WO2023275823A1 - Aim alignment device - Google Patents

Aim alignment device Download PDF

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Publication number
WO2023275823A1
WO2023275823A1 PCT/IB2022/056120 IB2022056120W WO2023275823A1 WO 2023275823 A1 WO2023275823 A1 WO 2023275823A1 IB 2022056120 W IB2022056120 W IB 2022056120W WO 2023275823 A1 WO2023275823 A1 WO 2023275823A1
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WO
WIPO (PCT)
Prior art keywords
alignment device
aim
aim alignment
lines
projector
Prior art date
Application number
PCT/IB2022/056120
Other languages
French (fr)
Inventor
Christoffel Johannes Henze DE WET
Original Assignee
De Wet Christoffel Johannes Henze
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by De Wet Christoffel Johannes Henze filed Critical De Wet Christoffel Johannes Henze
Publication of WO2023275823A1 publication Critical patent/WO2023275823A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B57/00—Golfing accessories
    • A63B57/30—Markers
    • A63B57/357—Markers for golf cups or holes, e.g. flags
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B57/00—Golfing accessories
    • A63B57/40—Golf cups or holes
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3676—Training appliances or apparatus for special sports for golf for putting
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/023—Supports, e.g. poles
    • A63B2071/024—Supports, e.g. poles with screws or pins in the earth
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B2071/0694—Visual indication, e.g. Indicia
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/10—Positions
    • A63B2220/16—Angular positions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/74—Miscellaneous features of sport apparatus, devices or equipment with powered illuminating means, e.g. lights

