Screen illumination apparatus and method
First Claim
Patent Images
1. In a device for directing light longitudinally forwardly, the combination comprising:
- a) a light source, and a protective, transparent envelope extending about the light source,b) a drum lens having a body extending about the light source and envelope, for refracting light from the source,c) a light reflector extending about the drum lens body, for forwardly and convergently re-directing refracted light received from the drum lens body,d) and a correcting lens for receiving a collimating re-directed light screened from the reflector.
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Abstract
In a device for directing light longitudinally forwardly, the combination comprising a light source, and a protective, transparent envelope extending about the light source; a drum lens having a body extending about the light source and envelope, for refracting light from the source; a light reflector extending about the drum lens body, for forwardly and convergently re-directing refracted light received from the drum lens body; and a correcting lens for receiving a collimating re-directed light screened from the reflector.
61 Citations
13 Claims
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1. In a device for directing light longitudinally forwardly, the combination comprising:
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a) a light source, and a protective, transparent envelope extending about the light source, b) a drum lens having a body extending about the light source and envelope, for refracting light from the source, c) a light reflector extending about the drum lens body, for forwardly and convergently re-directing refracted light received from the drum lens body, d) and a correcting lens for receiving a collimating re-directed light screened from the reflector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification