Class / Patent application number | Description | Number of patent applications / Date published |
473198000 | Moving projectile responsive sensor or indicator | 49 |
20130184091 | Automatic Club Setting and Ball Flight Optimization - Systems, methods, and computer readable media for changing and controlling settings for adjustable golf clubs are described. Such setting adjustment systems may alter one or more of: lie angle, loft angle, face angle, shaft stiffness, shaft kickpoint location, weighting, weight positioning, face flexibility, maximum face flex location, etc. These systems and methods may use various types of information to determine the appropriate settings, such as: ball launch monitor data, swing path data, weather input data, course condition input data for a location of play, course design input data for a location of play, daily course layout input data for a location and a time of play, golfer past performance data (e.g., recent past performance, past performances at the location of play, past performance during an ongoing round of golf (i.e., on earlier played holes), etc.), current adjustable club setting information, and information indicating specific holes to be played. | 07-18-2013 |
20140378238 | SYSTEMS AND METHODS FOR FITTING GOLF EQUIPMENT - A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one embodiment, golf fitting includes collecting data related to the golfer's swing and determining if the golfer's swing technique should be modified based at least in part on the collected swing data. When it is determined that the golfer's swing technique should be modified, then providing swing instruction to the golfer. When, however, it is determined that the golfer's swing technique is fine, then collecting data related to how the golfer's swing launches a golf ball. Finally, golf equipment, e.g., golf clubs, can be specified based on the collected swing data and launch data. | 12-25-2014 |
20150356744 | METHOD AND APPARATUS FOR SENSING MOVING BALL, AND IMAGE PROCESSING METHOD OF BALL IMAGE FOR CALCULATION OF SPIN OF MOVING BALL - Disclosed is measurement of spin by acquiring an image of a moving ball according to hit and analyzing the image, and more particularly, disclosed are a method and apparatus for sensing a moving ball, and an image processing method of a ball image, for measuring spin of the moving ball by rapidly and accurately extracting an unspecified indication such as a logo of a ball manufacturer, a trademark of the ball, a scratch, stain, etc. pre-indicated on the ball, that is, a feature portion in a simple manner, instead of indicating a specific pattern for spin measurement only, and then accurately calculating spin axis and spin amount information of rotation of the ball based on the feature portion. | 12-10-2015 |
20160175651 | CARRY MEASURING DEVICE, HIT-BALL-DIRECTION MEASURING DEVICE, CARRY MEASURING SYSTEM, CARRY MEASURING METHOD, HIT-BALL DETERMINING DEVICE, HIT-BALL DETERMINING SYSTEM, HIT-BALL DETERMINING METHOD, AND RECORDING MEDIUM | 06-23-2016 |
473199000 | Electrical | 41 |
20080261711 | Manners of Using a Sports Ball Parameter Determining Instrument - A system and an apparatus for providing data relating to a sports club/bat and/or a sports ball before, during or after launch. The data may be used for testing the club/ball or for introduction into a video feed of the club/ball in order to enhance TV broadcasting of sports tournaments or training. Additionally, games may be played where ball data are projected into a virtual reality, such as a virtual golf course, so that the ball path in the virtual reality may be seen. The system is suitable for e.g. golf, cricket, and baseball. | 10-23-2008 |
20080287207 | SYSTEM AND METHOD FOR MEASURING A GOLFER'S BALL STRIKING PARAMETERS | 11-20-2008 |
20080287208 | GOLF BALL MOVEMENT MEASURING APPARATUS - A golf ball movement measuring apparatus includes: a camera for taking a plurality of images of a golf ball hit by a golf club; a dark-colored background material which is disposed so as to configure a background of the golf ball in the images; and a processing unit to which the images are transmitted from the camera, the processing unit masking a background portion excepting the dark-colored background material in the images in black through image processing, and the processing unit analyzing a movement of the golf ball hit by the golf club. | 11-20-2008 |
20090069105 | SYSTEM AND METHOD FOR IMPROVING GOLF SKILLS - Systems and methods for improving golf skills and related features are provided. A user may be identified and may hit a golf ball at the kiosk. The distance the golf ball travels may be determined at the kiosk. The kiosk may be a standalone kiosk, or a network-enabled kiosk that may communicate with one or more other kiosks at the same location and/or other locations, one or more local servers (e.g., an administrative server) and/or one or more remote servers (e.g., a web server). The determined distance may be used to simulate various games such as darts, poker, or other games. The determined distance may be also used to assess a skill rating of the user. The assessed skill rating may be stored. The stored skill rating may be retrieved via a website, at the standalone kiosk, or at the one or more other kiosks. | 03-12-2009 |
