<p>A piezoelectric motion detector is disclosed. The device is particularly suitable for use in analyzing a golf ball when hit from a golf tee (60). A piezoelectric film (68) is affixed to the bottom of a tee having a base (62). A signal generated by the piezoelectric film (68) is amplified and is used, for example, to open a camera shutter and initiate a sequence of light flashes. <IMAGE></p>
申请公布号
DE69107039(D1)
申请公布日期
1995.03.09
申请号
DE1991607039
申请日期
1991.12.13
申请人
ACUSHNET CO., NEW BEDFORD, MASS., US
发明人
GOBUSH, WILLIAM, NORTH DARTMOUTH, MASSACHUSETTS 02747, US;DAYS, CHARLES, SOUTH DARTMOUTH, MASSACHUSETTS 027487, US