会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Magnetic rotary encoder
    • 磁力旋转编码器
    • US4418372A
    • 1983-11-29
    • US173842
    • 1980-07-30
    • Hiroshi HayashidaTadashi TakahashiKunio MiyashitaKanji Kawakami
    • Hiroshi HayashidaTadashi TakahashiKunio MiyashitaKanji Kawakami
    • G01D5/14G01D5/16G01D5/245G01P3/487G11B5/12G11B5/30
    • G01D5/145G01D5/2451G01P3/487
    • Disclosed is a magnetic rotary encoder used in combination with a rotary body having plural pieces of magnetic information recorded on at least one circumferentially running track. The rotary encoder comprises a substrate having a surface disposed opposite to the rotary body and at least one magnetoresistive element formed on the surface of the substrate. The magnetoresistive element is formed on the substrate surface as an integral pattern including at least two portions extending substantially in the radial direction of the rotary body in a relation opposite to the magnetic information recorded portion of the rotary body, two lead connection terminal portions formed at the outer ends of the radially extending portions respectively, and a circumferentially extending portion interconnecting the radially extending portions at their ends, so as to form a single electrical signal path which passes both of the radially extending portions and terminates in the two lead connection terminal portions. These lead connection terminal portions are disposed outside of the outer peripheral edge of the rotary body.
    • 公开了一种与旋转体组合使用的磁旋转编码器,其具有记录在至少一个周向运行的轨道上的多个磁信息。 旋转编码器包括具有与旋转体相对设置的表面的基板和形成在基板的表面上的至少一个磁阻元件。 磁阻元件作为整体图案形成在基板表面上,该整体图形包括至少两个基本上沿着旋转体的径向方向延伸的部分,其与旋转体的磁信息记录部分相反,两个引线连接端子部分形成在 径向延伸部分的外端以及在其端部互连径向延伸部分的周向延伸部分,以便形成通过两个径向延伸部分并终止在两个引线连接端子部分中的单个电信号路径 。 这些引线连接端子部设置在旋转体的外周边缘的外侧。
    • 6. 发明授权
    • Method and apparatus for counting an infinite length with a counter of
finite length
    • 用有限长度的计数器计数无限长的方法和装置
    • US4586152A
    • 1986-04-29
    • US483428
    • 1983-04-08
    • Hiroshi HayashidaKunio MiyashitaTadashi TakahashiShigeki MorinagaKosho Ishizaki
    • Hiroshi HayashidaKunio MiyashitaTadashi TakahashiShigeki MorinagaKosho Ishizaki
    • G06K15/16B41J11/42G05B19/29G06F3/12H03K23/66G06F1/02
    • G05B19/293B41J11/42G05B2219/34053G05B2219/34215
    • An endless counting apparatus comprises a first memory for storing a code of a first predetermined number of bits sufficient to represent the maximum value of each coded input expressed according to the binary notation, a second memory for storing an endless-making code of a second predetermined number of bits of higher order than and contiguous to the less and least significant bits stored in the first memory, and a control circuit for adding or subtracting the value of the coded input to or from the contents of the first and second memories depending on the input value to be counted and applying the result of addition or subtraction to the first and second memories. A method for endless counting by such an apparatus comprises clearing the most significant bit of the endless making code stored in the second memory when the code stored in the second memory has attained a value which causes an overflow due to a carry from the contents of the first memory if the carry occurs, and setting the most significant bit of the endless-making code stored in the second memory when the code stored in the second memory has attained a value which causes an underflow due to a borrow from the contents of the first memory if the borrow occurs.
