Golf swing assist apparatus and golf swing assist method

Abstract

The golf swing assist apparatus 1 includes a light emitting part 10, light receiving parts 20, a determination unit 30 and an output unit 40. The light emitting part 10 configured to emit a laser beam BM1 along a boundary plane SP0 that demarcates whether a trajectory 200 of a golf club GC1 is in a set area AR1 or not. The light receiving parts 20 are located at an irradiation position P0 of the laser beam BM1 along the boundary plane SP0 and are configured to detect whether the laser beam BM1 toward the irradiation position P0 is being blocked or not. The determination unit 30 is configured to determine a swing state of a player PL1 on a basis of a detection result by the light receiving parts 20. The output unit 40 is configured to output a determination result of the swing state.

1 . A golf swing assist apparatus, comprising:
 a light emitting part configured to emit a laser beam along a boundary plane that demarcates whether a trajectory of a golf club is in a set area or not;   light receiving parts located at an irradiation position of the laser beam along the boundary plane, the light receiving parts configured to detect whether the laser beam toward the irradiation position is being blocked or not;   a determination unit configured to determine a swing state of a player on a basis of a detection result by the light receiving parts; and   an output unit configured to output a determination result of the swing state.   
     
     
         2 . The golf swing assist apparatus according to  claim 1 , wherein
 the light emitting part is configured to emit the laser beam having a linear irradiation range through the light receiving parts.   
     
     
         3 . The golf swing assist apparatus according to  claim 1 , wherein
 there are a plurality of the boundary planes including a front boundary plane on a front side of the set area and a rear boundary plane on a rear side of the set area, and   the determination unit is configured to determine the swing state on a basis of the detection result by the light receiving parts located on the front boundary plane and the detection result by the light receiving parts located on the rear boundary plane.   
     
     
         4 . The golf swing assist apparatus according to  claim 1 , wherein
 the light receiving parts are located along a floor surface in the boundary plane,   the light emitting part is located at a higher position than the light receiving parts, and   assuming that a launching area is an area where a golf ball is flown toward from a predetermined golf ball position in the set area and a start area is opposite to the launching area in a horizontal direction along the boundary plane, the light emitting part is located in the start area, and the light receiving parts are located in the launching area.   
     
     
         5 . The golf swing assist apparatus according to  claim 1 , further comprising:
 a tilt adjustment mechanism that can adjust an angle of the boundary plane to the floor surface, and   a height adjustment mechanism that can adjust a height of the light emitting part on the boundary plane.   
     
     
         6 . The golf swing assist apparatus according to  claim 1 , wherein
 the determination unit is configured to determine, as the swing state, whether the trajectory crossed the boundary plane on a way of the trajectory on the basis of the detection result by the light receiving parts, and   the output unit is configured to output the determination result including whether the trajectory crossed the boundary plane on the way or not.   
     
     
         7 . The golf swing assist apparatus according to  claim 6 , wherein
 the determination unit is configured to determine which of states the swing state includes on the basis of the detection result by the light receiving parts, the states including a first change state where the trajectory changes from the set area to a non-set area by crossing the boundary plane on the way and a second change state where the trajectory changes from the non-set area to the set area by crossing the boundary plane on the way, and   the output unit is configured to output the determination result of the swing state including the first change state and the second change state.   
     
     
         8 . The golf swing assist apparatus according to  claim 1 , further comprising:
 a golf club passing detection unit configured to detect a movement of the golf club so as to enable a determination of a follow-through, wherein   the determination unit is configured to determine the follow-through on a basis of a detection result by the golf club passing detection unit, and   the determination unit is configured not to use the detection result by the light receiving parts after determining the follow-through for determining the swing state.   
     
     
         9 . The golf swing assist apparatus according to  claim 8 , wherein
 the golf club passing detection unit includes sensors that detect passing of the golf club at respective positions where the golf club passes in swinging, and   the determination unit is configured to determine the follow-through on a basis of a detection order of passing of the golf club by the sensors.   
     
     
         10 . The golf swing assist apparatus according to  claim 1 , further comprising:
 a golf club passing detection unit configured to detect a movement of the golf club so as to enable a determination of a swing start, and   an irradiation device configured to irradiate a floor surface with a visible laser beam that streams in a hitting direction along a swing line through a predetermined golf ball position in the set area, wherein   the determination unit is configured to determine the swing start on a basis of a detection result by the golf club passing detection unit, and   the determination unit is configured to cause the irradiation device to irradiate the floor surface with the visible laser beam that streams in the hitting direction so that the irradiation device can irradiate the golf ball position with the visible laser beam at an elapse of a set timing from the swing start.   
     
     
         11 . The golf swing assist apparatus according to  claim 10 , wherein
 the irradiation device is configured to irradiate the floor surface with a second visible laser beam so that a linear reference line crossing the swing line through the golf ball position can appear.   
     
     
         12 . The golf swing assist apparatus according to  claim 1 , wherein
 the output unit includes an aerial display that causes an aerial display screen to appear ahead of the set area with reference to an address position of the player, and   the output unit is configured to cause the aerial display to display the determination result.   
     
     
         13 . The golf swing assist apparatus according to  claim 1 , further comprising:
 a player detection unit configured to detect whether the player is present at the address position of the player or not; and   an emission control unit configured to cause the light emitting part to emit the laser beam when the player detection unit detects that the player is present at the address position, the emission control unit being configured to cause the light emitting part to stop emitting the laser beam when the player detection unit detects that the player is not present at the address position.   
     
     
         14 . A golf swing assist method, comprising:
 an emission step of a light emitting part emitting a laser beam along a boundary plane that demarcates whether a trajectory of a golf club is in a set area or not;   a detection step of light receiving parts detecting whether the laser beam toward an irradiation position is being blocked or not, the light receiving parts being located at the irradiation position of the laser beam along the boundary plane;   a determination step of determining a swing state of a player on a basis of a detection result by the light receiving parts; and   an output step of outputting a determination result of the swing state.