公开(公告)号：US4983867A

公开(公告)日：1991-01-08

申请号：US544902

申请日：1990-06-28

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H02K37/04 ,  H02K37/06 ,  H02K37/18

CPC分类号： H02K37/18

摘要： A stepping motor includes a stator having a plurality of magnetic poles wound with windings of three phases or four phases, and a rotor formed by a pair of rotary plates each having a multiplicity of gear-like salient poles and an axially magnetized permanent magnet sandwiched between the rotary plates. Where the number of magnetic poles of the stator is represented by m, the number of gear-like salient poles of the rotary plate is Z, and n is an integer equal to or larger than 1, in order to obtain a minute step angle, m, n and Z are selected to satisfy the following relationship: when m=9, and a 3-phase winding stator, Z=9n.+-.3.

摘要翻译： 步进电机包括具有卷绕有三相或四相绕组的多个磁极的定子，以及由一对旋转板形成的转子，每个旋转板具有多个齿轮状凸极和夹在其间的轴向磁化永磁体 旋转板。 在定子的磁极数由m表示的情况下，为了得到微小的阶梯角，旋转板的齿轮状凸极的数量为Z，n为1以上的整数， 选择m，n和Z以满足以下关系：当m = 9时，和3相绕组定子Z = 9n +/- 3。

公开(公告)号：US4499391A

公开(公告)日：1985-02-12

申请号：US416933

申请日：1982-09-13

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H05K9/00 ,  H02K5/04 ,  H02K11/00 ,  H02K3/42

CPC分类号： H02K5/04 ,  H02K11/01 ,  Y10T74/2186

摘要： An end bracket for a motor comprising an inner wall and an outer wall. The inner wall is formed from a thin magnetic shielding material and the outer wall is formed from a non-magnetic material. The inner wall comprises: a larger-diameter cylindrical part having an outside diameter substantially equal to that of the stator core of a motor and further having an inner end in contact with said stator core; a smaller-diameter cylindrical part coaxial with the larger-diameter cylindrical part and having an outside diameter substantially equal to that of the rotor of the motor and further having an inner end facing said rotor across a gap; and an end disk part integrally connected to the outer ends of these cylindrical parts respectively. A plurality of small projections are formed on the end disk part of the magnetic shield to project in the opposite direction to the cylindrical parts so that the height of each of the small projections is substantially equal to the thickness of the outer wall of non-magnetic material, and the small projections are buried in said outer wall in order to connect the magnetic shield and the outer wall into a unitary end bracket.

摘要翻译： 一种用于电动机的端部支架，其包括内壁和外壁。 内壁由薄磁屏蔽材料形成，外壁由非磁性材料形成。 内壁包括：具有与电动机的定子芯的外径基本相等的外径的更大直径的圆柱形部分，并且还具有与所述定子芯接触的内端; 与较大直径的圆柱形部分同轴且具有与电动机的转子基本相等的外径的较小直径的圆柱形部分，并且还具有跨越间隙面对所述转子的内端; 以及分别与这些圆筒部的外端一体地连接的端盘部。 多个小突起形成在磁屏蔽的端盘部分上，以与圆筒部相反的方向突出，使得每个小突起的高度基本上等于非磁性的外壁的厚度 材料，并且小突起被埋在所述外壁中，以便将磁屏蔽和外壁连接成一体的端支架。

公开(公告)号：US07342330B2

公开(公告)日：2008-03-11

申请号：US11241919

申请日：2005-10-04

申请人： Masafumi Sakamoto ,  Akira Tozune

发明人： Masafumi Sakamoto ,  Akira Tozune

IPC分类号： H02K37/14

CPC分类号： H02K37/18

摘要： A stator core having twelve stator poles, coils wound around the stator poles, and a hybrid type rotor are included. The stator poles inwardly and radially extended from an annular yoke portion. Each of the respective stator poles has the same number of inductors. The coils are connected so that a pair of the stator poles being substantially symmetric with respect to a point are excited in opposite polarities. The rotor is arranged with a predetermined air gap with respect to the inductors, the rotor has a pair of rotor cores each of which has rotor teeth facing to the inductors and a permanent magnet magnetized in the axial direction sandwiched therebetween. The angles between inductors at the corresponding positions of adjacent stator poles are defined by repeating three sets of angular distributions each of which includes three times of 29.1 degrees and one time of 32.7 degrees when a number of rotor teeth equals 100.

