发明名称 |
Circuitry for electronic scoring dartboard |
摘要 |
An electronic dartboard which includes a circuit board having a plurality of contacts and a dart-engaging target assembly mounted in front of the circuit board. The target assembly has a plurality of individual scoring blocks. Each block has at least one stem rearwardly protruding towards the circuit board. A conductor point and a buffer ring are provided at the back end of the stem. The buffer ring spaces the conductor point from the contact point. When a dart is thrown on the dartboard the buffer ring deforms engaging the conductor point with the contact point.
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申请公布号 |
US4804193(A) |
申请公布日期 |
1989.02.14 |
申请号 |
US19870098975 |
申请日期 |
1987.09.21 |
申请人 |
AN WEI ENTERPRISE CO., LTD;CORTINA INTERNATIONAL CORP. |
发明人 |
LIN, JUI S.;LIN, DANIEL |
分类号 |
F41J5/052;(IPC1-7):F41J5/04 |
主分类号 |
F41J5/052 |
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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