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Physical activity measuring system

A measurement system, technique of physical activity, applied in the direction of measuring devices, measuring distances, diagnostic recording/measurement, etc.

Inactive Publication Date: 2006-01-25
MATSUSHITA ELECTRIC WORKS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above solutions do not satisfactorily give an accurate motion intensity that truly represents the user's body motion

Method used

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Experimental program
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Embodiment Construction

[0031] refer to figure 1 , which shows a portable device 10 constituting an integrated physical activity measurement system according to a preferred embodiment of the present invention. The portable device 10 is designed to be carried by a user, and includes a housing 12 incorporating a body sensor 50 for sensing body movements of the user. The housing 12 also includes an indicator or display 20 consisting of an upper opening 21 , a lower opening 22 , a level indicator 23 , and a light 24 . Buttons 31 to 36 are also provided on the front of the housing 12 to realize the input function of data input by the user, and as will be described later, it is also possible to realize switching between various functions of the device. Such as Figure 4 As shown, the body sensor can be realized by a three-axis acceleration sensor 50, which generates acceleration signals in three directions, that is, a on the x-axis, y-axis and z-axis. x 、a y and a z .

[0032] Also incorporated into ...

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Abstract

A physical activity measuring system analyzes analyzing body motions of a user to accurately determine the exercise intensity. The system includes a portable device which is adapted to be carried by the user and is equipped with a body sensor and an indicator for indication of the exercise intensity. The body sensor senses the user's body motions to give corresponding motion strength. The portable device has a processor which constitutes an exercise calculator which has a predetermined relationship between a default standard deviation of the motion strength and an exercise intensity scale. The exercise intensity calculator collects a time series data of the motion strengths within a predetermined first time frame, obtains a standard deviation of thus collected motion strengths, and converting the standard deviation into an instant exercise intensity within the intensity scale in accordance with the predetermined relationship. The standard deviation with regard to the motion strengths can be well concordant with the exercise intensity, and therefore gives the accurate exercise intensity on a real-time basis.

Description

technical field [0001] The present invention relates to a physical activity measurement system, and more particularly to a self-contained portable system carried by a user to provide real-time exercise intensity of the user's physical activity. Background technique [0002] Japanese Patent Publication JP10-318779 discloses an exercise intensity progression storage device using a body sensor which provides electrical signals indicative of the user's body movements. To determine exercise intensity, the device includes a processor that converts body movement into steps taken to give a combination of the amplitude of the electrical signal and the number of steps. Then, the processor refers to the relationship that has been obtained between the combination and the exercise intensity range to obtain therein an exercise intensity within the range corresponding to the combination. However, the above solution does not satisfactorily give an accurate motion intensity that truly repre...

Claims

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Application Information

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IPC IPC(8): A61B5/11G01C22/00
Inventor 松村吉浩山本松树中村秀树山本泰子池田顺治三井雅之北堂正晴木寺和宪
Owner MATSUSHITA ELECTRIC WORKS LTD
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