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Title:
PITCHING TRAINER WITH MEASURING FUNCTION OF SPEED AND POSITION OF BALL
Document Type and Number:
Japanese Patent JP2000342735
Kind Code:
A
Abstract:

To practice pitching concerning control in his own right without other's help and diagnose himself concerning control.

This trainer is composed of a front photoelectric sensor which is provided in a measuring frame 1 which is provided on a home base with having a depth toward vertical and horizontal directions every fixed space, a back photoelectric sensor which is provided toward vertical and horizontal directions of the frame with leaving fixed distance from the front photoelectric sensor and a controller 7 which judges whether ball or strike based on horizontal and vertical positions of the photoelectric sensor when light which is irradiated from the photoelectric sensor is interrupted and has a function that calculates and measures speed of a ball by a time which is required until when the back photoelectric sensor is interrupted in the beginning after when the front photoelectric sensor is interrupted. Furthermore, the trainer is composed of a display means 6 which shows whether strike of a pitched ball is excited, or not, a position of the passed ball and speed of the ball every time a pitcher pitches the ball toward the frame 1.


Inventors:
Takahashi, Hisaatsu
Endo, Tetsuaki
Application Number:
JP1999000161663
Publication Date:
December 12, 2000
Filing Date:
June 08, 1999
Export Citation:
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Assignee:
TAKAHASHI HISAATSU
TAKAHASHI KIYONORI
International Classes:
A63B63/00; A63B71/06; (IPC1-7): A63B63/00; A63B71/06



 
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