Definitions

  • This invention relates to an aim alignment device more particularly an aim alignment device for use while playing a shot in golf.
  • patent number US7112145B2 entitled “Golf training device” in the name of Mark Gaddy describes a golf training device that assists a golfer in sighting the direction to hit, and in the proper alignment of his body with respect to the golf ball.
  • the device has a housing for mounting at least two lasers having a vertical element that provides vertical support for the lasers, a base element that enables at least a portion of the housing to be oriented to a desired sighting, and a spike for stabilizing the housing.
  • Each of the lasers has a diffraction optical element that converts a laser beam into a planar arc of light which when projected onto a surface, such as the ground, produces a laser line.
  • the diffraction optical elements are oriented orthogonal to each other and the resulting lines produced by the lasers are orthogonal.
  • One of the laser lines provides feet alignment and the other provides a feet to ball laser reference line.
  • United states patent number US7727079B1 entitled “Laser golf alignment device and method” in the name of John A. Kuhlman, Jr. describes a portable, expandable laser golf training device that can be placed on the ground to provide alignment.
  • the present invention can supply a plurality of light beams produced by lasers or other light sources, switchable on and off, that can be projected along the ground both in the direction of play and perpendicular to it. In a folded configuration, the device can project in four directions creating a pair of axis lines running at right angles to each other.
  • one of the major axis lines can be separated into two parallel lines for putting alignment by sliding the halves of the device apart.
  • the device can be used by placing it on the ground in front of the golfer (between the golfer's feet and the ball. Two lines project outward perpendicular to the direction of play, and two or four lines project into and away from the direction of play. These lines provide alignment for the golfer.
  • Various combinations of beams on or off can be selected by a selector switch under control of the user.
  • the device can contain a rechargeable battery.
  • an aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a surface, the lines being used to aid in taking aim at a target.
  • the projector may be a laser projector which converts a laser beam into a number of radial lines as well as concentric circle lines so that the radial lines cross the concentric circles lines to form a circular grid shape.
  • the laser beam may be converted into only a number of radial lines or only a number of concentric circles.
  • the housing may be connected to a surface engager such as a peg or a tripod having extendable legs.
  • the surface engager may be shaped to be inserted into a complementary receptacle formed in a cup in a putting green to replace the flagstick.
  • the surface engager may be shaped to be inserted into a receptacle formed in a portable putting practice device.
  • the housing may have a connector which can be used to connect the housing to objects other than a surface engager.
  • the circular grid may be enlarged or decreased manually or automatically.
  • the number of radial lines may be increased or reduced as required.
  • the number of concentric circles may be increased or reduced as required.
  • the housing may include a processing unit connected to an input device.
  • the input device may be used to record data to be read into the processing unit.
  • Data recorded by the input device can be data relating to speed or direction of an object approaching or passing by.
  • the processing unit may further incorporate a wireless communications module to communicate with a remote device such as a mobile device or any other appropriate device.
  • the circular grid is not limited to only displaying a series of radial lines or concentric circles and other shapes, such as arrows, guidelines or the like can be projected onto the surface.
  • the invention also provides for specific lines to differ in colour from other lines, and specific shapes can be filled with a variety of colours.
  • a golf aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a playing surface, the grid being used to aid in taking aim at a cup.
  • Figure 1 shows an aim alignment device in use
  • Figure 2 shows a perspective view of the device of figure 1 ;
  • Figure 3 shows a perspective view of the device of figure 1 in an alternative use
  • an aim alignment device is generally depicted by reference numeral 1 .
  • An aim alignment device 1 makes use of a projector 2 inside a housing 3 which projects a plurality of lines from a radial centre onto a surface to form a circular grid 4.
  • the grid is projected by means of laser beams.
  • the housing 2 is connected to a surface engager such a peg 7.
  • the peg 7 may be shaped to be inserted into a complementary receptacle formed in a cup 8 in a putting green to replace the flagstick.
  • the grid 4 is used to assist a golf player in aligning their aim in the direction of a target, such as a cup 8 in a putting green.
  • a target such as a cup 8 in a putting green.
  • Putting greens are generally not flat to pose a challenge to the golfer.
  • the housing 3 is connected to a surface engager 7 in order to provide a higher angle of projection to reduce shadows or blind spots in the grid 4 and to point out any irregular changes in the surface.
  • the grid will then aid the golfer in visualising a path, line or apex which should be aimed at to ensure that a ball, after being struck by the player’s golf club ends up close to or inside the cup 8.
  • the surface engager 7 may engage with a portable putting practice device 9 to allow players to practice taking aim in places other than a putting green such as the comfort of their own home, office or any other space which may be used for putting practice.
  • the laser beam may be converted into only a number of radial lines 5 or only a number of concentric circles 6 as depicted in figure 1.
  • the area of the grid 4 as well as the number of lines 5,6 can be enlarged or decreased as required.
  • Specific lines 5,6 be changes in colour or shape in order to further assist and ensure that the player aligns their aim correctly.
  • the grid 4 is not limited to displaying squares or rectangles, and other shapes, such as guides, arrows or the like may be projected onto the surface. Part of or some of the shapes may be animated to indicate a speed at which the ball should be struck in order to end up as close to as possible or inside the cup.
  • the housing may also include a device for sensing movement such as the speed and direction of the golf ball. Data captured by the sensor may be relayed to the processing unit or transmitted to the remote mobile device. This data may be referred to in future and be associated with the player. The unit may then learn from the player in order to ensure that future similar putts or shots will be more advantageous for the player.
  • the housing may have a connector which can be used to connect the housing to objects other than a surface engager such as a flagstick found in the cup 8. This will alleviate the need for a surface engager and make use of objects already found in or near the target i.e. the cup 8.
  • the processing unit may be connected to any input or output device.
  • External devices, remote devices or third-party ball tracking devices may be used to track the movement, trajectory, or end location of the golf ball.
  • Data relating to shots may be stored in the processing unit or external device.
  • Part of the grid may be accentuated or animated to indicate a more advantageous ball speed and/or path or line which should be followed in a future shot to ensure better end placement of the ball.
  • the device will thus continuously “learn” from the player’s shot history to assist in improving the players set-up and posture
  • the device is not limited to be used in the sport of golf and there is provided for an alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a playing surface, the grid being used to aid in taking aim at a target.
  • the device may be used in relation to a pocket in a billiard table to aid in the alignment of a shot or even be projected onto a cricket pitch for a bowler to practice ball placement.
  • Kickers in football sports such as soccer, rugby or gridiron could make use of similar devices when training to practice their aim.

Abstract

Disclosed is an aim alignment device (1) more particularly an aim alignment device (1) for use while playing a shot in golf. The device makes use of a projector (2) inside a housing (3) which projects a plurality of lines from a radial centre onto a surface to form a circular grid (4) by means of laser beams. The housing is connected to a surface engager such a peg (7) which may be shaped to be inserted into a complementary receptacle formed in a cup (8) in a putting green to replace the flagstick. The unit learns from the player in order to ensure that future similar putts or shots will be more advantageous for the player.