20090280920 | METHOD AND APPARATUS FOR MEASURING GOLF GREEN SPEEDS - A method, system and golf ball are provided to determine the deceleration of a golf ball and, in turn, the speed of a green. The system may include a golf ball and an offboard display device. The golf ball may include a golf ball body, a motion sensor disposed within the golf ball body to measure acceleration of the golf ball along each of three mutually perpendicular axes, and a transmitter disposed within the golf ball body to transmit data representative of deceleration. The display device may include a receiver to receive data representative of the deceleration of the golf ball from transmitter and a display to provide a representation of the deceleration of the golf ball. At least one of the golf ball and the display device may include a processor to determine deceleration of the golf ball based upon the acceleration measured by the motion sensor. | 11-12-2009 |
20090280921 | Method And Apparatus For Evaluating A Putt - A method, system and golf ball are therefore provided in accordance with embodiments of the present invention in order to determine the spin of a golf ball, such as the side spin and/or back spin, in order to facilitate the evaluation of a putt. In one embodiment, a system includes a golf ball and an offboard display device. The golf ball may include a golf ball body, a motion sensor disposed within the golf ball body and configured to measure acceleration of the golf ball along each of three mutually perpendicular axis, and a transmitter disposed within the golf ball body configured to transmit data representative of spin of the golf ball. In turn, the display device may include a receiver configured to receive data representative of the spin of the golf ball from transmitter and a display configured to provide a representation of a measure of the spin of the golf ball. In this embodiment, at least one of the golf ball and the display device may include a processor configured to determine spin of the golf ball based upon the acceleration measured by the motion sensor. | 11-12-2009 |
20090298605 | METHODS AND DEVICES FOR ANALYZING GOLF SWINGS - A method and electronic device for analyzing golf swings associates actual ball flight data with sensed swing characteristics. The electronic device includes a location-determining component; a sensor; a display; and a computing device all housed within a portable, handheld or wearable enclosure. The computing device may associate the ball flight data with the swing characteristic data by storing the data together in memory, linking the data in memory, displaying representations of the data together, or by any other method. The computing device may also create a reference profile for a golfer based on ball flight data and sensed swing characteristics for a plurality of golf swings and may associate swing characteristics with particular golf clubs. | 12-03-2009 |
20100048313 | MEASURING THE MOVEMENT CHARACTERISTICS OF AN OBJECT - A method of an apparatus for measuring or determining the movement characteristics of an object uses the detection of changes in beams. A set of beams F | 02-25-2010 |
20100151955 | GLOBAL POSITIONING SYSTEM USE FOR GOLF BALL TRACKING - Systems and methods are disclosed for integrating a transmitter into an object, such as a golf ball, that becomes active upon the motion of the object. This transmitter sends a signal to a receiver that is configured to determine the location of the object. The receiver is the able to determine the location of the object and outputs the location to a display. | 06-17-2010 |
20100151956 | METHODS, APPARATUS, AND SYSTEMS TO CUSTOM FIT GOLF CLUBS - Embodiments of methods, apparatus, and systems to custom fit golf clubs are generally described herein. Other embodiments may be described and claimed. | 06-17-2010 |
20100304876 | Golf Diagnosis Apparatus And A Method Of Performing Golf Diagnosis - A golf diagnosis apparatus, comprising a first acquisition device adapted for acquiring first information indicative of a performance, particularly a stroke, of a golf player, the first acquisition device being directed along a first direction, a second acquisition device adapted for acquiring second information indicative of the performance, particularly the stroke, of the golf player, the second acquisition device being directed along a second direction which differs from the first direction, and a data evaluation unit adapted for evaluating the first information and the second information to determine golf diagnosis related data, wherein the first direction is parallel to and the second direction is perpendicular to a motion vector of a golf ball hit by the golf player. | 12-02-2010 |
20100311512 | SIMULATOR WITH ENHANCED DEPTH PERCEPTION - A simulator system includes a user tracking device for detecting a position of a user and generating a sensor signal representing the position of the user, a processor for receiving the sensor signal, analyzing the sensor signal, and generating an image signal in response to the analysis of the sensor signal, wherein the analyzing of the sensor signal includes determining a position of a virtual camera corresponding to the position of the user, the virtual camera being directed toward a reference look-at-point; and a image generating device for receiving the image signal and generating an image in response to the image signal, wherein the image is modified in response to the position and an orientation of the virtual camera relative to the reference look-at-point. | 12-09-2010 |
