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Method and system for shot tracking

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Title: Method and system for shot tracking.
Abstract: A system and method for shot tracking disclosed herein. The system preferably includes a golf club, a receiver and a device. The golf club preferably includes an active RFID transponder, a power source, a switch and an accelerometer. Each golf shot is recorded on the device including the type of club and club swing speed. ...


USPTO Applicaton #: #20110028230 - Class: 473222 (USPTO) - 02/03/11 - Class 473 
Games Using Tangible Projectile > Golf >Practice Swingable Implement Or Indicator Associated With Swingable Implement >With Electrical Sensor Or Electrical Indicator >Sensor Positioned Apart From Implement To Interact With A Separate Cooperating Sensor Means Attachable To Or Integral With Implement

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The Patent Description & Claims data below is from USPTO Patent Application 20110028230, Method and system for shot tracking.

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CROSS REFERENCES TO RELATED APPLICATIONS

The Present application claims priority to U.S. Provisional Patent Application No. 61/230,465 filed on Jul. 31, 2009.

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT

Not Applicable

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to shot tracking. More specifically, the present invention relates to a method and system for tracking shots of a golfer during a round of golf.

2. Description of the Related Art

Golf clubs combine with the players swing to propel a ball toward a favored location and through a favored path. The orientation and speed of the club head at impact largely determines the ball path including carry distance and roll.

Various data measuring and collecting devices and methods are used for analyzing a golf club during a golf swing. In a similar manner, the effectiveness of a golf ball impact with the golf club during the golf swing can be measured in terms of initial launch conditions. Such launch conditions include the initial velocity, launch angle, spin rate and spin axis of the golf ball. These launch conditions are determined principally by the velocity of a club head at impact and the loft and angle of a club face relative to the intended trajectory of the golf ball\'s flight. There are two general methods for analyzing the golf club during a golf swing: visual analysis and quantitative variable analysis.

The method of analyzing a golf club during a golf swing using visual analysis typically is conducted by a golf instructor capable of visually discerning golf swing variables, and suggesting corrections in the golfer\'s swing to provide improvement. However, not every golfer has ready access to professional golf instruction. The golfer also can diagnose certain swing faults using visual analysis methodology employing one or more cameras to record the golfer\'s swing and comparing it to a model swing. Using various camera angles and slow motion play back, the actual swing motion can be reviewed and altered in subsequent swings.

On the other hand, quantitative variable analysis employs sensors to directly measure various mechanical or physical properties of the golf club during the swing motion. Sensors, such as strain gauges or accelerometers, typically are attached to the shaft or the golf club head. Data collected from these strain gauges then may be transferred to a signal processor via wires or radio waves, and can be presented in various graphical formats, including graphical and tabular charts. A significant drawback associated with the use of wires in an instrumented golf club is that the wires can be very cumbersome, and can become obtrusive to the golfer when the golfer attempts to swing the golf club. Several different approaches to analyzing a golf club or baseball bat during a baseball or golf swing using quantitative variable analysis are discussed in the patents listed below.

U.S. Pat. No. 4,759,219, issued to Cobb et al., the specification discloses a baseball bat with a self-contained measuring device and display. A spring potentiometer is used to measure centrifugal force, and an LED or LCD displays the measured force. However, this bat does not contain any data storage capability.

U.S. Pat. No. 5,233,544, issued to Kobayashi, discloses a golf club having multiple sensors, and a cable for transmitting data to a computer for data processing. This arrangement can accommodate up to 5 sensors in a cartridge located in the handle region of the golf club.

U.S. Pat. No. 3,182,508, issued to Varju, discloses the use of a strain gauge in the bottom of a golf club, and a wire for connecting the sensor to a data processing means located separate from the golf club.

U.S. Pat. No. 5,694,340, issued to Kim, discloses the use of multiple sensors for measuring the acceleration of a golf club, and uses either a cable or radio transmissions to transfer data from the sensors to an external data processing means.

U.S. Pat. No. 4,991,850, issued to Wilhelm, discloses the use of a sensor for measuring the applied force of a golf swing. The sensor data can be displayed on a wrist-mounted arrangement or be downloaded to a computer via cable or radio transmission.

U.S. Pat. No. 3,792,863, issued to Evans, discloses the use of multiple sensors, including an accelerometer and strain gauges, to measure torque and flex. Data is transferred from the golf club to a data analysis station via FM radio signals, with each sensor having its own data transfer frequency.

