Target alignment system for use with a golf club
First Claim
1. A method for determining the precise club face angle of a golf club with respect to a given target direction during the address position prior to the initiation of a stroke, and the club face angle at the moment of impact comprising the steps of-providing a reflecting surface on the golf club at a known angle relative to the ball striking face of the club;
- projecting a beam of radiation at a known angle with respect to the target direction toward said reflecting surface;
making a first reflection of said radiation beam from said reflecting surface prior to the initiation of a stroke movement by said golf club;
detecting said reflected radiation beam and providing a first indication representative of the club face angle during the address position of said golf club;
initiating a stroke movement of said golf club;
making a second reflection from said reflecting surface on the golf club after initiation of a stroke movement while the club is moving during the stroke and providing a second indication representative of the club face angle during the stroke movement.
3 Assignments
0 Petitions
Accused Products
Abstract
A target alignment system for use with a golf club for determining the precise clubface angle relative to a target path in the direction which a ball is intended to travel. The system provides an indication of the clubface angle during address of the club behind the ball and an indication of the clubface angle at the moment of impact when the ball is struck. The system includes a light source and optics for projecting a light beam, a reflecting surface of the golf club for reflecting the light beam to an array of photodetectors, and a display which is energized in accordance with the measured clubface angle.
-
Citations
12 Claims
-
1. A method for determining the precise club face angle of a golf club with respect to a given target direction during the address position prior to the initiation of a stroke, and the club face angle at the moment of impact comprising the steps of-
providing a reflecting surface on the golf club at a known angle relative to the ball striking face of the club; -
projecting a beam of radiation at a known angle with respect to the target direction toward said reflecting surface; making a first reflection of said radiation beam from said reflecting surface prior to the initiation of a stroke movement by said golf club; detecting said reflected radiation beam and providing a first indication representative of the club face angle during the address position of said golf club; initiating a stroke movement of said golf club; making a second reflection from said reflecting surface on the golf club after initiation of a stroke movement while the club is moving during the stroke and providing a second indication representative of the club face angle during the stroke movement. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A golf club alignment system providing an indication of the angle of the ball striking face of a golf club with respect to a given target direction in an address position with the club head at rest and in a stroke position with the club head moving comprising the combination of:
-
a radiation source; means for projecting said radiation source in a beam; reflecting means attached to said gold club adapted to reflect said radiation beam at an angle determined by the position of said ball striking face; a series of detectors operably responsive to said reflected radiation beam; indicator means including a plurality of indicators, particular ones of said indicators connected to particular ones of said series of detectors; circuit means for energizing one of said indicators in accordance with the corresponding detector being radiated by said radiation beam; and further circuit means including a timer circuit for maintaining a particular one of said indicators energized when said corresponding detector is radiated for a period of time less than the predetermined time parameters established by said timer circuit. - View Dependent Claims (9, 10, 11, 12)
-
Specification