| 发明名称 |
SAFETY DEVICE |
| 摘要 |
<p>SAFETY DEVICE A safety device for use with an electric appliance to prevent the appliance from inadvertently being started if the appliance is plugged into an outlet when the on/off switch of the appliance is in its on state. A low level sensing current is applied to the appliance before full operating power is applied to the appliance. Detection of the low level sensing current prevents application of full operating power. If no sensing current is detected, full power is applied and the detector is disabled.</p> |
| 申请公布号 |
CA1197600(A) |
申请公布日期 |
1985.12.03 |
| 申请号 |
CA19830425582 |
申请日期 |
1983.04.11 |
| 申请人 |
SINGER COMPANY (THE) |
发明人 |
BARTHEL, RICHARD C.;ROY, RICHARD D. |
| 分类号 |
H02H11/00;(IPC1-7):H02H3/027 |
主分类号 |
H02H11/00 |
| 代理机构 |
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代理人 |
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