    • 无限计数装置包括:第一存储器,用于存储足以表示根据二进制符号表示的每个编码输入的最大值的第一预定数量的位的代码;第二存储器,用于存储第二预定数量的循环制造代码 与存储在第一存储器中的较低和最低有效位相比较高且相邻的位的数量的位数,以及用于根据第一和第二存储器的内容向或从第一和第二存储器的内容添加或减去编码输入的值的控制电路 输入值进行计数,并将加法或减法的结果应用于第一和第二存储器。 一种用于通过这种装置进行无限次计数的方法包括:当存储在第二存储器中的代码达到一个值时,清除存储在第二存储器中的无限制代码的最高有效位,该值导致由于 第一存储器,如果进位发生,并且当存储在第二存储器中的代码已经达到导致由于从第一存储器的内容中的借用而导致下溢的值时,设置存储在第二存储器中的循环代码的最高有效位 记忆如果借用发生。
    • 7. 发明授权
    • Magneto resistive sensor for detecting movement of a rotating body
    • 用于检测旋转体的运动的磁阻传感器
    • US4628259A
    • 1986-12-09
    • US306233
    • 1981-09-28
    • Tadashi TakahashiHiroshi HayashidaKunio MiyashitaSadao Sekizawa
    • Tadashi TakahashiHiroshi HayashidaKunio MiyashitaSadao Sekizawa
    • G01D5/14G01D5/16G01P3/487G01P13/04G01B7/14G01R33/02H01L41/12
    • G01D5/145G01D5/16G01P13/045G01P3/487
    • The invention discloses a movement detecting device for detecting the movement state of a moving body such as a rotating body, in which a magnetic recording medium on which N and S magnetic poles are alternately recorded at a constant interval is fixed symmetrically with respect to a rotary shaft of a rotating body whose rotation state is to be detected, and an MR element comprising magnet-resistive elements is mounted at a fixed position relative to the magnetic recording medium so that the rotation state of the rotating body can be detected from variation of the values of resistance of the magnet-resistive elements caused by the rotation of the body. N and S poles are recorded on the magnetic recording medium with a small pole pitch P. The magnet-resistive elements are formed to have a width sufficiently smaller than the pole pitch. The magnet-resistive elements constitute a first group and a second group, the magnet-resistive elements of each group being disposed with an interval equal to the pole pitch or half the pole pitch. The magnet-resistive elements are disposed in such a manner that the interval between the groups is deviated from the pole pitch, whereby a circuit comprising these magnet-resistive elements can detect the rotation of the rotating body.
    • 本发明公开了一种用于检测诸如旋转体的移动体的运动状态的运动检测装置,其中以一定间隔交替记录N和S磁极的磁记录介质相对于旋转体对称地固定 轴,其旋转状态要被检测,并且包括磁阻元件的MR元件安装在相对于磁记录介质的固定位置处,从而可以根据变化来检测旋转体的旋转状态 由身体的旋转引起的磁阻元件的电阻值。 N极和S极以小的极间距P记录在磁记录介质上。磁阻元件形成为具有足够小于极间距的宽度。 磁阻元件构成第一组和第二组,每组的磁阻元件以等于极间距或极间距的一半的间隔设置。 磁阻元件以这样的方式设置,使得组之间的间隔偏离极间距,由此包括这些磁阻元件的电路可以检测旋转体的旋转。
    • 8. 发明授权
    • Device for detecting the relative and absolute position of a moving body
    • 用于检测移动体的相对位置和绝对位置的装置
    • US4599561A
    • 1986-07-08
    • US432685
    • 1982-10-04
    • Tadashi TakahashiKunio MiyashitaHiroshi Hayashida
    • Tadashi TakahashiKunio MiyashitaHiroshi Hayashida
    • G01D5/249G01B7/00G01B7/30G01D5/14G01D5/16G01D5/245H02K29/08G01B7/14H01L43/08
    • G01D5/145H02K29/08
    • An encoder with a position detecting device is disclosed which is applicable to a brushless motor or the like, and includes a rotating body provided on a surface thereof with a magnetic material and magnetoresistive elements disposed opposite to and in close proximity to said magnetic material. The rotating body is provided with an encoding track in which a magnetic signal has been recorded in a predetermined direction of magnetization, and a position detecting track in which a magnetic signal has been recorded in a direction of magnetization intersecting with the predetermined direction of magnetization. The magnetoresistive elements are formed on an insulating substrate and face the tracks. Further, the magnetoresistive elements are arranged side by side in a radial direction of the rotating body and each of the magnetoresistive elements is placed so that the magnetoresistive element intersects the direction of magnetization in a track facing the magnetoresistive element, to make small the magnetoresistive element supporting substrate, thereby making the whole of the encoder small in size, and to prevent magnetic interference between the encoding track and position detecting track, thereby enhancing the performance of the encoder with the position detecting device.
