Remote control systems that can distinguish stray light sources
First Claim
1. A method for interpreting detectable light, wherein the detectable light comprises stray light and predetermined light, wherein the predetermined light has been generated by a plurality of light sources that are disposed in a predetermined pattern, and wherein a portion of the predetermined light comprises modulated light that has been modulated in accordance with a predetermined modulation characteristic by a light source of the plurality of light sources, the method comprising:
- detecting the detectable light; and
processing the detected light, using the predetermined modulation characteristic and the predetermined pattern, to distinguish the predetermined light from the stray light.
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Accused Products
Abstract
Remote control systems that can distinguish predetermined light sources from stray light sources, e.g., environmental light sources and/or reflections are provided. The predetermined light sources can be disposed in asymmetric substantially linear or two-dimensional patterns. The predetermined light sources also can output waveforms modulated in accordance with one or more signature modulation characteristics. The predetermined light sources also can output light at different signature wavelengths.
50 Citations
23 Claims
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1. A method for interpreting detectable light, wherein the detectable light comprises stray light and predetermined light, wherein the predetermined light has been generated by a plurality of light sources that are disposed in a predetermined pattern, and wherein a portion of the predetermined light comprises modulated light that has been modulated in accordance with a predetermined modulation characteristic by a light source of the plurality of light sources, the method comprising:
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detecting the detectable light; and processing the detected light, using the predetermined modulation characteristic and the predetermined pattern, to distinguish the predetermined light from the stray light. - View Dependent Claims (2, 3)
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4. A system for interpreting detectable light, wherein the detectable light comprises stray light and predetermined light, and wherein the predetermined light has been generated by a plurality of light sources, the system comprising:
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a light detection device configured to detect the detectable light; and a controller configured to process the detected light, using at least one characteristic of the plurality of light sources, for distinguishing the predetermined light from the stray light. - View Dependent Claims (5, 6, 7, 8)
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9. A method for interpreting detectable light, wherein the detectable light comprises stray light and predetermined light, and wherein the predetermined light has been generated by a plurality of light sources, the method comprising:
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detecting the detectable light; and processing the detected light, using at least one characteristic of the plurality of light sources that is determined prior to the detecting, to distinguish the predetermined light from the stray light. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification