Electronic fence detection method and electronic equipment
A technology for electronic equipment and electronic fences, which is applied in radio wave measurement systems, measurement devices, satellite radio beacon positioning systems, etc. Effect
Active Publication Date: 2021-07-20
HUAWEI TECH CO LTD
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Problems solved by technology
[0004] In the above-mentioned electronic fence detection process, the frequency of electronic fence detection by electronic equipment is related to the preset value. When the preset value is larger, the range of electronic fence detection performed by electronic equipment at a higher frequency is larger, resulting in power consumption of electronic equipment. Increase
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[0058] With the continuous development of technology, wearable devices are becoming more and more popular. As a functional selling point of positioning products, the electronic fence function has been more and more applied to wearable products such as children's watches and bracelets. When children, the elderly, patients or pets wearing such electronic devices enter or step out of the electronic fence, the electronic device will send out an alarm to remind the wearer. For example, see figure 1 , figure 1 It is the schematic diagram of the current geo-fence alarm. Please refer to figure 1 , the area shown by the dotted circle in the figure is the electronic fence area, and the dotted circle is the boundary of the electronic fence, that is, the boundary of the electronic fence area. When the electronic device enters the electronic fence area or steps out of the electronic fence area with the user, it sends out an alarm to remind the user .
[0059] When the electronic fence ...
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The present application provides a method for detecting an electronic fence and an electronic device. The first electronic device obtains the first coordinates through a locator at a first time point, and determines the shortest distance between the first electronic device and the boundary of the electronic fence according to the first coordinates. And starting from the first time point, detect the straight-line distance between the current position of the first electronic device and the first coordinate, until the difference between the straight-line distance and the shortest distance is detected to be greater than or equal to the preset condition, trigger the first electronic device to execute GPS positioning (that is, GPS locator to obtain coordinates). In this process, by comparing the displacement and the shortest distance of the electronic device, GPS positioning is triggered, unnecessary work of the locator is reduced, and the purpose of reducing the power consumption of the electronic fence detection by the first electronic device is achieved.
Description
technical field [0001] The embodiments of the present application relate to the technical field of positioning, and in particular to a method for detecting an electronic fence and an electronic device. Background technique [0002] The electronic fence function refers to setting an area. When the electronic equipment enters and / or steps out of the area, the electronic equipment sends out an alarm. This alarm behavior is called an electronic fence alarm. At present, the electronic fence function, as a functional selling point of positioning products, has been more and more applied to wearable products such as children's watches. [0003] Usually, the electronic fence function requires a locator (such as a global positioning system (global positioning system, GPS) locator) to locate the position coordinates of the electronic device, and determine whether the current position of the electronic device is within the specified area or outside the specified area. The current posit...
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IPC IPC(8): G08B13/12G01S19/02G01B21/02
CPCG01B21/02G01S19/02G08B13/122
Inventor 王伟刚薛清风姚红涛
Owner HUAWEI TECH CO LTD