Description

AIM ALIGNMENT DEVICE
FIELD OF THE INVENTION
This invention relates to an aim alignment device more particularly an aim alignment device for use while playing a shot in golf.
BACKGROUND TO THE INVENTION
United states patent number US7112145B2 entitled “Golf training device” in the name of Mark Gaddy describes a golf training device that assists a golfer in sighting the direction to hit, and in the proper alignment of his body with respect to the golf ball. The device has a housing for mounting at least two lasers having a vertical element that provides vertical support for the lasers, a base element that enables at least a portion of the housing to be oriented to a desired sighting, and a spike for stabilizing the housing. Each of the lasers has a diffraction optical element that converts a laser beam into a planar arc of light which when projected onto a surface, such as the ground, produces a laser line. The diffraction optical elements are oriented orthogonal to each other and the resulting lines produced by the lasers are orthogonal. One of the laser lines provides feet alignment and the other provides a feet to ball laser reference line. United states patent number US7727079B1 entitled “Laser golf alignment device and method” in the name of John A. Kuhlman, Jr. describes a portable, expandable laser golf training device that can be placed on the ground to provide alignment. The present invention can supply a plurality of light beams produced by lasers or other light sources, switchable on and off, that can be projected along the ground both in the direction of play and perpendicular to it. In a folded configuration, the device can project in four directions creating a pair of axis lines running at right angles to each other. In an expanded configuration, one of the major axis lines can be separated into two parallel lines for putting alignment by sliding the halves of the device apart. The device can be used by placing it on the ground in front of the golfer (between the golfer's feet and the ball. Two lines project outward perpendicular to the direction of play, and two or four lines project into and away from the direction of play. These lines provide alignment for the golfer. Various combinations of beams on or off can be selected by a selector switch under control of the user. The device can contain a rechargeable battery.
This could be quite problematic as the guides only assist in aligning the player’s body and not necessarily assist in aiming at a specific point or target.
OBJECT OF THE INVENTION
It is an object of this invention to provide an aim alignment device which, at least partially, alleviates some of the above-mentioned difficulties. SUMMARY OF THE INVENTION In accordance with this invention there is provided an aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a surface, the lines being used to aid in taking aim at a target. The projector may be a laser projector which converts a laser beam into a number of radial lines as well as concentric circle lines so that the radial lines cross the concentric circles lines to form a circular grid shape.
The laser beam may be converted into only a number of radial lines or only a number of concentric circles.
The housing may be connected to a surface engager such as a peg or a tripod having extendable legs. The surface engager may be shaped to be inserted into a complementary receptacle formed in a cup in a putting green to replace the flagstick.
The surface engager may be shaped to be inserted into a receptacle formed in a portable putting practice device. The housing may have a connector which can be used to connect the housing to objects other than a surface engager. The circular grid may be enlarged or decreased manually or automatically.
The number of radial lines may be increased or reduced as required.
The number of concentric circles may be increased or reduced as required.
The housing may include a processing unit connected to an input device.
The input device may be used to record data to be read into the processing unit.
Data recorded by the input device can be data relating to speed or direction of an object approaching or passing by.
The processing unit may further incorporate a wireless communications module to communicate with a remote device such as a mobile device or any other appropriate device.
The circular grid is not limited to only displaying a series of radial lines or concentric circles and other shapes, such as arrows, guidelines or the like can be projected onto the surface. The invention also provides for specific lines to differ in colour from other lines, and specific shapes can be filled with a variety of colours. In accordance with this invention there is provided a golf aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a playing surface, the grid being used to aid in taking aim at a cup. These and other features of the invention are described in more detail below.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention are described below, by way of example only, with reference to the drawings in which:
