Abstract: The present disclosure provides a red phosphor represented by formula (1): (x-a-b)MgO.aM1O.bM2O1.5.yMgF2.fM6X2.(1-g)GeO2.gM7O1.5:zMn4+??(1) where x, y, z, a, b, f, and g satisfy 1.144?x?11.0, 0<y<1.597, 0<z<0.1, 0<a<1.0, 0?b?1.0, 0?f?2.0, 0?g<0.484, 1.144<(x-a-b), and b and g satisfy b+g?0; M1 is at least one element selected from the group consisting of Ca, Sr, Ba, and Zn; M2 is at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M6 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; M7 is at least one element selected from the group consisting of B, Al, Ga, and In; and X is at least one element selected from the group consisting of F, Cl, Br, and I, and M6X2 is other than MgF2.

Abstract: A red phosphor including the composition represented by the following general formula. (x?a)MgO.(a/2)Sc2O3.yMgF2.cCaF2.(1?b)GeO2.(b/2)Mt2O3:zMn4+ where x, y, z, a, b, and c satisfy 2.0?x?4.0, 0<y<1.5, 0<z<0.05, 0?a<0.5, 0<b<0.5, 0?c<1.5, and y+c<1.5, and Mt is at least one element selected from the group consisting of Al, Ga, and In.

Abstract: An axial gap type rotating electric machine including a stator that includes m salient poles that protrude from a discoid magnetic material in a rotating shaft direction and are arranged in a circumferential direction. A winding wire is wound around an outer periphery of each of the salient poles. The rotor includes n permanent magnet poles and n rotor magnetic materials that are alternately arranged in the circumferential direction. The permanent magnet poles each include a magnet pole piece and a permanent magnet that are fixedly attached to each other and arranged in an axial direction, the magnet pole piece being made of a magnetic material. A plurality of teeth are formed in a concentric arc-like manner in an opposing part between: the magnet pole pieces and the rotor magnetic materials; and the stator so as to engage with each other with the intermediation of the air gap.

Abstract: In order to achieve improvement in speed and torque of a rotating electric machine according to an inexpensive, simple, and highly reliable method, Provided is a rotating electric machine including: a stator; a rotor that is rotatably arranged with an intermediation of an air gap in a rotating shaft direction with respect to the stator; and a primary-side mechanism that rotates concentrically with a shaft center of the rotor. The primary-side mechanism includes: a fixed position rotating pulley that is arranged so as to be immovable in the rotating shaft direction; and a variable position rotating pulley that is arranged so as to be movable in the rotating shaft direction with respect to the fixed position rotating pulley. The variable position rotating pulley rotates and moves in an axial direction integrally with the rotor.

Abstract: An axial gap type rotating electric machine, having a stator with first tooth parts protruding in an axial direction and formed in a concentric arc-like manner, and a rotor with magnetic poles arranged in a distributed manner in the circumferential direction, and the magnetic poles include second tooth parts that protrude in the axial direction and are formed in a concentric arc-like manner, the second tooth parts being opposedly arranged so as to respectively engage with the first tooth parts with the intermediation of the air gap. The rotor is incorporated in the rotating member so as to be movable in the axial direction and so as not to be rotatable with respect to the rotating member. The rotating electric machine further includes an urging device that makes the air gap between the rotor and the stator adjustable.

Abstract: In a rotating electrical machine of axial-gap type in which a stator and a rotor are opposed to each other in arrangement and winding axis is parallel with a rotating shaft direction, the stator has an “m” protruding in the rotating shaft direction are distributed along a circumferential direction thereof, in which the winding pole is formed of a magnetic member having a plurality of teeth in a circular-arc shape in a diameter direction, and wherein the rotor is formed of a magnetic member having a plurality of teeth in a circular-arc shape in a diameter direction, and the number of the teeth of the stator and the rotor are arranged in a manner opposite to each other through air gap so as to be engaged with each other. The stator and the rotor are opposed on both sides of the rotor and the stator.