摘要翻译： 具有十二个定子极的定子铁心，缠绕在定子极上的线圈和混合型转子。 定子极从环形磁轭部分向内并径向延伸。 每个相应的定子极具有相同数量的电感器。 线圈被连接成使得相对于点基本对称的一对定子极被以相反的极性激发。 转子相对于电感器布置有预定的气隙，转子具有一对转子芯，每个转子芯具有面向电感器的转子齿和夹在其间的轴向磁化的永磁体。 在相邻定子极的相应位置处的电感器之间的角度通过重复三组角度分布来定义，每组角度分布包括29.1度的三倍和一定数量的转子齿等于100时的32.7度的一次。

公开(公告)号：US07274805B2

公开(公告)日：2007-09-25

申请号：US10650711

申请日：2003-08-29

申请人： Noboru Horie ,  Masafumi Sakamoto

发明人： Noboru Horie ,  Masafumi Sakamoto

IPC分类号： G06K9/00

CPC分类号： H04N7/185 ,  H04N7/181 ,  Y10T74/17 ,  Y10T74/19

摘要： There is no surveillance camera system optimum for monitoring an important monitor place by a surveillance camera mainly for crime prevention day and night without humans in attendance, which can automatically monitor the place without humans in attendance and, when something suspicious is found, follow the suspicious without humans in attendance, and accurately monitor the suspicious at high precision. The present invention provides a surveillance camera driving method achieving such a system having the function of obtaining video image signals by two or more surveillance cameras each having a three-dimensional positioning pan tilt head function, organically processing the video information, comparing the processed information with input data of a plane picture or the like or data of pictures of a front view and a side view or the like, and determining whether the processed video signal is the same as the input data or not.

摘要翻译： 没有监控摄像机系统通过监控摄像机监控监控摄像机的重要监控位置，主要用于白天和黑夜的犯罪预防，无人参加，可以自动监控没有人参加的地点，当发现有疑问时，请遵循可疑 无人参加，准确监测可疑。 本发明提供了一种监视摄像机驱动方法，其实现了具有通过两个或更多个监视摄像机获得视频图像信号的功能的系统，每个监视摄像机具有三维定位盘倾斜头功能，有机地处理视频信息，将处理的信息与 平面图像等的输入数据或前视图和侧视图等的图像的数据，以及确定处理的视频信号是否与输入数据相同。

公开(公告)号：US20050194846A1

公开(公告)日：2005-09-08

申请号：US11116542

申请日：2005-04-28

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H02K1/27 ,  H02K29/03 ,  H02K37/04 ,  H02K37/14 ,  H02P8/14 ,  H02K37/00 ,  H02K21/12

CPC分类号： H02K37/18 ,  H02K29/03 ,  H02P8/14

摘要： A permanent magnet type three-phase stepping motor that is simple in construction, with reduced vibration, a reduced unbalanced force in the radial direction, and high torque that can be manufactured at a low cost. The permanent magnet type three-phase stepping motor has a stator and a rotor arranged concentrically with the stator and with an air gap therebetween, said stator having three stator poles, and stator windings of three-phase each wound around each stator pole, each of said stator poles having m pieces of stator pole tooth, said rotor having two split rotor elements, a permanent magnet held between the rotor elements and magnetized so as to form N and S poles in the axial direction thereof, and a plurality (Nr) of small rotor teeth formed at a regular pitch on the outer peripheral surface of each of said rotor elements, said two split rotor elements being circumferentially shifted from each other by a ½ pitch of the small rotor teeth, wherein a pitch of the stator pole teeth is smaller than the pitch of the small rotor teeth, m is an integer and (Nr±2k)/3, Nr is 3n±1, n is an integer not less than 1, and k is an integer not less than 1 and not more than 4.

