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Patent Searching and Data


Title:
BALL SENSOR AND DISPLAY UNIT USED IN BALL GAME MACHINE
Document Type and Number:
Japanese Patent JP2000233036
Kind Code:
A
Abstract:

To provide a ball sensor of simple structure and high durability, not affected by the influence from the other parts in the display for the contact of a ball, surely sensing the contact of the ball, and hardly failed by the repeated contact with the ball.

A ball sensor comprises a housing 11, a sponge body 12 stored in the housing 11 and discharging the air by the impact by the contact of a ball 30, a soft film body 13 covering a front surface of the sponge body 12 and mounted on a surface of the housing 11, and an air current sensing switch 14 connected to a rear surface of the housing 11, sensing the gas from the sponge body 12 when the ball 30 is contacted with a target, and generating an electric signal, and a plurality of ball sensors are mounted on the predetermined positions of the target in a state that the soft film bodies 13 are directed to a play zone side.


Inventors:
Uto, Yoshitsugu
Application Number:
JP1999000036324
Publication Date:
August 29, 2000
Filing Date:
February 15, 1999
Export Citation:
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Assignee:
C-DIC:KK
International Classes:
A63B63/00; A63B69/00; A63B71/06; (IPC1-7): A63B69/00; A63B63/00; A63B71/06