Attitude sensor for determining camera orientation
First Claim
1. An attitude sensor for determining camera orientation comprising gravity responsive means supported for movement to various positions in accordance with changes in camera orientation and fixed means for determining said gravity responsive means has moved to anyone of its positions, is characterized in that:
- said gravity responsive means includes a plurality of discrete sections which have different degrees of light reflectivity or light transmissivity and are arranged to alternately occupy a predetermined location when the gravity responsive means is moved to respective ones of its positions; and
said fixed means includes photo-emitting means for directing light to whichever one of the discrete sections of said gravity responsive is occupying said predetermined location and photo-responsive means for providing a measure of light reflected from or transmitted by that one section.
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Accused Products
Abstract
An attitude sensor for determining camera orientation comprises gravity responsive means supported for movement to various positions in accordance with changes in camera orientation and fixed means for determining the gravity responsive means has moved to anyone of its positions. The gravity responsive means includes a plurality of discrete sections which have different degrees of light reflectivity or light transmissivity and are arranged to alternately occupy a predetermined location when the gravity responsive means is moved to respective ones of its positions. The fixed means includes photo-emitting means for directing light to whichever one of the discrete sections of the gravity responsive is occupying the predetermined location and photo-responsive means for providing a measure of light reflected from or transmitted by that one section.
25 Citations
3 Claims
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1. An attitude sensor for determining camera orientation comprising gravity responsive means supported for movement to various positions in accordance with changes in camera orientation and fixed means for determining said gravity responsive means has moved to anyone of its positions, is characterized in that:
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said gravity responsive means includes a plurality of discrete sections which have different degrees of light reflectivity or light transmissivity and are arranged to alternately occupy a predetermined location when the gravity responsive means is moved to respective ones of its positions; and said fixed means includes photo-emitting means for directing light to whichever one of the discrete sections of said gravity responsive is occupying said predetermined location and photo-responsive means for providing a measure of light reflected from or transmitted by that one section. - View Dependent Claims (2, 3)
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Specification