on the surface of contact between the elastic member and the member which is in pressure contact with the elastic member non-uniform, and means for making the dynamic rigidity of a vibration member non-uniform in an unnecessary vibration mode created by the means for making the contact pressure non-uniform, whereby the occurrence of noise is prevented by simple and inexpensive means.
摘要翻译：在振动波驱动电动机中，其中AC电场被施加到固定到弹性构件的机电能量转换元件，从而在弹性构件中激发相位彼此不同的多个驻波，形成行波在弹性构件中通过驻波的组合，由此与弹性构件和弹性构件压力接触的构件通过摩擦力相对于彼此移动，提供用于使接触压力上升的装置弹性构件与与弹性构件压力接触的构件之间的接触表面不均匀，以及用于使振动构件的动态刚度在由不可避免的振动模式产生的不必要的振动模式下产生的动态刚度的装置接触压力不均匀，从而通过简单廉价的方法防止了噪音的发生。

3. 发明授权

US07701116B2 Motor driving method, program therefor, and motor driving apparatus 有权
标题翻译：电机驱动方法，程序及电机驱动装置
公开(公告)号：US07701116B2
公开(公告)日：2010-04-20
申请号：US11554238
申请日：2006-10-30
申请人： Akio Atsuta
发明人： Akio Atsuta
IPC分类号： H02N2/06
CPC分类号： H02N2/026 , H02N2/008
摘要： Provided are a motor driving method, a program therefor, and a motor driving apparatus which can shorten starting time of a vibration wave motor. A driving circuit of the vibration wave motor includes a control unit. The control unit controls two-phase driving voltages applied to an electro-mechanical energy conversion element of the vibration wave motor. The control unit controls a phase difference between the two-phase driving voltages to drive a driven member at a predetermined speed in a fixed state of frequencies of the two-phase driving voltages. In this case, when the phase difference is set outside a predetermined range, the control unit changes the frequencies of the two-phase driving voltages.
摘要翻译：提供了一种电动机驱动方法及其程序，以及可以缩短振动波电动机的启动时间的电动机驱动装置。振动波马达的驱动电路包括控制单元。控制单元控制施加到振动波马达的机电能量转换元件的两相驱动电压。控制单元控制两相驱动电压之间的相位差，以在两相驱动电压的固定频率中以预定速度驱动从动构件。在这种情况下，当相位差设定在预定范围之外时，控制单元改变两相驱动电压的频率。

4. 发明授权

US07348544B2 Optical encoder with discontinuous optical grating 有权
标题翻译：具有不连续光栅的光学编码器
公开(公告)号：US07348544B2
公开(公告)日：2008-03-25
申请号：US11152412
申请日：2005-06-14
申请人： Akio Atsuta , Masahiko Igaki
发明人： Akio Atsuta , Masahiko Igaki
IPC分类号： G01D5/34
CPC分类号： G01D5/366
摘要： An optical encoder includes a light-emitting unit, a scale with a discontinuous part, and a plurality of light-receiving elements arranged in relationship to a pitch of the scale. In the optical encoder, a light beam from the light-emitting unit reflects off the scale, and is received at the light-receiving elements. As a result of the processing of signals from the light-receiving elements, the discontinuous part is detected and the origin detection can be achieved.
摘要翻译：光学编码器包括发光单元，具有不连续部分的刻度以及与刻度的间距相关地布置的多个光接收元件。在光学编码器中，来自发光单元的光束反射离开标尺，并被接收在光接收元件处。作为来自光接收元件的信号的处理的结果，检测不连续部分并且可以实现原点检测。

5. 发明授权

US07332708B2 Optical encoder 有权
标题翻译：光学编码器
公开(公告)号：US07332708B2
公开(公告)日：2008-02-19
申请号：US11696075
申请日：2007-04-03
申请人： Akio Atsuta , Masahiko Igaki
发明人： Akio Atsuta , Masahiko Igaki
IPC分类号： G01D5/34
CPC分类号： G01D5/34715
摘要： In an optical encoder, a plurality of light sources is controlled on and off so as to use light rays to irradiate an optical grating of a scale from a plurality of different directions. The light rays are received by a plurality of photoreceptor elements. Operations are performed using signals output from the photoreceptor elements. Accordingly, the relative position between the photoreceptor elements and the scale is detected precisely.
摘要翻译：在光学编码器中，多个光源被控制开和关，以便使用光线从多个不同方向照射刻度的光栅。光线被多个感光元件接收。使用从感光体元件输出的信号进行操作。因此，精确地检测感光元件与刻度之间的相对位置。

6. 发明授权

US07184914B2 Sensor signal processor 有权
标题翻译：传感器信号处理器
公开(公告)号：US07184914B2
公开(公告)日：2007-02-27
申请号：US11457355
申请日：2006-07-13
申请人： Akio Atsuta , Masahiko Igaki
发明人： Akio Atsuta , Masahiko Igaki
IPC分类号： G01B7/14 , G01R31/00
CPC分类号： G01D5/24409
摘要： A sensor signal processor includes a scale having optically or magnetically fine divisions; a detection sensor that moves with respect to the scale and that is provided in association with the divisions of the scale; and a position detecting unit for calculating positional information by using a counter value of digital pulse signals generated from the outputs from the detection sensor and analog signals generated from the outputs from the detection sensor. The sensor signal processor yields the positional information by using both the digital pulse signals and the analog signals.
摘要翻译：传感器信号处理器包括具有光学或磁性细分的刻度; 检测传感器，其相对于刻度尺移动并且与刻度尺的划分相关联地设置; 以及位置检测单元，用于通过使用从检测传感器的输出产生的数字脉冲信号的计数器值和从检测传感器的输出产生的模拟信号来计算位置信息。传感器信号处理器通过使用数字脉冲信号和模拟信号来产生位置信息。