Abstract: A rotating electrical machine having high efficiency and torque, in which the stator is provided with a stator core including an annular yoke portion and n winding poles radially extending from the annular yoke portion, the rotor core includes a circumference portion having small teeth substantially in parallel with the rotary shaft, and an end surface portion having small teeth substantially perpendicular to the rotary shaft, the circumference portion of the winding pole in the stator and the circumference portion of the rotor core in the rotor face each other via an air gap to provide a radial gap, and the end surface portion of the winding pole in the stator and the end surface portion of the rotor core in the rotor face each other via an air gap to provide an axial gap, and n is an integer of 2 or more.

Abstract: An electrical machine having high torque and reliability and low cost, has a stator and rotor facing each other via an air gap, and a bracket at each of both shaft-direction end surfaces of the stator and rotor. The stator core is formed of a dust core, and a stator side guide portion projecting in the shaft direction concentrically with an inner peripheral portion of the stator, is provided on each of both side surface portions of the stator core, a bracket side guide portion, which is fitted to the stator side guide portion, is provided at each of the brackets, and the air gap is secured by making the stator side guide portion fitted to the bracket side guide portion.

Abstract: To realize a highly efficient rotating electrical machine having high torque at low cost by a reliable method. The inner rotor type rotating electrical machine including a stator core and a rotor core facing each other, and a gap provided in a recessed and projected state between the stator core and the rotor core, the rotating electrical machine being featured in that the stator core includes at least an armature and is configured by assembling a plurality of divided dust cores.

Abstract: The disclosed is a linear motor which comprises an armature part including a coil, a field magnet part including a permanent magnet or an electromagnet, and a yoke part, in which the armature part is distributed in the field magnet part to excite the coil in the armature part, and which gives either the armature part or the field magnet part a rectilinear motion, wherein the armature part has a molded body in which the coil is covered with a magnetic substance, or has a structure in which a wall is formed on at least one of the internal circumference and the outer circumference of the coil with a magnetic cylindrical body.

Abstract: The disclosed is a rotating electric machine, comprising a magnetic iron stator and a surface permanent magnet type rotor, wherein a wire-winding axis and a rotating axial core of the stator cross each other orthogonally, and inner diameter portion of the stator is provided with an iron core having m wire-winding salient-poles arrayed circumferentially, and becomes gradually smaller from one side to another side in its axial direction, wherein the rotor has n poles with an arrangement that north poles and south poles are arrayed alternately in its circumferential direction, peripheral portion of the rotor becomes gradually smaller from one side to another side in its axial direction, and the stator and the rotor are engaged rotatably via a tapered air gap, wherein m is a positive integer of two or more, and n is a positive even number.

Abstract: A permanent-magnet rotary electric machine preferably includes a stator and a rotor opposed thereto via an air gap. The stator includes a stator core having 4m (m is an integer equal to or larger than 2) main poles each having inductor teeth at a tip thereof. The rotor includes two rotor units adjacent to each other in the axial direction. Each rotor unit includes a pair of rotor magnetic poles and a permanent magnet arranged therebetween. The permanent magnets in the rotor are axially magnetized in opposite directions to each other. Each rotor magnetic pole has magnetic teeth on its outer periphery at a regular pitch. The rotor magnetic poles in each rotor unit are arranged such that the magnetic teeth of one rotor magnetic plate are offset by half a pitch from those of the other rotor magnetic pole, and the magnetic teeth of adjacent rotor magnetic poles are aligned with each other in the axial direction.

Abstract: A hybrid type stepper motor preferably includes a two-phase eight-main-pole stator and a rotor defined by two rotor units each having a pair of rotor magnetic poles with a permanent magnet interposed therebetween. Each rotor magnetic pole has fine teeth at a regular pitch. The permanent magnets are magnetized in opposite directions to each other. The adjacent rotor magnetic poles of the rotor units are arranged with their fine teeth aligned with each other in the axial direction. Each main pole has six inductor teeth including: a pair of innermost inductor teeth arranged at the first pitch in the central portion of the main pole; a pair of intermediate teeth on the outside of the innermost inductor teeth at the second pitch therefrom; and a pair of outermost inductor teeth on the outside of the intermediate inductor teeth at the third pitch therefrom. The first, second, and third pitches are all different from the pitch of the fine teeth of the rotor magnetic pole.

