发明名称 |
Power saving device for electronic flash |
摘要 |
A power saving device for use in a power supply circuit has an electronic switching element which is turned on when a pushbutton normally open type switch is closed to actuate a DC-DC converter and a fully electronic control system which forces the electronic switching element into the non-conduction state after a predetermined time interval, to interrupt the connection of a low-voltage power source to the DC-DC converter.
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申请公布号 |
US4479076(A) |
申请公布日期 |
1984.10.23 |
申请号 |
US19810311611 |
申请日期 |
1981.10.15 |
申请人 |
WEST ELECTRIC CO., LTD. |
发明人 |
YAMAOKA, TETSUO;IWATA, HIROSHI |
分类号 |
H05B41/32;(IPC1-7):H05B41/32 |
主分类号 |
H05B41/32 |
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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