20110077094 | HANDHELD DISPLAY WITH GPS RECEIVER AND RF TRANSMITTER - A handheld display device is provided with a screen, a user interface, and electronics for enabling wireless communications. The handheld device is adapted for wirelessly receiving GPS tracking data from a satellite tracking system, wirelessly receiving transmitted RF data from electronically equipped sports objects, and/or wirelessly transmitting RF data to a computer controlled network. The system is also capable of on-board analysis of obtained data. | 03-31-2011 |
20110124429 | GOLF CLUB AND BALL PERFORMANCE MONITOR HAVING AN ULTRASONIC TRIGGER - An ultrasonic trigger for a golf equipment performance monitor is described. In a preferred embodiment, the ultrasonic trigger comprises at least one emitter and receiver. The emitters periodically generate sound waves at an ultrasonic frequency. The sound waves are targeted towards an object or objects within a target area. The sound waves are reflected by the objects within the target area, and are detected by at least one receiver. The receiver may be connected to a computational device to determine the position and/or velocity of the objects within the field of view. | 05-26-2011 |
20110159977 | SYSTEM FOR MEASURING THE ROLL QUALITY OF A PUTTING GREEN - A system for measuring roll quality of a putting green includes a golf ball remotely communicating with a data processing unit composed of a computer software interface. The golf ball includes a golf ball outer surface with an interior cavity formed therein. An electronic system is positioned within the interior cavity. The electronic system is composed of an accelerometer, a microprocessor, a communications system and a battery. The electronic system allows a user to initiate a roll or putt of the golf ball on any surface and record data relating to roll quality thereby creating a roll data file. | 06-30-2011 |
20110224007 | Golf Ball With Piezoelectric Material - A golf ball with a piezoelectric material portion allows golf ball data to be obtained when a golfer hits the golf ball with a golf club. An output from the piezoelectric material generated in response to the impact force of the golf club hitting the golf ball is measured. Based on the measured output, golf ball data can be obtained. The obtained golf ball data may be used by golf club fitting systems, golf ball fitting systems, and golfer profile databases. | 09-15-2011 |
20110230273 | Systems and Methods for Storing and Analyzing Golf Data, Including Community and Individual Golf Data Collection and Storage at a Central Hub - Systems and methods are described for providing coaching, training, or equipment specification information to individual golfers based on data generated during their individual golf swings. Additionally, data hubs are described that provide information and services to individuals based on data collected for a community of multiple golfers. Such community data hub systems and methods may provide one or more of the following: (a) storage of scoring data, swing data, ball flight data, and/or equipment data for multiple golfers; (b) at least some level of individual access to the stored data for the community; and/or (c) electronic interaction between golfers within the community. | 09-22-2011 |
20120077608 | METHOD AND APPARATUS FOR MEASURING GOLF GREEN SPEEDS - A method, system and golf ball are provided to determine the deceleration of a golf ball and, in turn, the speed of a green. The system may include a golf ball and an offboard display device. The golf ball may include a golf ball body, a motion sensor disposed within the golf ball body to measure acceleration of the golf ball along each of three mutually perpendicular axes, and a transmitter disposed within the golf ball body to transmit data representative of deceleration. The display device may include a receiver to receive data representative of the deceleration of the golf ball from transmitter and a display to provide a representation of the deceleration of the golf ball. At least one of the golf ball and the display device may include a processor to determine deceleration of the golf ball based upon the acceleration measured by the motion sensor. | 03-29-2012 |
20120115623 | LOCATING DEVICE FOR LOCATING AN OBJECT, AND A SYSTEM OF A LOCATING DEVICE AND AN OBJECT - The invention relates to a locating device for locating an object. The invention also relates to a system of a locating device and of an object, a golf accessory and a golf ball. The locating device comprises a first directional receiver so as to receive the emitted signal. The first directional receiver is directed with a first main axis in a first direction. The reception unit is also provided with a second directional receiver with a second main axis, and also with a third directional receiver with a third main axis. The second and the third main axis are positioned transversely with respect to the first main axis. The locating device is configured for processing the signals received by the at least three directional receivers so as to obtain a location property of the object. | 05-10-2012 |
20120142443 | GOLF CLUB APPARATUSES AND METHODS - Methods, apparatuses, machine readable non-transitory storage media, and systems which process measured light values in order to determine the status of a golf club relative to a golf club bag are described. In one embodiment, a system uses a floating threshold, which is between a running bright average and a running dark average, to determine whether to add a current light meter value to one or the other of these running averages. In another embodiment, a system resets or re-seeds the running averages so that re-seeded averages are used after exiting from a sleep state such as a dark sleep state. In another embodiment, a system uses light sensor information or other sensor information to determine when a club is in use. Other embodiments are also described. | 06-07-2012 |
