发明名称 |
Flash device |
摘要 |
A flash device comprising a power source; a main capacitor adapted to be charged by the power source; a flash firing unit operable to consume charge stored in the main capacitor to emit a flash light; a switching unit disposed in a discharge loop for the main capacitor through the flash firing unit; a trigger circuit for exciting the flash firing unit in response to a flash firing command; a pulse output unit, which is operable to output some kinds of pulses, the duty factors of the pulses being different from each other, for inputting a selecting command and For outputting one of the pulses in accordance with the selecting command; and a control unit for causing the switching unit to be switched on and off repeatedly in response to the pulse outputted from the pulse output unit.
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申请公布号 |
US6009281(A) |
申请公布日期 |
1999.12.28 |
申请号 |
US19940222009 |
申请日期 |
1994.04.04 |
申请人 |
MINOLTA CO., LTD. |
发明人 |
HOSOMIZU, HIROSHI;ICHIKAWA, TSUTOMU;KAMIYA, MAKOTO;YONEYAMA, MASATOSHI;TUZI, KENZI |
分类号 |
G03B15/05;H05B41/32;(IPC1-7):G03B15/05 |
主分类号 |
G03B15/05 |
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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