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.
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
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