Hall sensor—magnet geometry for large stroke linear position sensing

    公开(公告)号:US11946775B2

    公开(公告)日:2024-04-02

    申请号:US17628905

    申请日:2021-07-26

    CPC classification number: G01D5/145

    Abstract: Position sensing units, comprising a magnetic assembly (MA) having a width W measured along a first direction and a height H measured along a second direction and including at least three magnets having respective magnetic polarizations that define along the first direction at least a left MA domain, a middle MA domain and a right MA domain, wherein the magnetic polarizations of each MA domain are different, and a magnetic flux measuring device (MFMD) for measuring a magnetic flux B, wherein the MA moves relative to the MFMD along the first direction within a stroke L that fulfils 1 mm≤L≤100 mm, stroke L beginning at a first point x0 and ending at a final point xmax, and wherein a minimum value Dmin of an orthogonal distance D, measured along the second direction between a particular MA domain and the MFMD, fulfills L/Dmin>10.

    COMPACT DOUBLE FOLDED TELE CAMERAS
    22.
    发明公开

    公开(公告)号:US20230308737A1

    公开(公告)日:2023-09-28

    申请号:US18324982

    申请日:2023-05-28

    CPC classification number: H04N23/55

    Abstract: In some embodiments there are disclosed folded camera modules comprising a lens with 6 lens elements divided into two lens groups G1 and G2 and an effective focal length EFL, an object side-optical path folding element O-OPFE, an image side-optical path folding element I-OPFE and an image sensor, wherein G1 is located at an object side of the O-OPFE and G2 is located at an image side of the O-OPFE, wherein 8 mm 0.9. In some embodiments, there are disclosed folded camera modules comprising a lens with N=4 lens elements having a lens thickness TLens and a total track length TTL, an I-OPFE and an O-OPFE, wherein the EFL is in the range of 8 mm

    FOLDED MACRO-TELE CAMERA LENS DESIGNS
    24.
    发明公开

    公开(公告)号:US20230148183A1

    公开(公告)日:2023-05-11

    申请号:US17614380

    申请日:2021-07-14

    Abstract: Folded digital cameras comprising a lens system with a lens and an image sensor, the lens having N≥6 lens elements Li, an effective focal length (EFL) and a total track length (TTL), wherein each lens element has a respective focal length fi and wherein a first lens element L1 faces an object side, and an optical path folding element (OPFE) for providing a folded optical path between an object and the lens. In some embodiments, the lens system has a focusing range that covers object-lens distances from infinity to a minimal object distance (MIOD), wherein MIOD/EFL is smaller than 20 or even 7. In some embodiments, the ratio of a maximal chief ray angle to a field of view of the folded camera Max CRA/FOV is smaller than 0.25 or even 0.15 when the camera is focused at infinity.

    Hall sensor—magnet geometry for large stroke linear position sensing

    公开(公告)号:US12247851B2

    公开(公告)日:2025-03-11

    申请号:US18591012

    申请日:2024-02-29

    Abstract: Position sensing units, comprising a magnetic assembly (MA) having a width W measured along a first direction and a height H measured along a second direction and including at least three magnets having respective magnetic polarizations that define along the first direction at least a left MA domain, a middle MA domain and a right MA domain, wherein the magnetic polarizations of each MA domain are different, and a magnetic flux measuring device (MFMD) for measuring a magnetic flux B, wherein the MA moves relative to the MFMD along the first direction within a stroke L that fulfils 1 mm≤L≤100 mm, stroke L beginning at a first point x0 and ending at a final point xmax, and wherein a minimum value Dmin of an orthogonal distance D, measured along the second direction between a particular MA domain and the MFMD, fulfills L/Dmin>10.

    SLIM POP-OUT WIDE CAMERA LENSES
    27.
    发明申请

    公开(公告)号:US20250047965A1

    公开(公告)日:2025-02-06

    申请号:US18926347

    申请日:2024-10-25

    Abstract: Pop-out lens systems for compact digital cameras, comprising an image sensor and a lens with a field of view FOV>60 deg and having i lens elements L1-Li starting with L1 from an object side toward an image side, each lens element Li having a respective focal length fi,, the lens elements divided into two lens groups G1 and G2 separated by a big gap (BG), the lens having a pop-out total track length TTL 0.25×TTL, wherein either G1 can move relative to G2 and to the image sensor for focusing or G1 and G2 can move together relative to the image sensor for focusing, and wherein a ratio c-TTL/TTL

    POP-OUT ZOOM CAMERA
    28.
    发明申请

    公开(公告)号:US20240411209A1

    公开(公告)日:2024-12-12

    申请号:US18808132

    申请日:2024-08-19

    Abstract: Cameras with OIS capable of performing multi zoom super macro photography and handheld electronic devices comprising such cameras. A camera may include a lens comprising N lens elements L1-LN divided into two or more lens groups arranged along a lens optical axis starting with L1 on an object side and ending with LN on an image side, adjacent lens groups separated by a respective air-gap d1 along the lens optical axis; an image sensor with a sensor diagonal SD between 7 and 20 mm separated from lens element LN by an air-gap d2 along the lens optical axis; and an actuator for controlling air-gaps d1 and d2 to switch the camera between M≥1 operative pop-out states and a collapsed state and to focus the camera on an object at an object-lens distance of less than 30 cm.

    FOLDED MACRO-TELE CAMERA LENS DESIGNS

    公开(公告)号:US20240377620A1

    公开(公告)日:2024-11-14

    申请号:US18754283

    申请日:2024-06-26

    Abstract: Folded digital cameras comprising a lens system with a lens and an image sensor, the lens having N≥6 lens elements Li, an effective focal length (EFL) and a total track length (TTL), wherein each lens element has a respective focal length fi and wherein a first lens element L1 faces an object side, and an optical path folding element (OPFE) for providing a folded optical path between an object and the lens. In some embodiments, the lens system has a focusing range that covers object-lens distances from infinity to a minimal object distance (MIOD), wherein MIOD/EFL is smaller than 20 or even 7. In some embodiments, the ratio of a maximal chief ray angle to a field of view of the folded camera Max CRA/FOV is smaller than 0.25 or even 0.15 when the camera is focused at infinity.

    FOLDED CAMERA LENS DESIGNS
    30.
    发明公开

    公开(公告)号:US20240345372A1

    公开(公告)日:2024-10-17

    申请号:US18755732

    申请日:2024-06-27

    CPC classification number: G02B13/0065 G02B9/64 G02B13/0045

    Abstract: Folded cameras with a total track length (TTL), f numbers smaller than 1.2 and large fields of view, e.g. of at least 60 degrees. Such folded cameras may comprise a lens with N≥7 lens elements, an image sensor and an optical path folding element for providing a folded optical path between an object and the lens, wherein an aperture stop of the lens is located closer to a first surface of the first lens element facing the object than a distance d that fulfills d/TTL=0.2.

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