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    • 4. 发明申请
    • LENS APPARATUS AND SHOOTING APPARATUS USING SAME
    • 使用相同的镜头装置和拍摄装置
    • WO2008152754A1
    • 2008-12-18
    • PCT/JP2007/071168
    • 2007-10-24
    • CANON KABUSHIKI KAISHATANAKA, Isao
    • TANAKA, Isao
    • H04N5/232G02B7/02G03B17/38
    • G03B17/38H04N5/23203
    • A lens apparatus can be easily set even in cases where the lens body and demands are distant from each other upon shooting without a decrease in the reliability. A lens body (20) mounted on a camera body (10) is provided with command signal converting unit, time-series position signal converting unit, wireless communication unit, communication condition monitoring unit and communication process switch unit. A signal converting unit (90) to which a zoom demand (70) and a focus demand (80) are connected is provided with time-series command signal converting unit, position signal converting unit and wireless communication unit. The lens body (20) and the signal converting unit (90) are configured to wirelessly communicate with each other to eliminate the use of connection cables thereby improving operationality while enabling highly reliable wireless communication.
    • 即使在不降低可靠性的情况下,透镜体和拍摄体在拍摄时彼此远离的情况下也可以容易地设定透镜装置。 安装在照相机主体(10)上的透镜体(20)设置有命令信号转换单元,时间序列位置信号转换单元,无线通信单元,通信条件监视单元和通信处理开关单元。 连接有变焦需求(70)和焦点需求(80)的信号转换单元(90)设置有时间序列指令信号转换单元,位置信号转换单元和无线通信单元。 透镜体(20)和信号转换单元(90)被配置为彼此无线地进行通信,以消除使用连接电缆,从而提高操作性,同时实现高可靠性的无线通信。