Horizon control

Details Horizon control Horizon control

1998-07-09

2000-01-04

Gray, David M.

Photography

Attitude sensing

396296, G03B 1724

Patent

active

060119268

ABSTRACT:
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.

REFERENCES:
patent: 4801793 (1989-01-01), Vaynshteyn
patent: 5313713 (1994-05-01), Heger et al.
patent: 5903782 (1999-05-01), Oxaal

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