Swing analyzing device

Details Swing analyzing device Swing analyzing device

Filed on

1990-10-10

Date issued

1993-08-03

Examiner

Harvey, Jack B.

Patent Class

Boots, shoes, and leggings

Other Related Categories

2731831, A63B 6936, A63B 5300

Type

Patent

Status

active

Patent number

052335445

Description

ABSTRACT:
A swing analyzing device comprising swing practice equipment such as a golf club, wherein acceleration sensors are arranged on the shaft or on an axis of the swing practice equipment, or near the axis, and a dynamic quantity representing a movement of the shaft, such as an angular velocity, angular acceleration, and angle of the shaft, is calculated from an output of the acceleration sensors. The acceleration sensors are preferably arranged on the shaft in a spaced apart relationship so that directions of detecting acceleration substantially coincide with an axis of the shaft. A further acceleration sensor can be arranged on the shaft so that a direction of detecting acceleration forms a certain angle with an axis of said shaft.

REFERENCES:
patent: 3270564 (1966-09-01), Evans
patent: 3717857 (1973-02-01), Evans
patent: 3788647 (1974-01-01), Evans
patent: 3806131 (1974-04-01), Evans
patent: 3945646 (1976-03-01), Hammond
patent: 4337049 (1982-06-01), Connelly
patent: 4991850 (1991-02-01), Wilhlem

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