Figure 1 shows an aim alignment device in use;
Figure 2 shows a perspective view of the device of figure 1 ;
Figure 3 shows a perspective view of the device of figure 1 in an alternative use; DETAILED DESCRIPTION OF THE DRAWINGS
With reference to the drawings, an aim alignment device is generally depicted by reference numeral 1 . An aim alignment device 1 makes use of a projector 2 inside a housing 3 which projects a plurality of lines from a radial centre onto a surface to form a circular grid 4. In this embodiment the grid is projected by means of laser beams. The housing 2 is connected to a surface engager such a peg 7. The peg 7 may be shaped to be inserted into a complementary receptacle formed in a cup 8 in a putting green to replace the flagstick.
The grid 4 is used to assist a golf player in aligning their aim in the direction of a target, such as a cup 8 in a putting green. Putting greens are generally not flat to pose a challenge to the golfer.
The housing 3 is connected to a surface engager 7 in order to provide a higher angle of projection to reduce shadows or blind spots in the grid 4 and to point out any irregular changes in the surface. The grid will then aid the golfer in visualising a path, line or apex which should be aimed at to ensure that a ball, after being struck by the player’s golf club ends up close to or inside the cup 8. The surface engager 7 may engage with a portable putting practice device 9 to allow players to practice taking aim in places other than a putting green such as the comfort of their own home, office or any other space which may be used for putting practice.
The laser beam may be converted into only a number of radial lines 5 or only a number of concentric circles 6 as depicted in figure 1.
The area of the grid 4 as well as the number of lines 5,6 can be enlarged or decreased as required. Specific lines 5,6 be changes in colour or shape in order to further assist and ensure that the player aligns their aim correctly.
Specific lines in the grid 4 differ in colour to aid in a variety of alignments. The grid 4 is not limited to displaying squares or rectangles, and other shapes, such as guides, arrows or the like may be projected onto the surface. Part of or some of the shapes may be animated to indicate a speed at which the ball should be struck in order to end up as close to as possible or inside the cup.
The housing may also include a device for sensing movement such as the speed and direction of the golf ball. Data captured by the sensor may be relayed to the processing unit or transmitted to the remote mobile device. This data may be referred to in future and be associated with the player. The unit may then learn from the player in order to ensure that future similar putts or shots will be more advantageous for the player. There is further provided for the housing to have a connector which can be used to connect the housing to objects other than a surface engager such as a flagstick found in the cup 8. This will alleviate the need for a surface engager and make use of objects already found in or near the target i.e. the cup 8.
It will be appreciated by those skilled in the art that the invention is not limited to the precise details as described herein and that other embodiments and uses are available.
The processing unit may be connected to any input or output device. External devices, remote devices or third-party ball tracking devices may be used to track the movement, trajectory, or end location of the golf ball. Data relating to shots may be stored in the processing unit or external device.
Part of the grid may be accentuated or animated to indicate a more advantageous ball speed and/or path or line which should be followed in a future shot to ensure better end placement of the ball. The device will thus continuously “learn” from the player’s shot history to assist in improving the players set-up and posture
The device is not limited to be used in the sport of golf and there is provided for an alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a playing surface, the grid being used to aid in taking aim at a target. For instance the device may be used in relation to a pocket in a billiard table to aid in the alignment of a shot or even be projected onto a cricket pitch for a bowler to practice ball placement. Kickers in football sports such as soccer, rugby or gridiron could make use of similar devices when training to practice their aim.
It is envisaged that the invention as described herein will assist golfers of all levels in practicing their aim. This should significantly improve players’ enjoyment of the game of golf as it will enhance their skill levels.