    • 公开了一种具有位置检测装置的编码器,其可应用于无刷电动机等,并且包括在其表面上设置有磁性材料的旋转体和与所述磁性材料相对并且紧邻设置的磁阻元件。 旋转体设置有编码轨道,其中磁信号已经沿预定的磁化方向记录,并且其中磁信号已经沿着与预定磁化方向相交的磁化方向记录的位置检测轨迹。 磁阻元件形成在绝缘基板上并面向轨道。 此外,磁阻元件沿着旋转体的径向方向并排布置,并且每个磁阻元件被放置成使得磁阻元件与面向磁阻元件的轨道中的磁化方向相交,以使磁阻元件小 从而使整个编码器的尺寸小,并且防止编码轨迹和位置检测轨迹之间的磁干扰,从而通过位置检测装置提高编码器的性能。
    • 10. 发明授权
    • Method and apparatus for position control of an electric motor
    • 电动机位置控制方法及装置
    • US4558265A
    • 1985-12-10
    • US471434
    • 1983-03-02
    • Hiroshi HayashidaTadashi TakahashiKunio Miyashita
    • Hiroshi HayashidaTadashi TakahashiKunio Miyashita
    • H02P3/08G05B19/416G05D3/12H02P3/06H02P7/00G05B13/00
    • G05B19/416G05B2219/34215G05B2219/37388G05B2219/41021G05B2219/41245G05B2219/42237
    • A control process and apparatus for positioning an electric motor provided with a rotation angle detector at a designated position positively at a high speed without being accompanied with hunting notwithstanding variation in the motor current and inertia of a load. The control process activated upon starting of the motor and ending at the stoppage of the motor at the designated position includes a first control region in which acceleration of the motor having been started is detected and subsequently a constant speed operation of the motor is effected at a maximum speed. A deceleration initiating time point is determined in dependence on the acceleration. A second control region is provided in which the motor is decelerated in accordance with a deceleration pattern determined in dependence on a rotation angle extending between a position corresponding to the deceleration initiating time point and the commanded stop position, and motor torque and inertia of load is detected at the deceleration initiating time point. During a third control region the motor is progressively decelerated by reducing correspondingly the gain of voltage (current) applied to the motor when the motor position approaches to the commanded stop position. The control process also includes a fourth control region in which, when the motor stops short of or beyond the commanded position, the duty ratio of voltage applied to the motor is progressively increased to thereby re-start the motor toward the commanded position, and a fifth control region in which the motor is held at the commanded stop position.
    • 一种用于将设置有旋转角度检测器的电动机定位在指定位置的高速控制处理和装置,而不伴随着电动机电流和负载惯性的变化。 在指定位置启动电动机并停止电动机时启动的控制过程包括检测到起动电动机的加速度的第一控制区域,随后电动机的恒定速度运行在 最大速度。 根据加速度确定减速启动时间点。 提供第二控制区域,其中电动机根据根据与减速起始时间点对应的位置和指令停止位置之间延伸的旋转角度确定的减速度图形减速,电动机转矩和负载惯量为 在减速启动时间点检测。 在第三控制区域期间,当电动机位置接近指令停止位置时,通过相应地减小施加到电动机的电压(电流)的增益,电动机逐渐减速。 控制处理还包括第四控制区域,其中当电动机停止或超过指令位置时,施加到电动机的电压的占空比逐渐增加,从而将电动机重新启动到指令位置,并且 第五控制区域,其中马达保持在指令停止位置。