Gap detection devices of golf address and exercise form...

Details Gap detection devices of golf address and exercise form... Gap detection devices of golf address and exercise form...

2011-08-09

2011-08-09

Suhol, Dmitry (Department: 3716)

Games using tangible projectile

Golf

Projectile addressing surface and target, or distance marker

C473S152000, C473S155000, C473S156000

Reexamination Certificate

active

07993209

ABSTRACT:
It is aimed at providing a golf address deviation detecting apparatus capable of detecting as to which of inaccuracy in loft angle, inaccuracy in lie angle, and inaccuracy in face orientation, inaccuracy, if any, occurred upon address by golf club is caused by. There is provided an apparatus comprising a light reflecting section(s) and light irradiating units, so that inaccuracies in loft angle, lie angle, and face orientation are detected and distinguished from one another, based on differences among patterns of the light-beams reflected by the light reflecting section(s).

REFERENCES:
patent: 4341384 (1982-07-01), Thackrey
patent: 6692371 (2004-02-01), Berish et al.
patent: 6837799 (2005-01-01), Cameron et al.
patent: 2004/0221464 (2004-11-01), Burney et al.
patent: 2005/0213076 (2005-09-01), Saegusa
patent: 2002-159606 (2002-06-01), None

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