发明授权
- 专利标题： System for synchronizing sounds with learning materials
- 专利标题（中）： 用于与学习材料同步声音的系统
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申请号： US3738021D申请日： 1970-10-15
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公开(公告)号： US3738021A公开(公告)日： 1973-06-12
- 发明人: NISHIYAMA A , NISHIMURA K , KOZU I , FUJISAWA K , HINO T , ORITA T
- 申请人： MATSUSHITA ELECTRIC IND CO LTD
- 专利权人： Matsushita Electric Ind Co Ltd
- 当前专利权人： Matsushita Electric Ind Co Ltd
- 优先权： JP8439069 1969-10-20
- 主分类号： B42D1/00
- IPC分类号： B42D1/00 ; G09B5/06
摘要：
A system for synchronizing sounds with learning materials has a sound reproducing device, learning materials, stopping means and detecting means. The sound reproducing device is stopped by means of the stopping means and is started again by the stopping means which is released from the stopped position in response to output signals of the detecting means generated by detecting a change to the next part of the learning materials.
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