| 发明名称 |
Tape cassette containing run counter disc |
| 摘要 |
A tape use counting mechanism in a cassette comprising a numbered disc which is advanced one numbered space for each play cycle by friction drive from a supporting tape reel under control of pawls actuated by a lever contacting the reeled tape.
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| 申请公布号 |
US4575778(A) |
申请公布日期 |
1986.03.11 |
| 申请号 |
US19830457905 |
申请日期 |
1983.01.14 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
VOGELGESANG, PETER J. |
| 分类号 |
G11B23/087;(IPC1-7):G11B23/02;G11B5/008;G11B15/00;G11B17/00 |
主分类号 |
G11B23/087 |
| 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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