发明授权
US4360764A Flash unit having plural flashlamps 失效
具有多个闪光灯的闪光单元

  • 专利标题: Flash unit having plural flashlamps
  • 专利标题(中): 具有多个闪光灯的闪光单元
  • 申请号: US197473
    申请日: 1980-10-16
  • 公开(公告)号: US4360764A
    公开(公告)日: 1982-11-23
  • 发明人: Hideo Yagi
  • 申请人: Hideo Yagi
  • 申请人地址: JPX Tokyo
  • 专利权人: Kabushiki Kaisha Sunpak
  • 当前专利权人: Kabushiki Kaisha Sunpak
  • 当前专利权人地址: JPX Tokyo
  • 优先权: JPX54-137581 19791026; JPX55-31550 19800314; JPX55-46008[U]JPX 19800405
  • 主分类号: G03B15/05
  • IPC分类号: G03B15/05 H05B41/34
Flash unit having plural flashlamps
摘要:
An electronic flash unit is disclosed which includes one flashlamp arranged to illuminate an object from the front side thereof and another flashlamp which is rotatably mounted and arranged to direct light at an angle such as to illuminate the object after reflection. Circuitry is provided for accurately controlling the relative illumination provided by the lamps and also for obtaining the optimum total exposure.
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