20120190469 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - A measurement apparatus includes a first Doppler sensor which outputs a first transmission signal and receives a first Doppler signal, that is the first transmission signal returned after being reflected by an impacting object, a timing detection unit that detects an impact timing which is a moment when an impacted object is impacted by the impacting object, an impacting object speed computing unit that computes a speed of the impacting object based on the first Doppler signals obtained from the detected impact timing to a timing before a predetermined period, and an imaging unit that images the impacted object immediately after the impact so as to be used for computing a motion state of the impacted object, based on the computed speed of the impacting object. | 07-26-2012 |
20120202610 | SYSTEMS AND METHODS FOR FITTING GOLF EQUIPMENT - A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one embodiment, golf fitting includes collecting data related to the golfer's swing and determining if the golfer's swing technique should be modified based at least in part on the collected swing data. When it is determined that the golfer's swing technique should be modified, then providing swing instruction to the golfer. When, however, it is determined that the golfer's swing technique is fine, then collecting data related to how the golfer's swing launches a golf ball. Finally, golf equipment, e.g., golf clubs, can be specified based on the collected swing data and launch data. | 08-09-2012 |
20120214606 | METHOD FOR MEASURING BEHAVIOR OF GOLF CLUB AND BALL - A method for measuring behavior of a head of a golf club and of a ball includes obtaining two-dimensional data of three or more marks on a face surface at two points in time before impact; identifying three-dimensional positions of the marks on the two points in time from the two-dimensional data; identifying behavior of the face surface of the three-dimensional position of each mark at the two points in time; identifying time of a contact of the face surface with the ball; estimating behavior of the head at the time of contact of the face surface with the ball; obtaining two-dimensional data of the ball at the two points in time; identifying three-dimensional position and posture of the ball at the two points in time; and estimating a behavior value of the ball from the three-dimensional position and posture of the ball. | 08-23-2012 |
20120264532 | METHOD AND APPARATUS FOR EVALUATING A PUTT - A method, system and golf ball of the present invention determine the side spin and/or back spin of a golf ball in order to facilitate the evaluation of a putt. In one embodiment, a system includes a golf ball and an offboard display device. The golf ball includes a golf ball body, a motion sensor disposed within the golf ball body and configured to measure acceleration of the golf ball along each of three mutually perpendicular axis, and a transmitter disposed within the golf ball body configured to transmit data representative of spin of the golf ball. The display device includes a receiver and a display, and the receiver is configured to receive data representative of the spin of the golf ball from the transmitter and the display is configured to provide a representation of a measure of the spin of the golf ball. | 10-18-2012 |
20120270671 | Data Display On Golf Ball Outer Surface - A plurality of layers and elements are incorporated into a golf ball to display values for various swing characteristics on a display layer of a ball. A calculator is incorporated to calculate a value of at least one swing characteristic. A weighted light source is incorporated to display the value on a display layer. The display layer is a substantially opaque layer. | 10-25-2012 |
20120309553 | ADVANCED GOLF MONITORING SYSTEM, METHOD AND COMPONENTS - Monitoring of a golf ball and apparatus for doing so is described using differential time locating. Launch parameters of a golf ball can be characterized independent of any specific positional measurement on the basis of a ball signal that is transmitted from the ball. These parameters include initial spin, initial velocity, and initial trajectory. Ground proximity detection is described as well as a landing position and rollout position detection technique and associated apparatus. Calibration techniques are described for various kinds of range receivers that subsequently receive the ball signal. | 12-06-2012 |
20130157772 | Method And System For Characterizing Golf Ball Striking Ability - Alternate characterizations of golf ball striking ability is provided, as well as methods for determining the alternate characterizations and systems for carrying out such determinations. Such methods may include performing one or more golf strikes to impart trajectories to one or more golf balls. Such methods may also include measuring each of the golf strikes to determine golf club head, golf ball speed, side spin angle, and offline angle, calculating a trajectory magnitude factor and a trajectory offline factor on the basis of the measurements, and reducing the trajectory magnitude factor by the trajectory offline factor. | 06-20-2013 |
