U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Golf swing analysis method and apparatus

Patent 5792000 Issued on August 11, 1998. Estimated Expiration Date: Icon_subject July 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3270564

Athletic swing measurement system and method
Patent #: 3945646
Issued on: 03/23/1976
Inventor: Hammond

High speed instantaneous multi-image recorder
Patent #: 4713686
Issued on: 12/15/1987
Inventor: Ozaki ,   et al.

Gold practice apparatus Patent #: 5342054
Issued on: 08/30/1994
Inventor: Chang, et al.

Inventors

Assignee

Application

No. 686468 filed on 07/25/1996

US Classes:

473/223, Integral with or attachable to swingable implement473/409Method

Examiners

Primary: Marlo, George J.

Attorney, Agent or Firm

International Class

A63B 069/36

Abstract

Analysis of a golfer's swing is effected by the golfer's swinging a club which has sensors fixed to the club shaft in such manner as to sense torsion of the shaft and flexing of the shaft in a direction corresponding to the direction of the swing pattern and perpendicular to the swing path. At selected times during the swing when the torsional and flexing forces are at predetermined values, a camera is activated to photograph the golfer in the position he or she occupies at the instant each photograph is taken. The golfer then is enabled to see the position of his or her head, shoulders, hips, legs, arms, and hands at the time of each photograph and an instructor is enabled to concentrate on instructional drills that will result in improving the golfer's swing.

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