MOTION ANALYZING METHOD AND MOTION ANALYZING APPARATUS

• US 20150142374A1
• Filed: 10/31/2014
• Published: 05/21/2015
• Est. Priority Date: 11/15/2013
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: SHIBUYA, Kazuhiro
• Application Number:
  US14/529,716
• Publication Number:
  US 20150142374A1
• Time in Patent Office: Days
• US Class Current: 702/150
• CPC Class Codes: A61B 2503/10 Athletes
• CPC Class Codes: A61B 2505/09 Rehabilitation or training
• CPC Class Codes: A61B 5/1122 of movement trajectories
• CPC Class Codes: A61B 5/6895 Sport equipment
• CPC Class Codes: A63B 2071/0647 Visualisation of executed movements
• CPC Class Codes: A63B 2220/40 Acceleration
• CPC Class Codes: A63B 2220/51 Force
• CPC Class Codes: A63B 2220/833 Sensors arranged on the exercise apparatus or sports implement
• CPC Class Codes: A63B 24/0006 Computerised comparison for qualitative assessment of motion sequences or the course of a movement
• CPC Class Codes: A63B 69/3608 Attachments on the body, e.g. for measuring, aligning, restraining A63B69/0059, A63B69/3673 take precedence
• CPC Class Codes: G01B 21/00 Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
• CPC Class Codes: G01P 15/00 Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
• CPC Class Codes: G09B 19/0038 Sports

Abstract

A motion analyzing method includes: acquiring location information of at least one of a sporting tool and a subject in swing motion based on an inertial force generated by the swing motion in time series; acquiring analysis information of the swing motion based on the inertial force; acquiring a time when the analysis information is switched with respect to a preset threshold value; and correlating information of the time with the location information and outputting the information.

Claims

1. A motion analyzing method comprising:

determining location information of at least one of a sporting tool and a subject in swing motion in time series based on an inertial force generated by the swing motion;

determining analysis information of the swing motion based on the inertial force;

determining a time when the analysis information is switched with respect to a preset threshold value; and

correlating information of the time with the location information and outputting the information.

2. The motion analyzing method according to claim 1, wherein the analysis information is position data of the sporting tool in the swing motion.

3. The motion analyzing method according to claim 1, wherein the outputting includes correlating the information of the time with a path trace of the swing motion drawn in time series based on the location information and outputting the information.

4. The motion analyzing method according to claim 3, wherein display of the path trace is visually changed between before and after the time.

5. The motion analyzing method according to claim 3, further comprising determining a state change of swing before and after the time,

wherein the outputting includes changing display of the path trace in response to the state change.

6. The motion analyzing method according to claim 3, further comprising determining a quality of the swing before and after the time,

wherein the outputting includes changing display of the path trace in response to the quality.

7. A motion analyzing method comprising:

determining location information of at least one of a sporting tool and a subject in swing motion in time series based on an inertial force generated by the swing motion;

determining analysis information of the swing motion based on the inertial force and generating a graph of the analysis information; and

correlating information of the graph with a path trace of the swing motion displayed in time series based on the location information and outputting the information.

8. A motion analyzing apparatus comprising:

a detection unit that determines location information of at least one of a sporting tool and a subject in swing motion in time series based on an inertial force generated by the swing motion;

an analysis information calculation unit that determines analysis information of the swing motion based on the inertial force;

a timing unit that determines a time when the analysis information is switched with respect to a preset threshold value; and

a correlation unit that correlates information of the time with the location information and outputs the information.

9. The motion analyzing apparatus according to claim 8, further comprising a unit that correlates the information of the time with a path trace of the swing motion displayed in time series based on the location information and outputs the information.

10. The motion analyzing apparatus according to claim 9, wherein display of the path trace is changed between before and after the time.

11. A motion analyzing method comprising:

determining an inertial force generated in time series by a swing motion of a sporting tool from an inertial sensor on the sporting tool;

determining location information of the sporting tool in time series through the swing motion based on the determined inertial force;

determining an energy change rate of the swing motion based on the determined inertial force;

determining a time when the energy change rate is switched with respect to a preset threshold value; and

correlating information of the time with the location information and the energy change rate, and displaying the location information, the information of the time and the energy change rate together.