| 发明名称 |
ILLUMINATION SENSOR AND ELECTRONIC AUTOMATIC ON/OFF SWITCH |
| 摘要 |
A solar battery SB for detecting the surrounding brightness is provided and a switching element SW is controlled based on output voltage of the solar battery SB. The switching element SW is made up of MOSFETs Q1 and Q2. To form an electronic automatic on/off switch, a triac Q is controlled by turning on/off the switching element SW.
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| 申请公布号 |
CA2310292(C) |
申请公布日期 |
2004.06.29 |
| 申请号 |
CA20002310292 |
申请日期 |
2000.05.30 |
| 申请人 |
MATSUSHITA ELECTRIC WORKS, LTD. |
发明人 |
ISHIGAMI, YOSHIHISA;AKINARI, YOSHINORI;KITAMURA, NOBUHIRO;MURATA, YUKIHIRO |
| 分类号 |
G01J1/42;H03K17/94;H05B37/02;H05B41/285;(IPC1-7):H03K17/94 |
主分类号 |
G01J1/42 |
| 代理机构 |
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