摘要翻译： 一种永磁式三相步进电机，其结构简单，振动减小，径向不平衡力减小，可以以低成本制造的高转矩。 永磁式三相步进电动机具有定子和与定子同心配置的转子，其间具有气隙，所述定子具有三个定子极，并且三相定子绕组缠绕在每个定子极上， 所述定子极具有m个定子极齿，所述转子具有两个分离转子元件，永磁体保持在转子元件之间并被磁化以在轴向方向上形成N和S极，以及多个（Nr） 在每个所述转子元件的外周表面上以规则间距形成的小转子齿，所述两个分离转子元件彼此周向相互偏移小转子齿的1/2间距，其中定子极齿的间距为 小于小转子齿的间距，m是整数，（Nr±2K）/ 3，Nr是3n±1，n是不小于1的整数，并且k是 不小于1且不大于4的整数。

公开(公告)号：US06765321B2

公开(公告)日：2004-07-20

申请号：US10171624

申请日：2002-06-17

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H02K3700

CPC分类号： H02K37/14

摘要： A three-phase toroidal coil type electric rotating machine including a rotor that includes a cylindrical permanent magnet having M pairs of N-poles and S-poles that are alternatively arranged around a rotor axis, and a stator that includes three stator units stacked in an axial direction around the cylindrical permanent magnet. Each stator unit has a pair of stator magnetic poles and a toroidal coil sandwiched therebetween. Each stator magnetic pole has M pieces of claw poles extending in the axial direction. The claw poles of the stator magnetic poles are in mesh with each other inside the toroidal coil. The toroidal coils are connected as a delta connection. The positional relationship between the claw poles and the cylindrical permanent magnet is determined such that the phase differences among speed electromotive forces caused in the toroidal coils are 120 degrees (electrical angle) between any two of the three terminals.

摘要翻译： 一种三相环形线圈型旋转电机，包括转子，该转子包括具有交替地布置在转子轴线周围的M对N极和S极的圆柱形永久磁铁，以及包括三个定子单元的定子， 围绕圆筒形永久磁铁的轴向。 每个定子单元具有一对定子磁极和夹在其间的环形线圈。 每个定子磁极具有沿轴向延伸的M个爪极。 定子磁极的爪极在环形线圈内部彼此啮合。 环形线圈以三角形连接方式连接。 确定爪极和圆柱形永磁体之间的位置关系，使得在环形线圈中引起的速度电动势之间的相位差在三个端子中的任何两个之间为120度（电角度）。

公开(公告)号：US06545376B2

公开(公告)日：2003-04-08

申请号：US09861913

申请日：2001-05-21

申请人： Kazuo Ohnishi ,  Masafumi Sakamoto ,  Koki Isozaki

发明人： Kazuo Ohnishi ,  Masafumi Sakamoto ,  Koki Isozaki

IPC分类号： H02K3700

CPC分类号： H02K37/18

摘要： In the three-phase hybrid type stepping motor according to the present invention, the small stator teeth formed on the tip end of the stator pole are classified to sets of two or three small teeth, the third harmonic vector sum of the permeances of the small teeth in each set is determine to substantially zero, and the third, fifth and sixth harmonic vector sum of the permeances of the small teeth of the sets is determine to substantially zero, under the consideration that the permeances between the small teeth of the stator magnetic pole and the rotor are varied according to the rotation of the rotor and that the permeances are varied regularly.

公开(公告)号：US06460889B2

公开(公告)日：2002-10-08

申请号：US09200475

申请日：1998-11-27

申请人： Yoshitaka Iyanagi ,  Katsumasa Nagano ,  Akira Oda ,  Hiroyuki Nagae ,  Masafumi Sakamoto

发明人： Yoshitaka Iyanagi ,  Katsumasa Nagano ,  Akira Oda ,  Hiroyuki Nagae ,  Masafumi Sakamoto

IPC分类号： B62D2100

CPC分类号： B62D21/152

摘要： A stopper 1 is fixedly mounted on and projects from an outer surface of that portion of a side frame 7 disposed in the vicinity of a front wheel 14. A reinforcement 2 is mounted on an inner surface of that portion of the side frame 7, on which the stopper 1 is mounted, thereby reinforcing the stopper 1. At the time of a collision of a vehicle, a rear side 17 of an outer periphery of the front wheel 14 strikes against the stopper 1, and also the movement of the stopper 1 is prevented by the reinforcement 2, thereby limiting the movement of the front wheel 14. Therefore, the deformation of the side frame 7 and so on toward the vehicle frame is reduced.