20130274026 | Golf Training Aid - A golf training device may include a base having a top surface and an opposing bottom surface for placing on a surface; a ball positioning sensor positioned adjacent to the top surface; and a light source for transmitting visible light from the base, the light source being in operable communication with the ball positioning sensor to respond to a signal from the ball positioning sensor that a ball has been moved from a resting position to transmit light for a finite predetermined period of time after the ball is moved from the resting position. A method of training may include receiving a ball on a training device in a resting position; detecting the presence of the ball on the top surface; detecting that the ball has been moved; transmitting light from a light source for a predetermined period of time in response to detecting that the ball has been moved. | 10-17-2013 |
20130316840 | GOLF SWING GRADING SOFTWARE SYSTEM, GOLF SWING COMPONENT SCORING CHART AND METHOD - In accordance with the preferred embodiment and alternative embodiments described are embodiments of a system and method that automatically grading a golf swing, by grading components of a golf swing, relative to a perfect swing. | 11-28-2013 |
20140128171 | GOLF BALL TRACKING SYSTEM - The present invention is a golf ball tracking system that includes a golf ball, a GPS chip that is embedded within the golf ball and a hand-held tracker that includes a front, a casing, a transmitter, a LCD display and a beeper, the transmitter is encased within the casing and the LCD display is disposed on the front of the hand-held tracker and the transmitter is in communication with the GPS chip embedded within the golf ball through a GPS system. The golf ball tracking system includes one or more batteries encased within the casing, the one or more batteries provide electrical power to the golf ball tracking system and a packaging that contains one or more of the golf balls. | 05-08-2014 |
20140378239 | MOTION ANALYSIS METHOD AND MOTION ANALYSIS DEVICE - In a motion analysis method, an impact point analysis section identifies a posture of a hitting area of sporting equipment at impact using an output of an inertial sensor. A determination section determines a type of a course of a hit ball using information of the posture of the hitting area thus identified. The course of the hit ball is estimated with the posture of the hitting area at impact. The type of the course of the hit ball is determined in accordance with the posture of the hitting area. | 12-25-2014 |
20150057095 | GOLF AID INCLUDING HEADS UP DISPLAY - A golf aid for displaying one or more golf-related statistics to a user includes a golf ball tracking system for tracking a flight of a golf ball, a heads up display, and a processor in communication with the golf ball tracking system and the heads up display. The heads up display is configured to be worn on the user's head and display an image within the user's field of view. The processor is configured to compute one or more shot statistics from the tracked flight of the golf ball and display the one or more computed shot statistics within the field of view of the user via the heads up display. The one or more shot statistics include at least one of an initial ball speed, a spin rate, a carry, and a remaining distance to the pin. | 02-26-2015 |
20150105172 | GOLF BALL AND CADDIE SYSTEM - A golf ball sensing apparatus for use with a portable electronic device including a data acquisition device and a processing unit, and in association with a golf club and a cup. The apparatus includes a golf ball, at least one sensor carried by the ball and a non-transitory computer-readable medium. The sensor senses at least one attribute of the ball. The medium directs a processing unit to identify the initiation of a first stroke of the ball towards the cup, obtain a first final location after the first stroke, obtain the at least one attribute of the first stroke, store a set of associated data regarding the first stroke, obtain a second initial location of the ball prior to a subsequent second stroke, and output portions of the stored set of data in response to the second initial location being within a predetermined zone of the first initial location. | 04-16-2015 |
20150105173 | GOLF BALL AND CADDIE SYSTEM - An apparatus including a golf ball comprising an internal sensor, and an internal wireless communicator. The internal wireless communicator adapted to communicate parameters sensed by the sensor to external electronics, wherein the external electronics are configured to determine if the golf ball went into a cup based upon the parameters. | 04-16-2015 |
20150343291 | GOLF AID INCLUDING HEADS UP DISPLAY - A golf aid including a practice mode for use while hitting a plurality of golf balls with a golf club includes a golf ball tracking system, a heads up display, and a processor. The golf ball tracking system tracks a plurality of golf ball trajectories, each corresponding to a respective golf ball being hit by the golf club. The heads up display is configured to be worn on the user's head and display an image within a field of view of the user. The processor is configured to compute one or more shot statistics for each one of the plurality of trajectories, display the one or more computed shot statistics and a plurality of trajectory traces within the field of view of the user. | 12-03-2015 |