Abstract: A manufacturing method of a hybrid permanent magnet type electric rotating machine including a stator that is constructed by winding excitation coils around respective main poles. A rotor is constructed by fixing a first rotor unit, which consists of a pair of rotor cores and a magnetic material sandwiched between the rotor cores, and a second rotor unit, which has the same construction as the first rotor unit, to a rotation shaft. The rotor is assembled to the stator to form an assembled body. The magnet material of the first rotor unit is magnetized in the axial direction by a magnetizing flux passing through a half of the assembled body in the axial direction. The magnet material of the second rotor unit is magnetized in the axial direction in an opposite polarity by a magnetizing flux passing through the remaining half of the assembled body in the axial direction.

Abstract: A permanent-magnet rotary electric machine preferably includes a stator and a rotor opposed thereto via an air gap. The stator includes a stator core having 4m (m is an integer equal to or larger than 2) main poles each having inductor teeth at a tip thereof. The rotor includes two rotor units adjacent to each other in the axial direction. Each rotor unit includes a pair of rotor magnetic poles and a permanent magnet arranged therebetween. The permanent magnets in the rotor are axially magnetized in opposite directions to each other. Each rotor magnetic pole has magnetic teeth on its outer periphery at a regular pitch. The rotor magnetic poles in each rotor unit are arranged such that the magnetic teeth of one rotor magnetic plate are offset by half a pitch from those of the other rotor magnetic pole, and the magnetic teeth of adjacent rotor magnetic poles are aligned with each other in the axial direction.

Abstract: A hybrid type stepper motor preferably includes a two-phase eight-main-pole stator and a rotor defined by two rotor units each having a pair of rotor magnetic poles with a permanent magnet interposed therebetween. Each rotor magnetic pole has fine teeth at a regular pitch. The permanent magnets are magnetized in opposite directions to each other. The adjacent rotor magnetic poles of the rotor units are arranged with their fine teeth aligned with each other in the axial direction. Each main pole has six inductor teeth including: a pair of innermost inductor teeth arranged at the first pitch in the central portion of the main pole; a pair of intermediate teeth on the outside of the innermost inductor teeth at the second pitch therefrom; and a pair of outermost inductor teeth on the outside of the intermediate inductor teeth at the third pitch therefrom. The first, second, and third pitches are all different from the pitch of the fine teeth of the rotor magnetic pole.

Abstract: A stepping motor includes: a stator having main magnetic poles each having small stator teeth on its tip, a core-back portion that connects outer portions of the poles, and windings wound around the poles; and two sets of rotor units that are arranged in an axial direction and face the stator with an air gap therebetween. Each rotor unit consists of two rotor cores that are separated in the axial direction and a magnet sandwiched thereby and magnetized in the axial direction. Each rotor core has small rotor teeth around its outer surface. The rotor cores of each rotor unit are deviated by ½ pitch of the small rotor teeth, and the two rotor units are arranged to make the magnetic polarities of the small rotor teeth of the adjacent two rotor cores identical. A magnet thickness Tm and a rotor core thickness Tc satisfy 0.25?Tm/Tc?0.45.

Abstract: 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.

Abstract: 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.

Abstract: A stator is constructed by winding excitation coils around respective main poles. A rotor is constructed by fixing a first rotor unit, which consists of a pair of rotor cores and a magnetic material sandwiched between the rotor cores, and a second rotor unit, which has the same construction as the first rotor unit, to a rotation shaft. The rotor is assembled to the stator to form an assembled body. The magnet material of the first rotor unit is magnetized in the axial direction by a magnetizing flux passing through a half of the assembled body in the axial direction. The magnet material of the second rotor unit is magnetized in the axial direction in an opposite polarity by a magnetizing flux passing through the remaining half of the assembled body in the axial direction.