发明名称 |
Multi-flash photography system |
摘要 |
A flash photography system having a camera body and external flash devices includes a designating device for designating a sync flash mode for a main flash emission; a first pre-flash emission mode in which the external flash devices are activated to emit a preliminary flash emission at the same time; a second pre-flash emission mode in which the plurality of external flash devices are activated to emit the preliminary flash emission in a predetermined order; a pre-flash emission mode selecting device which selects the first or second pre-flash emission mode in accordance with the designated sync flash mode; and a pre-flash emission command device which transmits a command signal to the external flash devices to emit the preliminary flash emission in the first or second pre-flash emission mode.
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申请公布号 |
US6512890(B2) |
申请公布日期 |
2003.01.28 |
申请号 |
US20010955163 |
申请日期 |
2001.09.19 |
申请人 |
PENTAX CORPORATION |
发明人 |
KAWASAKI MASAHIRO;SATO OSAMU;IWAMOTO SHIGERU;OHKURA TADAHISA;TANEOKA KAZUHITO |
分类号 |
G03B7/16;G03B15/03;G03B15/05;H05B41/32;(IPC1-7):G03B15/05 |
主分类号 |
G03B7/16 |
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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