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公开(公告)号:US11553575B2
公开(公告)日:2023-01-10
申请号:US17350017
申请日:2021-06-17
发明人: Takayuki Oidemizu , Kazuyuki Inoue , Ryosuke Kobayashi , Yurika Tanaka , Tomokazu Maya , Satoshi Komamine
IPC分类号: H05B47/115 , F21S8/00 , H04L67/12
摘要: A server apparatus includes a communication interface and a controller configured to transmit and receive information via the communication interface, wherein the controller is configured to transmit an instruction for controlling light emission by a plurality of floor coverings, each floor covering including a light emitting element, to the plurality of floor coverings based on positional information for a first point where a pedestrian is located in an area where the plurality of floor coverings are disposed and positional information for a second point different from the first point in the area.