7. 发明申请

US20060118709A1 Rotation angle detection apparatus and rotary disk for same 有权
标题翻译：旋转角度检测装置和旋转盘相同
公开(公告)号：US20060118709A1
公开(公告)日：2006-06-08
申请号：US11335983
申请日：2006-01-20
申请人： Masahiko Igaki , Akio Atsuta
发明人： Masahiko Igaki , Akio Atsuta
IPC分类号： G01D5/34
CPC分类号： G01D5/34738
摘要： A rotation information record surface of a rotary disk is disposed at an intermediate position between a fixing point of the rotary disk and a rotary shaft and a fixing position of a detection head, so that a stable gap can be obtained with a variation due to thermal expansion being reduced. In order to attain this, the fitting portion of the rotary disk is shaped to have a first fitting portion and a second fitting portion. The first fitting portion is provided for attaining satisfactory coaxiality, and the second fitting portion is adapted to form a clearance into which bonding means such as an adhesive is to be infused. With the above structure, an optimum detection position (i.e. an optimum gap position) would not be varied by a change in the ambient temperature.
摘要翻译：旋转盘的旋转信息记录表面设置在旋转盘的固定点和旋转轴之间的中间位置以及检测头的固定位置，从而可以获得由于热量变化而产生的稳定的间隙扩张减少。为了达到这个目的，旋转盘的装配部分成形为具有第一装配部分和第二装配部分。第一装配部分用于获得令人满意的同轴度，并且第二装配部分适于形成一个间隙，粘合装置例如粘合剂将被输入到该间隙中。利用上述结构，通过环境温度的变化不会改变最佳检测位置（即最佳间隙位置）。

8. 发明申请

US20050274880A1 Optical encoder 有权
标题翻译：光学编码器
公开(公告)号：US20050274880A1
公开(公告)日：2005-12-15
申请号：US11152412
申请日：2005-06-14
申请人： Akio Atsuta , Masahiko Igaki
发明人： Akio Atsuta , Masahiko Igaki
IPC分类号： G01D5/36 , H01J3/14
CPC分类号： G01D5/366
摘要： An optical encoder includes a light-emitting unit, a scale with a discontinuous part, and a plurality of light-receiving elements arranged in relationship to a pitch of the scale. In the optical encoder, a light beam from the light-emitting unit reflects off the scale, and is received at the light-receiving elements. As a result of the processing of signals from the light-receiving elements, the discontinuous part is detected and the origin detection can be achieved.
摘要翻译：光学编码器包括发光单元，具有不连续部分的刻度以及与刻度的间距相关地布置的多个光接收元件。在光学编码器中，来自发光单元的光束反射离开标尺，并被接收在光接收元件处。作为来自光接收元件的信号的处理的结果，检测不连续部分并且可以实现原点检测。

9. 发明授权

US06215224B1 Control device for vibration type actuator 有权
标题翻译：振动式执行器控制装置
公开(公告)号：US06215224B1
公开(公告)日：2001-04-10
申请号：US09208375
申请日：1998-12-10
申请人： Kenichi Kataoka , Akio Atsuta , Shinji Yamamoto , Tadashi Hayashi , Jun Ito
发明人： Kenichi Kataoka , Akio Atsuta , Shinji Yamamoto , Tadashi Hayashi , Jun Ito
IPC分类号： H01L4108
CPC分类号： H02N2/142 , H02N2/147 , H02N2/163
摘要： The present invention relates to a control device for vibration type actuator and, particularly, to an arrangement for forming a driving signal by using a pulse signal. In the invention, a periodic pulse is formed by integral multiplying of a period of a reference pulse, analog signals of first and second values are formed at each period of the periodic pulse, an analog signal of third value between the first and second values is formed in a short time, the analog signals are input to a low-pass filter so as to convert the signals to pulse signals by comparing the outputs of the low-pass filter with reference valves, and thereby the formed driving signal includes frequencies at higher resolution than that of the reference pulse so that the control device provides a drive with higher precision.
摘要翻译：本发明涉及一种用于振动型致动器的控制装置，特别涉及一种通过使用脉冲信号形成驱动信号的装置。在本发明中，通过对参考脉冲的周期进行积分乘法来形成周期脉冲，在周期脉冲的每个周期形成第一和第二值的模拟信号，第一和第二值之间的第三值的模拟信号是在短时间内形成的模拟信号被输入到低通滤波器，以通过将低通滤波器的输出与参考阀进行比较来将信号转换成脉冲信号，从而形成的驱动信号包括较高的频率分辨率高于参考脉冲，使得控制装置提供具有更高精度的驱动器。

10. 发明授权

US6037701A Vibration type actuator apparatus 失效
标题翻译：振动式执行机构
公开(公告)号：US6037701A
公开(公告)日：2000-03-14
申请号：US714598
申请日：1996-09-16
申请人： Akio Atsuta
发明人： Akio Atsuta
IPC分类号： G03B7/10 , G02B7/08 , H01L41/04 , H02N2/00 , H02N2/06 , H01L41/08
CPC分类号： H02N2/14 , H02N2/106 , H02N2/142
摘要： A vibration type actuator apparatus which obtains a driving force by applying a cyclic signal to a piezoelectric member to excite a vibration member, includes an apparatus which obtains driving amount or position information of a target object driven by the apparatus by accumulating the output from the piezoelectric member.
摘要翻译：一种振动型致动器装置，其通过向压电元件施加循环信号来获得驱动力以激励振动部件，包括：通过累积来自压电元件的输出而获得由该装置驱动的目标物体的驱动量或位置信息的装置会员。

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