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公开(公告)号：US12015845B2
公开(公告)日：2024-06-18
申请号：US17479584
申请日：2021-09-20
申请人： Apple Inc.
IPC分类号： H04N23/67 , G02B7/28 , G03B13/36 , H04N23/51 , H04N23/959
CPC分类号： H04N23/675 , G02B7/285 , G03B13/36 , H04N23/51 , H04N23/959
摘要： Various embodiments disclosed herein include techniques for operating a multiple camera system. In some embodiments, a primary camera may be selected from a plurality of cameras using object distance estimates, distance error information, and minimum object distances for some or all of the plurality of cameras. In other embodiments, a camera may be configured to use defocus information to obtain an object distance estimate to a target object closer than a minimum object distance of the camera. This object distance estimate may be used to assist in focusing another camera of the multi-camera system.
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公开(公告)号：US20230085042A1
公开(公告)日：2023-03-16
申请号：US17479426
申请日：2021-09-20
申请人： Apple Inc.
发明人： Abhishek Dhanda , Patrick A. Carroll , Yongjun Li
摘要： Various embodiments disclosed herein include techniques for operating a multiple camera system. In some embodiments, a primary camera may be selected from a plurality of cameras using object distance estimates, distance error information, and minimum object distances for some or all of the plurality of cameras. In other embodiments, a camera may be configured to use defocus information to obtain an object distance estimate to a target object closer than a minimum object distance of the camera. This object distance estimate may be used to assist in focusing another camera of the multi-camera system.
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公开(公告)号：US20210281726A1
公开(公告)日：2021-09-09
申请号：US17327014
申请日：2021-05-21
申请人： Apple Inc.
摘要： Methods and apparatus are disclosed for selecting a lens control mode for a camera in external magnetic fields or other types of non-magnetic interference. In embodiments, when the camera is activated, a test of a position sensor for the camera lens is performed by moving the camera lens through a range of positions and collecting values from the sensor. In embodiments, the sensor readings are analyzed to determine conditions such as (a) whether the sensor is saturated by an external magnetic field or non-magnetic interference, (b) whether the sensor's readings are within an error margin, and (c) whether a computed position offset for the sensor is valid. Based on the analysis, the camera is placed into a first control mode where movement of the lens is controlled using the position sensor, or a second control mode where lens movement is controlled without the position sensor.
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公开(公告)号：US11871098B2
公开(公告)日：2024-01-09
申请号：US17327014
申请日：2021-05-21
申请人： Apple Inc.
CPC分类号： H04N23/55 , H04N23/67 , H04N23/687 , H04N23/57
摘要： Methods and apparatus are disclosed for selecting a lens control mode for a camera in external magnetic fields or other types of non-magnetic interference. In embodiments, when the camera is activated, a test of a position sensor for the camera lens is performed by moving the camera lens through a range of positions and collecting values from the sensor. In embodiments, the sensor readings are analyzed to determine conditions such as (a) whether the sensor is saturated by an external magnetic field or non-magnetic interference, (b) whether the sensor's readings are within an error margin, and (c) whether a computed position offset for the sensor is valid. Based on the analysis, the camera is placed into a first control mode where movement of the lens is controlled using the position sensor, or a second control mode where lens movement is controlled without the position sensor.
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公开(公告)号：US11750922B2
公开(公告)日：2023-09-05
申请号：US17479426
申请日：2021-09-20
申请人： Apple Inc.
发明人： Abhishek Dhanda , Patrick A. Carroll , Yongjun Li
IPC分类号： H04N23/667 , H04N23/45 , H04N23/67
CPC分类号： H04N23/667 , H04N23/45 , H04N23/671
摘要： Various embodiments disclosed herein include techniques for operating a multiple camera system. In some embodiments, a primary camera may be selected from a plurality of cameras using object distance estimates, distance error information, and minimum object distances for some or all of the plurality of cameras. In other embodiments, a camera may be configured to use defocus information to obtain an object distance estimate to a target object closer than a minimum object distance of the camera. This object distance estimate may be used to assist in focusing another camera of the multi-camera system.
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公开(公告)号：US12063441B1
公开(公告)日：2024-08-13
申请号：US17024429
申请日：2020-09-17
申请人： Apple Inc.
发明人： Abhishek Dhanda , Jianping Zhou , Kevin A Gross , Santiago Alban
IPC分类号： H04N23/68 , G06F3/04883 , H04N23/63
CPC分类号： H04N23/687 , G06F3/04883 , H04N23/632 , H04N23/6812 , H04N23/683
摘要： Various embodiments include implementing optical image stabilization (OIS) in a camera module. For example, a controller may control an actuator of the camera module to move a lens group and/or an image sensor of the camera module to provide OIS movement. In various embodiments, OIS movement control is implemented according to a region-based blur reduction model that effects a greater reduction in blur associated with a target region of an image sensor, relative to one or more other regions of the image sensor.
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公开(公告)号：US20230094971A1
公开(公告)日：2023-03-30
申请号：US18061395
申请日：2022-12-02
申请人： Apple Inc.
发明人： Mark N. Gamadia , Abhishek Dhanda , Gregory Guyomarc'h , Andrew D. Fernandez , Moshe Laifenfeld
IPC分类号： H04N5/232
摘要： Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.
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公开(公告)号：US20230081349A1
公开(公告)日：2023-03-16
申请号：US17479584
申请日：2021-09-20
申请人： Apple Inc.
摘要： Various embodiments disclosed herein include techniques for operating a multiple camera system. In some embodiments, a primary camera may be selected from a plurality of cameras using object distance estimates, distance error information, and minimum object distances for some or all of the plurality of cameras. In other embodiments, a camera may be configured to use defocus information to obtain an object distance estimate to a target object closer than a minimum object distance of the camera. This object distance estimate may be used to assist in focusing another camera of the multi-camera system.
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公开(公告)号：US11523043B2
公开(公告)日：2022-12-06
申请号：US17485258
申请日：2021-09-24
申请人： Apple Inc.
发明人： Mark N. Gamadia , Abhishek Dhanda , Gregory Guyomarc'h , Andrew D. Fernandez , Moshe Laifenfeld
IPC分类号： H04N5/232
摘要： Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.
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公开(公告)号：US11202007B1
公开(公告)日：2021-12-14
申请号：US17024009
申请日：2020-09-17
申请人： Apple Inc.
发明人： Abhishek Dhanda , Santiago Alban
摘要： Various embodiments include camera movement control for reduced power consumption. Some embodiments, for example, may include operating a camera module in a power saving mode, in which focus movement control may be synchronized with frame capture. According to some examples, such synchronization may include holding a position (e.g., a focus position) of a lens group and/or an image sensor of the camera module during some integration time periods. Furthermore, such synchronization may include enabling power saving movement (e.g., between a focus position and a neutral position) of the lens group and/or the image sensor during some other time periods, such as during intervals (e.g., blanking intervals) between integration time periods, and/or during integration time periods for image frames that are expendable.
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