Title: Golf putting training apparatus

Abstract: An electronic golf putting training apparatus including a first and second pivotally retractable sensor extending through the surface thereof flanking an imaginary golf ball for contacting points relative the heel and toe on the face of a golf club swung at the imaginary ball, the first and second sensors for actuating first and second switches substantially on contact with the club and for actuating third and fourth switches, respectively, a preset distance later, and circuitry connected to the first and second switches for actuating an angle right light if the first switch was actuated before the second indicating a ball, if struck, would have traveled right and for actuating an angle left light otherwise. In another embodiment, the apparatus also includes circuitry for measuring the elapse of time between the closure of the switches for calculating and displaying the angle and distance the imaginary ball would have traveled, whether it would have gone into an imaginary cup, and whether the club was accelerating when it actuated the sensors.

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Inventors: Long, Steven K. (San Jose, CA, US)

Application Number: 834183
Filing Date: 1977-09-19
Publication_date: 1979-12-25
Assignee:
Primary Class(es): 473/225
Other Classes:
US Patent Ref:

2933681	Apr, 1960	Crain	273/186.
2954232	Sep, 1960	Auer	273/185.
3020049	Feb, 1962	McNeill	273/186.
3550450	Dec, 1970	Griffin	273/185.
3601408	Aug, 1971	Wright	73/379.
3649029	Mar, 1972	Worrell	273/183.
3892414	Jul, 1975	Glasson et al.	273/181.
3894739	Jul, 1975	Goldstein	273/186.

Other Refs:
Primary Examiner: Hum, Vance Y.
Assistant Examiner:
Attorney: Hamrick; Claude A. S.