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Pedometer

A technology of pedometer and computing unit, which is applied in the direction of instruments, measuring devices, surveying and navigation, etc., can solve the problems of poor stability, high cost, complicated judgment process, etc., and achieve the effect of accurate distinction

Inactive Publication Date: 2014-04-16
BEIJING CHOICE ELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the internal judgment process of the above-mentioned device is complicated, resulting in poor stability and high cost

Method used

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  • Pedometer

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Embodiment Construction

[0016] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0017] According to an embodiment of the present invention, the pedometer 100 includes a three-dimensional accelerometer 1 . The three-dimensional accelerometer 1 acquires accelerations in various directions. If the accelerations in the three directions are ax, ay, and az respectively, the three-dimensional accelerometer 1 will generate three signals corresponding to the acceleration values ​​after sensing the accelerations in the above three directions. After the signal is converted from analog to digital, the acceleration value in each direction can be obtained.

[0018] Wherein, the sampling frequency of the analog-to-digital conversion may be 100 Hz, and the precision may be 8 bits or 16 bits. Of course, higher sampling frequency and precision will give more accurate results.

[0019] In another embodiment, the three-dimensional accelerom...

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Abstract

The invention provides a pedometer which aims to overcome the defects of low stability and high cost since the internal judgment process of the existing pedometer capable of distinguishing running from walking is complex. The pedometer comprises a three-dimensional accelerometer and a computing unit, wherein the computing unit is used for acquiring acceleration change information in three directions according to acceleration information acquired by the three-dimensional accelerometer, and distinguishing a running state from a walking state according to the acceleration information and acceleration change information. The pedometer can quickly distinguish the running step counting state from the walking step counting state according to the acceleration and acceleration change state, and can also effectively remove interference of jumping, kicking and other motions, so that the distinguishing effect is more accurate.

Description

technical field [0001] The invention relates to an electronic health monitoring device, in particular to a pedometer. Background technique [0002] In daily life, people have to carry out various activities. During the activities, different groups of people need to correspond to different amounts of exercise for health management. Human physical activities, especially in planned fitness exercises, such as walking, running, and walking and running alternately occupy a crucial position, and walking and running are both healthy and very common physical activities. Real-time monitoring and management of walking speed is the basic premise to guide scientific fitness and maintain the balance of intake-expenditure energy. Similarly, in sports training, in order to achieve the best training effect of athletes, it is also necessary to measure their speed. [0003] In the prior art, the Chinese invention patent application with the application number CN200780007017 discloses a human...

Claims

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Application Information

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IPC IPC(8): G01C22/00
CPCG01C22/006
Inventor 刘树海徐峰王维虎
Owner BEIJING CHOICE ELECTRONICS TECH CO LTD
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