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    • 1. 发明公开
    • Stator for use in an electromotor or dynamo
    • 定子zum Gebrauch在einem Elektromotor oder发电机
    • EP1107423A1
    • 2001-06-13
    • EP99309616.3
    • 1999-11-30
    • Fan, Yang-Fung
    • Fan, Yang-Fung
    • H02K1/14
    • H02K1/141H02K2201/06
    • A stator (90) for use in an electro-motor or dynamo, which includes a plurality of stator units (10) and winding means (30) wound round the stator units. Each stator unit (10) comprises a column (19) having a first end section (11), a second end section (12) and a middle section (13), the first end section (11) and the second end section (12) being formed integral with two distal ends of the middle section (13) and turned toward an inner side (14) of the column. The stator units are arranged around a central axis in such a manner that the longitudinal axis of each stator (90) is arranged in parallel or perpendicular to the central axis or at an angle relative to the central axis.
    • 一种用于电动机或发电机的定子(90),其包括缠绕在定子单元上的多个定子单元(10)和绕组装置(30)。 每个定子单元(10)包括具有第一端部(11),第二端部(12)和中间部分(13)的第一端部(19),第一端部部分(11)和第二端部部分 )与中间部分(13)的两个远端一体地形成并且朝向柱的内侧(14)转动。 定子单元围绕中心轴线布置成使得每个定子(90)的纵向轴线平行或垂直于中心轴线或相对于中心轴线成一定角度布置。
    • 2. 发明专利
    • Holographic image display apparatus
    • GB2563873B
    • 2022-03-02
    • GB201710306
    • 2017-06-28
    • FAN YANG
    • FAN YANG
    • G03H1/22G03H1/26
    • An apparatus for projecting a three-dimensional holographic image includes a coherent light source 6 and beam expander optics 8 which transmit light onto spatial light modulator (SLM) 4. Under control from processor 5, SLM 4 performs amplitude modulation to impart an amplitude pattern representative of a 2D slice of the desired 3D image projection onto the light beam. The amplitude-patterned light is subject to a Fourier transform by a lens arrangement (e.g. lens 3). The Fourier transform of the amplitude-patterned light is brought to focus upon a further, phase-modulating, SLM 2 which performs a Fresnel transform upon the light incident upon it. SLM 2 is also subject to control from processor 5. The Fresnel transform provides a lensing effect, thus different phase-modulating patterns enable associated 2D holographic image slices to be focused in adjacent image planes. Rapid sequential display of different 2D image slices is used to generate the perception of a 3D projected holographic image in the image space. Embodiments include alternative lens arrangements including a phase mask (31, figure 2) to impart a pseudo-random phase pattern on the beam to reduce noise in the projected image. An associated method of generating a holographic image is also disclosed. The disclosed apparatus and method are intended to enable rapid generation of a holographic projection without requiring processor-intensive computation of Fourier transforms of the image slices.
    • 3. 发明专利
    • Holographic image display apparatus
    • GB2563873A
    • 2019-01-02
    • GB201710306
    • 2017-06-28
    • FAN YANG
    • FAN YANG
    • G03H1/22G03H1/26
    • An apparatus for projecting a three-dimensional holographic image includes a coherent light source 6 and beam expander optics 8 which transmit light onto spatial light modulator (SLM) 4. Under control from processor 5, SLM 4 performs amplitude modulation to impart an amplitude pattern representative of a 2D slice of the desired 3D image projection onto the light beam. The amplitude-patterned light is subject to a Fourier transform by a lens arrangement (e.g. lens 3). The Fourier transform of the amplitude-patterned light is brought to focus upon a further, phase-modulating, SLM 2 which performs a Fresnel transform upon the light incident upon it. SLM 2 is also subject to control from processor 5. The Fresnel transform provides a lensing effect, thus different phase-modulating patterns enable associated 2D holographic image slices to be focused in adjacent image planes. Rapid sequential display of different 2D image slices is used to generate the perception of a 3D projected holographic image in the image space. Embodiments include alternative lens arrangements including a phase mask (31, figure 2) to impart a pseudo-random phase pattern on the beam to reduce noise in the projected image. An associated method of generating a holographic image is also disclosed. The disclosed apparatus and method are intended to enable rapid generation of a holographic projection without requiring processor-intensive computation of Fourier transforms of the image slices.