摘要翻译： 止动件1固定地安装在设置在前轮14附近的侧框架7的该部分的外表面上并从其突出。加强件2安装在侧框架7的该部分的内表面上 挡块1安装在其上，从而加强挡块1.在车辆碰撞时，前轮14的外周的后侧17撞击挡块1，并且挡块1的移动 被加强件2阻止，从而限制前轮14的移动。因此，侧架7等向车架的变形减小。

公开(公告)号：US06320347B1

公开(公告)日：2001-11-20

申请号：US09689164

申请日：2000-10-12

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H02P800

CPC分类号： H02K37/18 ,  H02K37/20

摘要： A rotor composite type three-phase stepping motor having a stator consisting of two stator elements each having 6 n pieces of stator magnetic pole with Ns pieces of pole tooth formed on the tip end of each stator magnetic pole piece, and a permanent magnet held by the two stator elements therebetween, a rotor of magnetic material arranged so as to face to a periphery of the stator through an air gap, Nr pieces of pole tooth being formed on a periphery of the rotor, and exciting windings wound around each stator magnetic pole piece of the stator elements consisting of two sets of three-phase windings each wound around 3n pieces of stator magnetic pole among the 6 n pieces of stator magnetic pole. A mechanical angle formed between the adjacent magnetic pole pieces in the 3n pieces of magnetic pole with each set of three-phase windings is 60° m/n and a mechanical degree angle formed between the 3n pieces of magnetic pole with each set of three-phase windings is (60° m/n−&thgr;s), where Nr is a number of rotor pole teeth, each of n, m and Ns is an integer not less than 1, and &thgr;s is a step angle of (30°−Nr) k where k is an integer number not less than 1.

摘要翻译： 一种转子复合型三相步进电动机，其具有定子，该定子由两个定子元件组成，每个定子元件具有形成在每个定子磁极片的末端上的具有Ns个极齿的6n个定子磁极，以及永磁体， 它们之间的两个定子元件，通过气隙布置成与定子的周围相对配置的磁性材料的转子，在转子周边形成有Nr个极齿，以及缠绕在每个定子磁极上的励磁绕组 这些定子元件由两组三相绕组组成，每组绕组在6n个定子磁极中缠绕在3n个定子磁极上。 在每个三相绕组的3n个磁极中的相邻磁极片之间形成的机械角度为60°m / n，并且在3n个磁极与每组三相绕组之间形成的机械角度， 相位绕组为（60°m / n-t），其中Nr为转子极齿数，n，m和Ns分别为不小于1的整数，并且步长为（30°-Nr ）k其中k是不小于1的整数。

公开(公告)号：US06281615B1

公开(公告)日：2001-08-28

申请号：US09640144

申请日：2000-08-16

申请人： Masafumi Sakamoto

发明人： Masafumi Sakamoto

IPC分类号： H02K112

CPC分类号： H02K37/18 ,  H02K1/145 ,  H02K1/146 ,  H02K37/14

摘要： A magnet type stepping motor which has (1) a stator with three-phase stator windings, and 6m pieces of stator main pole arranged side by side, where m is an integer and ≧1, the stator windings of one phase are wound around every two stator main poles among the 6m pieces of the stator main pole, wherein when the stator windings of one phase are excited with a direct current, m pieces of N pole and M pieces of S pole are formed alternately on the 6m pieces of stator main pole, and (2) a rotor of a cylindrical permanent magnet magnetized in the circumferential direction to form Z/2 pieces of N pole and Z/2 pieces of S pole alternately, where Z is the number of rotor poles.

摘要翻译： 一种磁铁式步进电动机，其具有（1）具有三相定子绕组的定子和并排布置的6m个定子主极，其中m为整数，> = 1，一相的定子绕组缠绕 定子主极6m之间的每两个定子主极，其中当一个相的定子绕组被直流激励时，在6m定子上交替地形成m个N极和M个S极， 主极，（2）沿圆周方向磁化的圆筒形永磁体的转子，交替地形成Z / 2个N极和Z / 2个S极，其中Z是转子极数。