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Distance measurement method and device

A detector and position information technology, applied in the electronic field, can solve the problems of inconvenient ranging accuracy, inability to dynamically calibrate the position of mobile phones, and radar ranging errors.

Inactive Publication Date: 2016-06-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the position of the mobile terminal changes at any time when the user is using the mobile terminal, it is impossible to dynamically calibrate the position of the mobile phone, resulting in errors in radar ranging, which is not convenient for the accuracy of ranging

Method used

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  • Distance measurement method and device
  • Distance measurement method and device

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] The executing subject provided in the embodiment of the present invention may be a device for measuring distance, or a portable electronic device for performing the above distance measuring method. Specifically, the portable electronic device can be a smart TV, a smart phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (English: Ultra-mobile Personal Computer, UMPC for short), a netbook, a personal digital assistant (English...

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Abstract

The embodiment of the invention provides a distance measurement method and device, and relates to the field of the electronic technology. The distance measurement method and device are able to accurately measure the relative positions between the distance measurement device and barriers, corresponding to the distance measurement device, in a radar detection area. The distance measurement device comprises: a general USB interface being connected to a radar detector arranged outside of the device and being configured to receive radar signals from the radar detector, radar signals being generated by detecting the radar detection area through the radar detector; a sensor controller being configured to receive the radar signals from a USB interface and position information collected by a sensing module, buffer the radar signals and the position information and send the radar signals and the position information to a processor; and the processor being configured to receive the radar signals and the position information from the sensor controller and determine the relative positions between the distance measurement device and the barriers in the radar detection area according to the radar signals and the position information.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a distance measuring method and a distance measuring device. Background technique [0002] With the rapid development of mobile terminal technology, mobile terminals have become an indispensable communication tool in people's daily life. And with the diversity of applications supported by the mobile terminal and the convenience of use, the user can also use the mobile terminal while taking a vehicle (such as a bus) or walking. However, when the user lowers his head to use the mobile terminal while walking, since the user is paying attention to the screen of the mobile terminal at this time, when there are obstacles (such as utility poles, pedestrians, vehicles, steps or ditch, etc.) in front of / below the user , if the user does not notice it in time, it will cause the user to collide, thus posing a safety hazard. [0003] In order to solve the above-mentioned problems, the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/08
CPCG01S13/08
Inventor 杨兴赖中德韩晓征
Owner HUAWEI TECH CO LTD
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