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1479 条记录 (耗时 0.043 秒)

    Angular spatial light modulator multi-display
    31.
    发明授权
    Angular spatial light modulator multi-display 有权

    公开(公告)号：US11917123B2

    公开(公告)日：2024-02-27

    申请号：US17433058

    申请日：2020-02-21

    申请人： Arizona Board of Regents on Behalf of the University of Arizona

    发明人： Brandon Hellman ,  Yuzuru Takashima

    IPC分类号： G03B21/00 ,  H04N13/365 ,  H04N13/337 ,  H04N13/363

    CPC分类号： H04N13/365 ,  H04N13/337 ,  H04N13/363

    摘要： A light projection system for projecting full-resolution, high quality images into different directions. The system includes a light source configured to provide a homogenous output beam of light and an illumination shaping optic elements configured with at least one of a predetermined cone angle, numerical aperture, and F-number. The system also includes a spatially-dependent, angular light modulator (ALM) with a plurality of pixels, each having an ON state, an OFF state, one input pupil, and N diffraction order pupils. The ALM is positioned such that the output beam is incident on the plurality of pixels. The at least one of the predetermined cone angle, numerical aperture, and F-number of the illumination shaping optic elements prevents contaminating light from entering an incorrect pupil. The system additionally includes a processor coupled to the ALM to provide discrete diffraction-based beam steering, whereby the ALM will project into one diffraction order at one time.

    CONVERTING SPATIAL INFORMATION TO HAPTIC AND AUDITORY FEEDBACK
    32.
    发明公开
    CONVERTING SPATIAL INFORMATION TO HAPTIC AND AUDITORY FEEDBACK 审中-公开

    公开(公告)号：US20240062548A1

    公开(公告)日：2024-02-22

    申请号：US18236842

    申请日：2023-08-22

    申请人： Arizona Board of Regents on Behalf of the University of Arizona

    发明人： Kavan Hazeli ,  Bahram Jalali ,  Janet Roveda

    IPC分类号： G06V20/50 ,  G08B7/00 ,  G06V10/82 ,  G01S17/08 ,  G01S17/86

    CPC分类号： G06V20/50 ,  G08B7/00 ,  G06V10/82 ,  G01S17/08 ,  G01S17/86

    摘要： A life-assisting system to enhance the quality of life for people with visual impairment. The system integrates state-of-the-art sensing and sensory stimulation with light detection and ranging (LiDAR), machine learning, and advanced haptic navigation to provide the visually impaired population with a real-time haptic map of the three-dimensional environment and auditory descriptions of objects within that environment. By allowing the visually impaired population to sense objects in the surrounding environment through haptic and auditory feedback, the disclosed system has the potential to promote individual independence, reduce anxiety and stress, facilitate access to educational and employment opportunities, and reduce social and economic gaps. To provide those benefits, the system uses multi-modal learning to convert higher dimensional (e.g., four-dimensional) scene data into lower dimensional (e.g., one-dimensional) auditory data and (e.g., two- or three-dimensional) haptic data.

    INTERLEAVED MULTI-PASS OPTICAL AMPLIFIER
    35.
    发明公开
    INTERLEAVED MULTI-PASS OPTICAL AMPLIFIER 审中-公开

    公开(公告)号：US20240039237A1

    公开(公告)日：2024-02-01

    申请号：US18245841

    申请日：2021-09-17

    申请人： Arizona Board of Regents on Behalf of the University of Arizona

    发明人： Yushi Kaneda

    IPC分类号： H01S3/23 ,  H01S3/10

    CPC分类号： H01S3/2341 ,  H01S3/10061 ,  H01S2301/02

    摘要： The described methods and devices minimize or reduce the effects of the leading amplified spontaneous emission component of an optical pulse in optical multi-pass amplifier systems. One multi-pass optical amplifier includes a gain medium positioned to receive a pump laser, and to receive an optical pulse having a main component and one or both of a leading or a trailing component. The optical amplifier also includes one or more reflectors positioned at a first side or at a second side of the gain medium that allow multi-pass propagation of the optical pulse through the gain medium. The one or more reflectors are positioned to allow the main component of the optical pulse to traverse through the gain medium in a first pass before the leading component of the optical pulse reaches the gain medium in a second pass through the gain medium.

    Kinematic optical mount with stabilizing locking clamp
    40.
    发明授权
    Kinematic optical mount with stabilizing locking clamp 有权

    公开(公告)号：US11846828B2

    公开(公告)日：2023-12-19

    申请号：US16969547

    申请日：2019-02-08

    申请人： Arizona Board of Regents on Behalf of the University of Arizona

    发明人： Laird M. Close ,  Maggie Y. Kautz

    IPC分类号： G02B7/182 ,  F16B2/06 ,  G02B7/18

    CPC分类号： G02B7/1825 ,  F16B2/065 ,  G02B7/181

    摘要： A stabilizing locking clamp for a kinematic optical mount includes a clamp plate configured for optical access and a plurality of clamp actuators affixed to the clamp plate. The clamp actuators are positioned such that each clamp actuator exerts a force on a front plate of the kinematic optical mount in a push-push configuration. A stabilizing kinematic optical mount includes a kinematic optical mount and a plurality of clamp arms, each clamp arm including a clamp actuator positioned to exert a force on a front plate of the kinematic optical mount in a push-push configuration. The stabilizing locking clamp and stabilizing kinematic optical mount reduce temperature-dependent and vibration-induced changes in pitch and yaw, thereby improving pointing stability for optical setups that rely on critical beam alignment.