The prior art is lacking in a method and system for shot tracking.

BRIEF

SUMMARY

OF THE INVENTION

The present invention provides a solution for automatic shot tracking.

Having briefly described the present invention, the above and further objects, features and advantages thereof will be recognized by those skilled in the pertinent art from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

FIG. 1 is a perspective view of components of a system for shot tracking.

FIG. 2 is a graph of a binary result of acceleration switches during different club events.

FIG. 3 is a graph of acceleration levels during different club events.

FIG. 4 is an illustration of a portion of a golf club illustrating the components.

FIG. 5 is a flow chart of a method of shot tracking.

FIG. 6 is a block diagram of components of a system for shot tracking with the switch open.

FIG. 7 is a block diagram of components of a system for shot tracking with the switch closed.

FIG. 8 is an illustration of a system for shot tracking.

FIG. 9 is an isolated perspective view of a golf club utilized for shot tracking.

FIG. 10 is an isolated perspective view of a golf club head utilized for shot tracking.

FIG. 11 is an exploded perspective view of a golf club utilized for shot tracking.

FIG. 12 is a view of a segment of a shaft, and shows two strain gauge of the rosette group on a front surface and a strain gauge of the rosette group in phantom on a back surface.

FIG. 13 is a view of the triplet strain gauge elements as arranged about the exterior circumference of the shaft of the instrumented golf club in tip and butt ends.

DETAILED DESCRIPTION

OF THE INVENTION

As shown in FIG. 1, components of the system can be attached to a golf club. Alternatively, the components can be integrated into a golf club.

FIG. 2 shows that different levels of acceleration switches can be effectively used to detect that a golf club has been used during by a golfer. A 50 g switch, a 125 g switch and a 500 g switch were used for this testing.

FIG. 3 shows the levels detected during a golf club impact with a golf ball.

FIG. 4 illustrates a portion of a golf club 50. The components of the system 20 within the golf club 50 preferably include an active RFID transponder 51, a power source 52, a switch 53 and an accelerometer 54. Those skilled in the pertinent art will recognize that the accelerometer and switch may be a single device.

FIG. 5 is a flow chart of a method 1000 for shot tracking. At block 1001, a golfer swings a club and impacts a golf ball. At block 1002, diagnostics and an accelerometer are activated by the swing and impact of the golf club with the golf ball. The diagnostics of the golf club measure at least golf club speed. At block 1003, a switch located between a power source and an active RFID transponder is temporarily closed due to the activation of the accelerometer. At block 1004, the active RFID transponder is powered by the power source. At block 1005, the active RFID transponder transmits at least one signal containing data about the golf club which includes the type of club and the club speed. At block 1006, the signal is received at a receiver. The signal is then stored at the receiver or transmitted to another device.

FIG. 6 illustrates components of the system located within a golf club prior to impact of a golf club with a golf ball.

FIG. 7 illustrates components of the system located within a golf club subsequent to impact of a golf club with a golf ball.

FIG. 8 illustrates the system 20. A transponder in a golf club 50 swung by a golfer sends a signal 62 to a receiver 60 which sends a second signal 63 to a device 65. The device 65 is attached to a golf bag 61, however, those skilled within the pertinent art will recognize that the device 65 may be attached to any pertinent device including the golfer, or may stand alone.

The receiver 60 is capable of wireless transmission using BLUETOOTH communications or a similar communication protocol. The receiver 60 may also be capable of storing the data for later transmission.

The device 65 is preferably a GPS device such as disclosed in Balardeta et al., U.S. Patent Publication Number 20090075761 for a Golf GPS Device And System, which is hereby incorporated by reference in its entirety. Alternatively, the device 65 is a personal digital assistant (PDA), “smart phone”, mobile phone, or other similar device. However, those skilled in the pertinent art will recognize that the receiver may be any device capable of receiving and storing signals from the RFID tag.

Gibbs, et al., U.S. Pat. No. 7,163,468 is hereby incorporated by reference in its entirety.

Galloway, et al., U.S. Pat. No. 7,163,470 is hereby incorporated by reference in its entirety.

Williams, et al., U.S. Pat. No. 7,166,038 is hereby incorporated by reference in its entirety.



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stats Patent Info
Application #
US 20110028230 A1
Publish Date
02/03/2011
Document #
12838656
File Date
07/19/2010
USPTO Class
473222
Other USPTO Classes
473409, 473407
International Class
/
Drawings
12



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