Swing analyzing device, swing analyzing program, and recording medium

Abstract

A swing analyzing device includes at least an angular velocity sensor, a data acquiring unit, and a motion detecting unit. The angular velocity sensor detects angular velocities generated about a plurality of axes by a swing. The data acquiring unit acquires detection data of the angular velocity sensor. The motion detecting unit detects at least one of motions of the swing. Particularly, the motion detecting unit includes an angular velocity calculating unit which calculates the sum of the magnitudes of the angular velocities generated about the plurality of respective axes using the acquired detection data.

What is claimed is: 
     
         1 . A swing analyzing device comprising:
 a data acquiring unit which acquires detection data based on an angular velocity generated by a swing; and   a motion detecting unit which detects at least a part of a motion of the swing, wherein   the motion detecting unit detects an impact during the swing based on the detection data, and   the motion detecting unit detects the motion of the swing based on the impact.   
     
     
         2 . The swing analyzing device according to  claim 1 , wherein
 the motion detecting unit detects a timing at which the angular velocity is maximal at the impact.   
     
     
         3 . The swing analyzing device according to  claim 1 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a local minimum at a top of the swing before the impact.   
     
     
         4 . The swing analyzing device according to  claim 2 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a local minimum at a top of the swing before the impact.   
     
     
         5 . The swing analyzing device according to  claim 1 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a first threshold value or less as a top interval.   
     
     
         6 . The swing analyzing device according to  claim 2 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a first threshold value or less as a top interval.   
     
     
         7 . The swing analyzing device according to  claim 3 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a second threshold value or less as a start of the swing.   
     
     
         8 . The swing analyzing device according to  claim 4 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a second threshold value or less as a start of the swing.   
     
     
         9 . The swing analyzing device according to  claim 5 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a second threshold value or less as a start of the swing.   
     
     
         10 . The swing analyzing device according to  claim 6 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a second threshold value or less as a start of the swing.   
     
     
         11 . The swing analyzing device according to  claim 1 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a local minimum after the impact as a finish of the swing.   
     
     
         12 . The swing analyzing device according to  claim 2 , wherein
 the motion detecting unit detects a timing at which the angular velocity is a local minimum after the impact as a finish of the swing.   
     
     
         13 . The swing analyzing device according to  claim 7 , wherein
 the motion detecting unit detects a first timing at which the angular velocity is a third threshold value or less after the impact as a finish of the swing.   
     
     
         14 . The swing analyzing device according to  claim 8 , wherein
 the motion detecting unit detects a first timing at which the angular velocity is a third threshold value or less after the impact as a finish of the swing.   
     
     
         15 . The swing analyzing device according to  claim 9 , wherein
 the motion detecting unit detects a first timing at which the angular velocity is a third threshold value or less after the impact as a finish of the swing.   
     
     
         16 . The swing analyzing device according to  claim 10 , wherein
 the motion detecting unit detects a first timing at which the angular velocity is a third threshold value or less after the impact as a finish of the swing.   
     
     
         17 . The swing analyzing device according to  claim 13 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a fourth threshold value or less after the impact as a finish interval.   
     
     
         18 . The swing analyzing device according to  claim 14 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a fourth threshold value or less after the impact as a finish interval.   
     
     
         19 . The swing analyzing device according to  claim 15 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a fourth threshold value or less after the impact as a finish interval.   
     
     
         20 . The swing analyzing device according to  claim 16 , wherein
 the motion detecting unit specifies a continuous interval in which the angular velocity is a fourth threshold value or less after the impact as a finish interval.   
     
     
         21 . The swing analyzing device according to  claim 1 , wherein
 the motion detecting unit calculates a time of the motion of the swing based on the motion of the swing detected by the motion detecting unit.   
     
     
         22 . The swing analyzing device according to  claim 2 , wherein
 the motion detecting unit calculates a time of the motion of the swing based on the motion of the swing detected by the motion detecting unit.   
     
     
         23 . The swing analyzing device according to  claim 1 , wherein
 the swing is a golf swing.   
     
     
         24 . The swing analyzing device according to  claim 2 , wherein
 the swing is a golf swing.   
     
     
         25 . The swing analyzing device according to  claim 23 , wherein
 the motion detecting unit detects the motion from a start of the swing, a back swing, a top, a down swing, the impact, a follow through, through to a finish of the swing.   
     
     
         26 . The swing analyzing device according to  claim 24 , wherein
 the motion detecting unit detects the motion from a start of the swing, a back swing, a top, a down swing, the impact, a follow through, through to a finish of the swing.   
     
     
         27 . A swing analyzing system comprising:
 an angular velocity sensor which detects an angular velocity generated by a swing; and   an analyzing device having:
 a data acquiring unit which acquires detection data of the angular velocity sensor; and 
 a motion detecting unit which detects at least a part of a motion of the swing, wherein 
   the motion detecting unit detects an impact in the swing based on the detection data, and the motion detecting unit detects the motion of the swing based on the impact.   
     
     
         28 . The swing analyzing system according to  claim 27 , wherein
 the angular velocity sensor is mountable on at least one of a user's hand, a glove, and swing equipment.   
     
     
         29 . A swing analyzing method comprising:
 acquiring detection data based on an angular velocity generating by a swing; and   detecting at least a part of a motion of the swing, wherein   in the detecting, an impact in the swing is detected based on the detection data so that the motion of the swing is detected based on the impact.   
     
     
         30 . A swing analyzing program, embodied on a non-transitory computer readable medium, causing a computer to perform the following functions:
 acquiring detection data based on an angular velocity generated by a swing; and   detecting at least a part of a motion of the swing, wherein   in the detecting, an impact in the swing is detected based on the detection data so that the motion of the swing is detected based on the impact.