发明授权
- 专利标题： Automatic phonograph bonus award system
- 专利标题（中）： 自动留声机奖金制度
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申请号： US89366申请日： 1979-10-30
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公开(公告)号： US4258838A公开(公告)日： 1981-03-31
- 发明人: Donald C. Rockola , Michael Schneider , Leonard A. Distaso
- 申请人： Donald C. Rockola , Michael Schneider , Leonard A. Distaso
- 专利权人： Rockola Donald C,Michael Schneider,Distaso Leonard A
- 当前专利权人： Rockola Donald C,Michael Schneider,Distaso Leonard A
- 主分类号： G07F17/30
- IPC分类号： G07F17/30 ; G11B19/08 ; G11B27/00
摘要：
A bonus award system for an automatic phonograph offers bonus pricing during bonus time intervals. Optionally operable means are provided for initiating bonus intervals in the absence or presence of record plays during random time intervals, which are determined in part by phonograph customer activity.
公开/授权文献
- US6071212A Gymnastic equipment for vaulting exercises 公开/授权日：2000-06-06
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