Emergency Call Method and Apparatus, and System
AssigneeHuawei Technologies Co., Ltd.
InventorsXuehuan Wang, Chao Li, Xiujiang Ma
Life of this patent
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Abstract
An emergency call method applied to a vehicle-mounted communications system and the method includes a telematics box that activates a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is coupled to the first transmission node, and the telematics box may perform data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.
Claims20
A communication method comprising:
- activating, by a telematics box, a host function comprising a function of controlling a first transmission node coupled to the telematics box and a peripheral coupled to the first transmission node;
- detecting, by the telematics box, that the first transmission node has switched from a slave node mode to a master node mode:
- and
- performing, by the telematics box after determining that the first transmission node has switched from the slave node mode to the master node, mode, data transmission with the first transmission node.
A communication method comprising:
- switching, by a first transmission node, from a slave node mode to a master node mode;
- performing, by the first transmission node, data transmission with a telematics box;
- and
- undergoing, by the first transmission node, control through a host function of the telematics box.
An apparatus comprising:
- memory configured to store program instructions;
- and
- a processor coupled to the memory, wherein the program instructions cause the processor to be configured to:
- activate a host function comprising a function of controlling a first transmission node coupled to a telematics box and a peripheral coupled to the first transmission nodes;
- detecting that the first transmission note has switched from a slave node mode to a master node mode;
- and
- perform, after determining that the first transmission node has switched from the slave node mode to the master nod mode, data transmission with the first transmission node.
Dependencies are inferred from the claim text.