Inflatable ball with a digital pressure display

Details Inflatable ball with a digital pressure display Inflatable ball with a digital pressure display

1997-05-19

1998-05-26

Wong, Steven B.

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

With light-emitting, electrical, magnetic, or rotatable...

A63B 4100

Patent

active

057556342

ABSTRACT:
An inflatable ball with a digital pressure display including a ball body, and a pressure display mechanism disposed in the ball body. The pressure display mechanism includes a pressure sensor and a display. The sensor may detect the pressure of air inside the ball body, and the display indicates the air pressure value, so that the user may know the amount of air pressure in the ball body any time.

REFERENCES:
patent: 4577865 (1986-03-01), Shishido
patent: 4775948 (1988-10-01), Dial et al.
patent: 5098095 (1992-03-01), Weiss
patent: 5677492 (1997-10-01), Huang

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