Optical mixer for helmet visual display system
First Claim
Patent Images
1. A visual display system for use in a helmet, comprising:
- a light intensifier tube for presenting a night vision image;
a cathode-ray tube for presenting a synthetic image;
an dan optical mixer for mixing said night vision image and said synthetic image, including a pivoting optical plate with a spectrally reflective an angularly selective coating.
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Abstract
An optical mixer for use in a helmet visual display system including a light intensifier tube for night vision and a cathode-ray tube for the display of a synthetic image. The mixer includes a swinging glass plate with a spectrally reflective and angularly selective coating. When the angle of the swinging glass plate is changed, the amount of light transmitted through the mixer is changed.
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Citations
6 Claims
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1. A visual display system for use in a helmet, comprising:
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a light intensifier tube for presenting a night vision image; a cathode-ray tube for presenting a synthetic image;
an dan optical mixer for mixing said night vision image and said synthetic image, including a pivoting optical plate with a spectrally reflective an angularly selective coating. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification