发明名称 Horizon control
摘要 A horizon control for indicating to a user whether a camera is level with respective to the ground. The horizon control includes an x-axis level indicator for indicating to a user when the x-axis of the camera is level with the ground surface and a y-axis level indicator for indicating to a user when the y-axis of the camera is level with the ground surface. A x-axis level detector is provided for detecting whether the x-axis of the camera is level with the ground surface, the x-axis level detector is provided in the camera, the x-axis level detector is electrically connected to the x-axis level indicator. A y-axis level detector is provided for detecting whether the y-axis of the camera is level with the ground surface, the y-axis level detector is provided in the camera, the y-axis level detector is electrically connected to the y-axis level indicator.
申请公布号 US6011926(A) 申请公布日期 2000.01.04
申请号 US19980112693 申请日期 1998.07.09
申请人 COCKELL, PATRICK G. 发明人 COCKELL, PATRICK G.
分类号 G03B17/20;(IPC1-7):G03B17/24 主分类号 G03B17/20
代理机构 代理人
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