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    • 9. 发明公开
    • Radio remote control for photographic equipment
    • Funkfernsteuerungfüreine fotografischeAusrüstung
    • EP1729171A1
    • 2006-12-06
    • EP06252807.0
    • 2006-05-31
    • Tamrac, Inc.
    • McNary, Wade
    • G03B15/04G03B15/03G03B9/70H04N5/232H05B41/32G03B15/05
    • G03B15/03G03B9/70G03B15/0473G03B2215/0557H04N5/2256H04N5/23203H04N5/23241
    • A radio sync system (10) for photographic equipment includes a transmitter unit (12) and a receiver unit (14). The transmitter unit (12) utilizes a power-management scheme for keeping the transmitter unit (12) in a low-power stand-by state except when an RF signal needs to be transmitted, and returning the transmitter unit (12) back into the low-power stand-by state within a predefined short period of time after transmitting the RF signal. The receiver unit (14) utilizes a power-sensing scheme for keeping the receiver unit (14) in a low-power stand-by state when it is not connected to a remote photographic equipment or the remote photographic equipment is powered off but turning the receiver unit (14) on when it is connected to a remote photographic equipment and the remote photographic equipment is powered on such that, when an RF signal is received, the receiver unit (14) can send a command signal to operate the remote photographic equipment.
    • 用于摄影设备的无线电同步系统(10)包括发射机单元(12)和接收机单元(14)。 发射机单元(12)利用电力管理方案将发射机单元(12)保持在低功率待机状态,除了需要发射RF信号之外,并且将发射机单元(12)返回到 在发射RF信号之后的预定的短时间内的低功率待机状态。 接收器单元(14)利用功率检测方案,用于在接收机单元(14)未连接到远程摄影设备或远程摄影设备断电但将其转换为低功率待机状态时将其保持在低功率待机状态 接收器单元(14)当其连接到远程摄影设备并且远程摄像设备通电时,使得当接收到RF信号时,接收器单元(14)可以发送命令信号以操作远程摄影设备 。