20160030814 | Enhanced Golf Ball and Method for Its Construction - The present invention relates to a new, improved, technologically enhanced golf ball and a method for its construction. The new technologically enhanced golf ball will be an improvement over existing golf balls and will be used in conjunction with other enhanced golf equipment to capture, analyze, score (i.e. using USGA rules), save, archive, track and communicate (e.g. verbal, sound, tactile and/or visual) real-time relevant golf data specific to individual golfers: 1) during practice/lessons; or 2) for every shot on every hole of an entire recreational round of golf. The present invention will be particularly useful in helping to provide an information support structure for the recreational golfer similar to what is routinely available to the tour professional golfer through his caddy, spotters, volunteer laser range finders and other support. | 02-04-2016 |
20160074704 | MULTIPLE SENSOR TRACKING SYSTEM AND METHOD - A system and method for tracking the flight of golf balls at driving range. The system includes a plurality of hitting stations, a plurality of sensors, a computer, and a range surface. Each hitting station in the plurality of hitting stations includes a golf ball, a golf club, a monitor, and a sensor. At least one other sensor in the plurality of sensors is placed outside a hitting station. The flight path of the golf balls being calculated by the computer using parameters by the plurality of sensors. The method includes steps for determining whether a first sensor detected a first parameter and a second parameter, whether a second sensor detected a first and a second parameter, whether a third sensor detected a third parameter, and depicting the flight path of the golf balls using the first parameter, the second parameter, and the third parameter. | 03-17-2016 |
20160151696 | System for analyzing golf swing process and method thereof | 06-02-2016 |
20160193498 | PORTABLE LAUNCH MONITOR | 07-07-2016 |
20160193501 | GOLF GAMING SYSTEMS AND METHODS | 07-07-2016 |
20160375302 | GOLF BALL SELECTION USING MOBILE COMPUTER DEVICE WITH CAMERA - There is provided is a method and computer program product for selecting an appropriate golf ball for a subject by using a mobile computer device with a camera. The method includes: inputting information concerning hitting skill of the subject to the mobile computer device; performing a calibration of a distance and/or direction between two points in a screen of the mobile computer for shooting a moving image; shooting a moving image by the camera of the mobile computer device when the subject hits a golf ball by a golf club; determining a head speed of the golf club before an impact of the club and the ball from the shot moving image based on the calibration; computing a golf ball product having a suitable performance for the subject from the input information concerning hitting skill and the determined head speed, based on a database comprising data of information concerning hitting skills of players, data of head speeds before impact of club and ball, and data of performances of golf ball products which are correlated with each other; and displaying the computed recommended golf ball product on the mobile computer device. | 12-29-2016 |
473200000 | Indicator integral with projectile | 4 |
20090075744 | DETERMINATION OF SPIN PARAMETERS OF A SPORTS BALL - A method of determining spin parameters of a spot ball, such as spin axis and rotation velocity of a golf ball. The spin axis is determined solely from the trajectory of the flying ball, and the rotational velocity is determined from a frequency analysis of a signal provided by a radar, which signal comprises spectrum traces positioned equidistantly in frequency, which frequency distance relates to the spin velocity. | 03-19-2009 |
20110224008 | Golf Ball With Piezoelectric Material - A golf ball including a piezoelectric material allows the characteristics of the golf ball to be changed by application of an electric current. An electric current may be applied to the piezoelectric material prior to impact of the golf ball by the golf club using a golf tee with a power source. An electric current may be applied to the piezoelectric material after impact of the golf ball by the golf club and during flight of the golf ball. By selectively applying or removing electric current prior to, during, or after impact with the golf club, the characteristics of the golf ball may be changed and the flight path characteristics of the golf ball may be altered. | 09-15-2011 |
20130157773 | GOLF TRAINING APPARATUS AND METHOD - Disclosed in certain embodiments is a golf training aid comprising a spheroid segment comprising a dimpled outer circumferential surface, a first substantially flat base surface, and a second substantially flat base surface, wherein the first substantially flat base surface and the second substantially flat base surface are substantially parallel to each other and are substantially equal in size. | 06-20-2013 |
20130165245 | Golf Ball Having Partial Cured UV Coating - A golf ball may include a UV curable coating layer that is only partially cured upon finishing. The golf ball may be used in its partially cured state in a game of golf, where the partially cured state may be advantageous for play under wet conditions. The coating layer may then further cure upon exposure to UV light, such as ambient environmental light from the sun during a game of golf in sunny conditions. As a result of this further curing, the coating may transition to a cured state that is associated with play characteristics that are advantageous for play under sunny dry conditions. | 06-27-2013 |