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1. 发明授权

US5877970A Analytical method and system for the design of iron club heads 失效
公开(公告)号：US5877970A
公开(公告)日：1999-03-02
申请号：US514147
申请日：1995-08-11
申请人： Steven M. Nesbit , Terry A. Hartzell
发明人： Steven M. Nesbit , Terry A. Hartzell
IPC分类号： A63B53/02 , A63B53/04 , G06T17/00 , G06F19/00
CPC分类号： G06T17/00 , A63B53/04 , A63B53/047 , A63B2053/0408 , A63B53/02 , Y10S715/964
摘要： A method for the design of a golf club head includes the selection, by the designer, of dimensions which define the basic shape of the golf club head. Once the basic shape of the club head is defined, critical points on the golf club head may be located. Once the basic shape and the critical points are known, a model of the basic shape may then be displayed. In addition, the method may further include the selection of desired mass properties, types of mass constraints and back-weighting parameters, all of which are determined by the designer. These specifications, in addition to the basic shape of the club head permit the design of back-weighting of the club head. Once the back-weighting has been designed, the final solid model of the golf club head, which includes the basic shape and back-weighting, may be displayed. In achieving the final solid model, the designer may employ finite element solid modeling methods, optimization algorithms, geometric influencing, and modification of the original criteria specified by the designer. The system which is used to perform the method, includes a computer loaded with a basic shape program and a finite element solid modeling program. The computer is also connected to a display. When the computer operates the basic shape program, the user-specified dimensions are retrieved and the locations of the critical points are determined. The computer then operates a finite element solid modeling program to retrieve the dimensions and critical points to then display the basic shape model. In addition, the computer includes a back-weighting program. When the computer operates the back-weighting program, the mass properties, types of mass constraints, and back-weighting parameters which were selected by the designer are retrieved and the critical points concerning the back-weighting are located. The computer then employs the finite element solid modeling and analysis program to display a final back-weighted solid model of a completed golf club head.

2. 发明授权

US06402635B1 Apparatus and method for measuring reaction forces and weight shifts 失效
标题翻译：用于测量反作用力和重量偏移的装置和方法
公开(公告)号：US06402635B1
公开(公告)日：2002-06-11
申请号：US08386064
申请日：1995-02-09
申请人： Steven M. Nesbit , Terry A. Hartzell , Anthony Shea , Michael Tracey , Lucien Webb
发明人： Steven M. Nesbit , Terry A. Hartzell , Anthony Shea , Michael Tracey , Lucien Webb
IPC分类号： A63B6900
CPC分类号： G01G19/50 , A63B69/3667 , A63B2069/367
摘要： The force plate data acquisition system measures, processes and analyzes the vertical reaction forces and various weight shifts between the ground and a golfer's feet during a swing. Plates are supported on cantilever beams through ball bearings. The beams are attached to a rigid frame and instrumented with strain gauges configured in a Wheatstone half bridge arrangement. An eight-channel strain gauge data acquisition board in a central processing unit records strain information. Data collection can be independent or controlled by a motion analysis system to provide synchronous foot force and video information. A set of BASIC programs collect strain readings from the foot plates, process the data, relate beam deflections to applied load and plots reaction force and weight shift information to the computer screen. Graphs produced are total vertical reaction force, foot-to-foot weight shift, heel-to-toe weight shift, outside-to-instep weight shift and the speeds of each. The data can be normalized for comparison purposes.
摘要翻译：力板数据采集系统在摆动期间测量，处理和分析垂直反作用力和地面与高尔夫球手脚之间的各种重量变化。板通过球轴承支撑在悬臂梁上。梁连接到刚性框架，并装配有配置在惠斯通半桥布置中的应变计。中央处理单元中的八通道应变计数据采集板记录应变信息。数据收集可以由运动分析系统独立或控制，以提供同步脚力和视频信息。一组BASIC程序从脚踏板收集应变读数，处理数据，将梁偏转与施加的载荷相关联，并将反作用力和重量移位信息绘制到计算机屏幕。产生的图形是总垂直反作用力，脚 - 脚重量偏移，脚跟 - 脚趾重量偏移，外部 - 脚背重量移动和每个的速度。为了进行比较，数据可以被归一化。

3. 发明授权

US5772522A Method of and system for analyzing a golf club swing 失效
标题翻译：高尔夫球杆摆动分析方法及系统
公开(公告)号：US5772522A
公开(公告)日：1998-06-30
申请号：US344725
申请日：1994-11-23
申请人： Steven M. Nesbit , Terry A. Hartzell , Keith A. Oglesby , Jeff Cole , Anthony F. Radich
发明人： Steven M. Nesbit , Terry A. Hartzell , Keith A. Oglesby , Jeff Cole , Anthony F. Radich
IPC分类号： A63B59/00 , A63B69/00 , A63B69/36
CPC分类号： A63B24/0003 , A63B69/36 , A63B2220/806 , A63B2220/807 , A63B60/42 , A63B69/3623
摘要： A method of and system for analyzing golf swings is described. A three dimensional android computer model of a human as well as a parametric dynamic computer model of a golf club are generated and combined. In addition, the three dimensional motions of a person swinging a golf club are recorded using cameras that track reflective markers placed at various locations on the person. A computer processes the marker path data to calculate three dimensional angular motions of the body segments of the person and the golf club which is then used to kinematically drive the joints of the android model to effect superposition of the recorded golf swing on the android model and golf club model. Kinetic data derived from the analysis of the model may in turn be used to dynamically drive the joints of the android model to also superimpose the recorded swing on the models. The results are used, among other things, to study the biomechanics of the golfer and the performance of the golf club.
摘要翻译：描述了用于分析高尔夫挥杆的方法和系统。生成并组合了人类的三维Android计算机模型以及高尔夫球杆的参数动态计算机模型。此外，使用跟踪放置在人的不同位置的反射标记的照相机记录挥杆高尔夫球杆的人的三维运动。计算机处理标记路径数据以计算人和高尔夫球杆的身体段的三维角运动，然后用于运动学地驱动android模型的关节，以实现在android模型上记录的高尔夫挥杆的叠加，高尔夫俱乐部模特儿从模型分析得到的动力学数据可以用于动态地驱动android模型的关节，以将记录的摆动叠加在模型上。结果被用于研究高尔夫球手的生物力学和高尔夫球杆的表现。

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