Golf training device having a two-dimensional, symmetrical optical sensor net

A golf training device having a two-dimensional, single planar and total symmetrical optical sensor net for detecting movement of a golf ball impacted to display data on the ball, comprising:

• a golf ball sensor means placed on a reference axis of a golf ball traveling direction for detection of a golf ball movement at initial impact;
• a square frame placed further along the golf ball traveling direction with respect to the golf ball sensor means, said square frame having a signal producing means holding part to support a light signal producing means on a first horizontal and a first vertical sides of the square frame and a signal detecting means holding part to support a signal detecting means on a second horizontal and a second vertical sides of the frame wherein the first horizontal and first vertical sides forming a first right angle diagonally above and opposed to a second right angle formed between the second horizontal and second vertical sides with respect to the golf ball sensor means;
• a light emitting means adapted to said light signal producing means to emit multiple light signals produced from a beam of light from said light signal producing means which comprises a focused laser beam and an optical splitter wherein said light emitting means comprises a series of glass slides equally spaced at a predetermined distance smaller than a diameter of a golf ball on the first horizontal and the first vertical sides of the signal producing means holding part to transmit and emit the multiple light signals produced by the focused laser beam to generate a two-dimensional, single planar optical net wherein the light signals in any area of the optical net in which the golf ball intercepts have a uniform density;
• a means to output a detection signal adapted to said light signal detecting means;
• said light signal detecting means comprises a series of detectors on the second horizontal and the second vertical sides of the signal detecting means holding part, said detectors are spatially arranged in accordance with the glass slides to form a totally symmetrical optical sensor net for detecting the multiple light signals emitting from the light emitting means;
• said optical sensor net having a dimension no less than 4 feet;
• a data processing means which receives and processes output signals from the light signal detecting means based on a movement of the golf ball;
• and
• a display means to display data generated from the movement of said golf ball.

A golf training device having an area of two-dimensional, symmetrical optical sensor net for detecting movement of a golf ball impacted to display data on the ball, comprising:

• a golf ball sensor means placed on a reference axis of a golf ball traveling direction for detection of a golf ball movement at initial impact;
• a "II" type parallel frame or an "U" shape frame placed further along the golf ball traveling direction with respect to the golf ball sensor means, said "II" shape parallel frame having a first vertical side and a second vertical side wherein said first vertical side and second vertical side are parallel to each other, yet perpendicular to a ground defined by the reference axis of the golf ball traveling direction and said "U" shape frame having, in addition to a first vertical side and a second vertical side, a bottom side in that said vertical sides are perpendicular to the bottom side or to a ground to which the bottom side of the "U" shape frame is fixed wherein each of said first and second vertical sides of the "II" shape parallel frame and the "U" shape frame is provided with a light signal producing means holding part to hold and support a light signal producing means and a light signal detecting means holding part to hold and support a light signal detecting means;
• a light emitting means adapted to said light signal producing means to emit multiple light signals produced from a beam of light from one focused light source to generate a two-dimensional optical net wherein the multiple light signals emitting from different sides of the frame are intercepted at an angle other than 90 degrees in that any area of the net in which the golf ball interrupts has a uniform density;
• a means to output a detection signal adapted to said light signal detecting means;
• said light signal detecting means being arranged in alignment with and in close proximity, with a distance smaller than a diameter of a golf ball, to the light emitting means on each vertical sides of the frame to form an area of symmetrical optical sensor net for detecting the multiple light signals emitting from the light emitting means;
• said optical sensor net having a dimension no less than 2 feet;
• a data processing means which receives and processes output signals from the light signal detecting means based on a movement of the golf ball;
• and
• a display means to display data generated from the movement of said golf ball.

A golf training device having an area of two-dimensional, symmetrical optical sensor net for detecting movement of a golf ball impacted to display data on the ball, comprising:

• a golf ball sensor means placed on a reference axis of a golf ball traveling direction for detection of a golf ball movement at initial impact;
• an "U"-shape or, in the alternative, a substantially "U"-shape frame placed further along the golf ball traveling direction with respect to the golf ball sensor means, said frame having a first and a second vertical sides and a bottom side in which said vertical sides are an equal length and perpendicular to said bottom side for the "U" shape frame and in which said vertical sides are in unequal length and perpendicular to said bottom side for the substantially "U" shape frame wherein at least one of said vertical sides is provided with at least one light signal producing means holding part to hold and support at least a light signal producing means and wherein the bottom side and one of the vertical sides are respectively provided with a light signal detecting means holding part to hold and support a light signal detecting means;
• a light emitting means adapted to said light signal producing means to emit multiple light signals produced from a beam of light from one focused light source to generate a two-dimensional, optical net wherein the multiple light signals are intercepted at an angle other than 90 degrees in that any area of the net in which the golf ball interrupts has a similar density;
• a means to output a detection signal adapted to said light signal detecting means;
• said light signal detecting means being so arranged as to receive and detect the multiple light signals emitting from the light emitting means to form an area of symmetrical optical sensor net;
• said optical sensor net having a dimension no less than 2 feet;
• a data processing means which receives and processes output signals from the light signal detecting means based on a movement of the golf ball;
• and
• a display means to display data generated from the movement of said golf ball.