发明授权
- 专利标题: Nuclear-paced solid state wristwatch
- 专利标题(中): 核硬质固体手表
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申请号: US3724201D申请日: 1971-01-27
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公开(公告)号: US3724201A公开(公告)日: 1973-04-03
- 发明人: BERGEY J
- 申请人: HMW INDUSTRIES
- 专利权人: Hmw Industries
- 当前专利权人: Hmw Industries
- 优先权: US11016771 1971-01-27
- 主分类号: G04F5/16
- IPC分类号: G04F5/16 ; G04B19/30 ; G04C3/00
摘要:
Disclosed is a solid state wristwatch incorporating a nuclear timing source. A radioisotope such as Radium 226 decays, producing alpha particles that are detected and converted into electrical pulses of constant frequency. The electrical signals are divided in a CMOS binary chain and used to drive a digital time display of light emitting diodes. The watch is powered by a conventional 3 volt battery.