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公开(公告)号：US10247909B2
公开(公告)日：2019-04-02
申请号：US15802612
申请日：2017-11-03
Applicant: Axis AB
Inventor： Kent Fransson , Bjorn Berglund
Abstract: Focusing of a monitoring camera (100) with day and night functionality comprises selecting a focusing day mode or a focusing night mode based on the camera being in day mode or night mode. In focusing day mode, an IR laser range meter (110) will measure a reference distance continuously, and in the focusing night mode the IR laser range meter will only measure reference distance in response to a focus trigger signal being activated, and during a predetermined time period. The focus distance of the camera is set based on the measured reference distance.
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公开(公告)号：US11115619B2
公开(公告)日：2021-09-07
申请号：US16717916
申请日：2019-12-17
Applicant: Axis AB
Inventor： Sebastian Hultqvist , Bjorn Berglund
Abstract: A method and apparatus for storing video data includes three or more cameras and a storage space. The storage space is partitioned into an initial set of allotted portions for storing video data captured by the video cameras. A video quality value is set for encoding video by each camera, and it is periodically determined whether maintaining the video quality value would cause the camera to exceed the allotted portion of storage space. If it is determined that the amount of video data for a camera exceeds its allotment of space, the video quality is reduced. If it is determined that the video quality from a camera falls below a quality threshold, the storage space is re-partitioned into which increased storage space is allotted to the camera having a video quality that falls below the threshold value, and decreased storage space is allotted to at least one other camera.
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公开(公告)号：US11290707B2
公开(公告)日：2022-03-29
申请号：US16720987
申请日：2019-12-19
Applicant: Axis AB
Inventor： Bjorn Berglund , Joacim Tullberg
Abstract: A method for carrying out a health check of at least two cameras comprising the steps of initiating a health check process and checking, in response to the initiating step, for motion events stored in a database storing motion events, for each of the two cameras. If the checking for motion events indicates that a motion event has been stored in the database for one of the at least two cameras, then the method further comprises the steps of selecting a motion event found when checking for motion events stored in the database and retrieving a video clip corresponding to the selected motion event, captured by the one of the at least two cameras. The method further comprises the step of displaying the retrieved video clip together with a corresponding camera identification for evaluation.
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