Claims

1. An aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a surface, the lines being used to aid in taking aim at a target.
2. The aim alignment device according to claim 1 wherein the projector is a laser projector.
3. The aim alignment device according to any of claim 1 to claim 2 wherein the projector converts a laser beam into a number of radial lines.
4. The aim alignment device according to any of claim 1 to claim 2 wherein the projector converts a laser beam into a number of concentric circle lines.
5. The aim alignment device according to any of claim 1 to claim 2 wherein the projector converts a laser beam into a number of radial lines and a number of concentric circle lines so that the radial lines cross the concentric circles lines to form a circular grid shape.
6. The aim alignment device according to any of the preceding claims wherein the housing is connected to a surface engager.
7. The aim alignment device according to any of claim 1 to claim 5 wherein the surface engager is a peg.
8. The aim alignment device according to any of claim 1 to claim 5 wherein the surface engager is a tripod.
9. The aim alignment device according to any of the preceding claims wherein the surface engager is shaped to be inserted into a complementary receptacle.
10. The aim alignment device according to any of the preceding claims wherein the complementary receptacle is formed in a cup in a putting green.
11. The aim alignment device according to any of the preceding claims wherein the surface engager replaces a flagstick.
12. The aim alignment device according to any of the preceding claims wherein the surface engager is shaped to be inserted into a receptacle formed in a portable putting practice device.
13. The aim alignment device according to any of the preceding claims wherein the housing includes a connector which is used to connect the housing to objects other than a surface engager.
14. The aim alignment device according to any of the preceding claims wherein the area of the circular grid is altered manually.
15. The aim alignment device according to any of claim 1 to claim 13 wherein the area of the circular grid is altered automatically.
16. The aim alignment device according to any of the preceding claims wherein the number of radial lines is altered as required.
17. The aim alignment device according to any of the preceding claims wherein the number of concentric circles is altered as required.
18. The aim alignment device according to any of the preceding claims wherein the housing includes a processing unit.
19. The aim alignment device according to any of the preceding claims wherein the processing unit is connected to an input device.
20. The aim alignment device according to any of the preceding claims wherein the input device is used to record data to be read into the processing unit.
21. The aim alignment device according to any of the preceding claims wherein the data recorded by the input device is data relating to speed of an object approaching.
22. The aim alignment device according to any of claims 1 to 20 wherein the data recorded by the input device is data relating to speed of an object passing by.
23. The aim alignment device according to any of claims 1 to 20 wherein the data recorded by the input device is data relating to the direction of an object approaching.
24. The aim alignment device according to any of claims 1 to 20 wherein the data recorded by the input device is data relating to the direction of an object passing by.
25. The aim alignment device according to any of the preceding claims wherein the processing unit incorporates a wireless communications module to communicate with a remote device.
26. The aim alignment device according to any of the preceding claims wherein the circular grid projects a shape on to the surface.
27. The aim alignment device according to any of claim 1 to claim 25 wherein the circular grid projects an arrow on to the surface.
28. The aim alignment device according to any of claim 1 to claim 25 wherein the circular grid projects a guideline on to the surface.
29. The aim alignment device according to any of the preceding claims wherein a specific line to differs in colour from another line.
30. The aim alignment device according to any of the preceding claims wherein a specific shape is filled with a colour.
31. The aim alignment device according to any of the preceding claims wherein a part of the gris is animated.
32. A golf aim alignment device comprising a housing for a projector which projects a plurality of lines from a radial centre onto a playing surface, the grid being used to aid in taking aim at a cup.
33. The golf aim alignment device according to claim 32 wherein the cup is found in a putting green.
34. The golf aim alignment device according to any of claim 32 to claim 33 wherein the cup is found in a practice device.
35. The golf aim alignment according to any of claim 32 to claim 34 wherein the projector is a laser projector.
36. The golf aim alignment device according to claim according to any of claim 32 to claim 34 wherein the projector converts a laser beam into a number of radial lines.
37. The golf aim alignment device according to any of claim 32 to claim 34 wherein the projector converts a laser beam into a number of concentric circle lines.
38. The golf aim alignment device according to any of claim 32 to claim 34 wherein the projector converts a laser beam into a number of radial lines and a number of concentric circle lines so that the radial lines cross the concentric circles lines to form a circular grid shape.
39. The golf aim alignment device according to any of claim 32 to claim 38 wherein the housing is connected to a surface engager.
PCT/IB2022/056120 2021-06-30 2022-06-30 Aim alignment device WO2023275823A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA202104530 2021-06-30
ZA2021/04530 2021-06-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29707666U1 (en) * 1997-04-28 1997-08-07 Groehl Manfred Prof Dipl Ing Passive sighting device with LEDs on a golf putter to improve training performance
US6071202A (en) * 1997-01-14 2000-06-06 Densberger; John A. Golf swing training method
US6213887B1 (en) * 1996-06-06 2001-04-10 William P. Carney Apparatus for practicing the game of golf
US20040132555A1 (en) * 2002-12-17 2004-07-08 Forrest Bradley A. Laser projector for illuminating slope
US6769992B1 (en) * 2002-11-18 2004-08-03 Mark D. Domulevicz Assembly and method for cut shooting a pool ball
US7134966B1 (en) * 2002-09-10 2006-11-14 Tice Robert M Golf putt training device and method
US20150238837A1 (en) * 2014-02-24 2015-08-27 Eric C. Rhone Method and device for golf practice putting and target imager
US20180093157A1 (en) * 2016-10-01 2018-04-05 Michael James McNenny Laser Golf Putting Guide
KR102387143B1 (en) * 2020-10-15 2022-04-15 이지민 a device that marks the concede line of golf

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6213887B1 (en) * 1996-06-06 2001-04-10 William P. Carney Apparatus for practicing the game of golf
US6071202A (en) * 1997-01-14 2000-06-06 Densberger; John A. Golf swing training method
DE29707666U1 (en) * 1997-04-28 1997-08-07 Groehl Manfred Prof Dipl Ing Passive sighting device with LEDs on a golf putter to improve training performance
US7134966B1 (en) * 2002-09-10 2006-11-14 Tice Robert M Golf putt training device and method
US6769992B1 (en) * 2002-11-18 2004-08-03 Mark D. Domulevicz Assembly and method for cut shooting a pool ball
US20040132555A1 (en) * 2002-12-17 2004-07-08 Forrest Bradley A. Laser projector for illuminating slope
US20150238837A1 (en) * 2014-02-24 2015-08-27 Eric C. Rhone Method and device for golf practice putting and target imager
US20180093157A1 (en) * 2016-10-01 2018-04-05 Michael James McNenny Laser Golf Putting Guide
KR102387143B1 (en) * 2020-10-15 2022-04-15 이지민 a device that marks the concede line of golf

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