- 专利标题： Broadcast receiving device, method of operating broadcast receiving device, linking device for linking to broadcast receiving device, and method of operating linking device
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申请号： US17466802申请日： 2021-09-03
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公开(公告)号： US11617007B2公开(公告)日： 2023-03-28
- 发明人: Jinwon Lee , Seungryul Yang , Woosuk Ko , Sungryong Hong , Minsung Kwak , Kyoungsoo Moon , Seungjoo An
- 申请人： LG ELECTRONICS INC.
- 申请人地址： KR Seoul
- 专利权人： LG ELECTRONICS INC.
- 当前专利权人： LG ELECTRONICS INC.
- 当前专利权人地址： KR Seoul
- 代理机构： Birch, Stewart, Kolasch & Birch, LLP
- 主分类号： H04N21/43
- IPC分类号： H04N21/43 ; H04N21/436 ; H04N21/478 ; H04N21/2362 ; H04N21/41 ; H04N21/462 ; H04N21/81 ; H04N21/8543 ; H04N21/858
摘要：
A companion device interoperating with a broadcast reception device for receiving a broadcast signal, can include a communication device configured to connect the companion device with the broadcast reception device, in which the broadcast signal includes emergency alert information and service information for a broadcast service, and the service information includes service identification information for identifying the broadcast service and name information of the broadcast service, and the emergency alert information and the service information are carried in Internet Protocol (IP) packets having a same IP address; and a controller configured to receive the emergency alert information from the broadcast reception device, the emergency alert information including identifier information for the emergency alert information, category information of the emergency alert information, and priority information for the emergency alert information, and the controller receiving information for components of the broadcast service.
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