发明名称 |
Jet bumper for a pinball game |
摘要 |
The jet bumper of the invention consists of a body mounted to the playfield. A solenoid actuator and rebound ring are mounted on the body. An eddy current sensor is disposed about the body to detect the approach of a ball. Upon detection of the ball, the eddy current sensor energizes the solenoid actuator to retract the rebound ring and propel the ball.
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申请公布号 |
US5697612(A) |
申请公布日期 |
1997.12.16 |
申请号 |
US19950489821 |
申请日期 |
1995.06.13 |
申请人 |
WILLIAMS ELECTRONICS GAMES, INC. |
发明人 |
PIOTROWSKI, PETER J.;ROEDER, WALTER D. |
分类号 |
A63F7/30;(IPC1-7):A63F7/30 |
主分类号 |
A63F7/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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