Light control systems and methods
First Claim
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1. A light-emitting device control system, comprising:
- a beam steering mechanism that directs a beam of light at a first surface location, wherein an illumination region is formed at the first surface location in response to the directed beam of light;
a sensor that recognizes a hand gesture only at a control spot identified by color light that is different than, smaller than, and a portion of a size of, the illumination region, wherein the sensor detects a presence of the hand gesture by hand temperature or skin color;
a processor that converts data related to the hand gesture at or near the control spot into a command signal;
a controller that instructs the beam steering mechanism to move the illumination region to a second surface location in response to the command signal corresponding to the hand gesture in the control spot; and
a control spot generator that generates the control spot for providing a region at a specific position for the hand gesture allowing the sensor to recognize the hand gesture only in the region at the specific position for the hand gesture; and
a light source module that outputs the beam of light to the beam steering mechanism for directing the beam of light to at least one of the first surface location and the second surface location, wherein the light source module comprises the control spot generator, and wherein the light source module further comprises a lens, a light source, and a partial filter having a color filtered region and an unfiltered region, wherein the control spot is formed by the color filtered region, the illumination region is formed by the unfiltered region, wherein the partial filter is at a focal plane of the lens, and wherein the control spot provides the region at the specific position for the hand gesture to be recognized as a command corresponding to the command signal.
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Abstract
Provided is a light-emitting device control system, comprising a beam steering mechanism that directs a beam of light at a first surface location, wherein an illumination region is formed at the first surface location in response to the directed beam of light, a sensor that recognizes a hand gesture at the illumination region; a processor that converts data related to the hand gesture into a command signal, and a controller that instructs the beam steering mechanism to move the illumination region to a second surface location in response to the command signal corresponding to the hand gesture.
65 Citations
36 Claims
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1. A light-emitting device control system, comprising:
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a beam steering mechanism that directs a beam of light at a first surface location, wherein an illumination region is formed at the first surface location in response to the directed beam of light; a sensor that recognizes a hand gesture only at a control spot identified by color light that is different than, smaller than, and a portion of a size of, the illumination region, wherein the sensor detects a presence of the hand gesture by hand temperature or skin color; a processor that converts data related to the hand gesture at or near the control spot into a command signal; a controller that instructs the beam steering mechanism to move the illumination region to a second surface location in response to the command signal corresponding to the hand gesture in the control spot; and a control spot generator that generates the control spot for providing a region at a specific position for the hand gesture allowing the sensor to recognize the hand gesture only in the region at the specific position for the hand gesture; and a light source module that outputs the beam of light to the beam steering mechanism for directing the beam of light to at least one of the first surface location and the second surface location, wherein the light source module comprises the control spot generator, and wherein the light source module further comprises a lens, a light source, and a partial filter having a color filtered region and an unfiltered region, wherein the control spot is formed by the color filtered region, the illumination region is formed by the unfiltered region, wherein the partial filter is at a focal plane of the lens, and wherein the control spot provides the region at the specific position for the hand gesture to be recognized as a command corresponding to the command signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A multi-spectral flashlight camera, comprising:
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a pyramid mirror; a light source; two or more focal plane array (FPA) devices, each operating in a different light wave spectrum; an aperture lens shared by the light source and the FPA devices at a foci of the lens, wherein light from the light source exits the aperture lens and forms an illumination area relative to a target, wherein reflected and emitted light from the target enters the aperture lens, wherein the pyramid mirror divides the received light so that a percentage of the received light via the aperture lens enters an FPA device of the two or more FPA devices, and wherein the illumination area and an image area corresponding to the FPA devices are at a same area, each FPA device seeing the target at a different spectrum allowing an illumination and capture of multi-spectral images of the target at the same time; and processing electronics for image acquisition and processing. - View Dependent Claims (34)
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35. A multi-spectral flashlight camera, comprising:
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a pyramid mirror; an LED light source; a visible channel; an uncooled thermal channel; an aperture lens that is shared by the light source, the visible channel, and the uncooled thermal channel at a foci of the lens allowing illumination and capture of visible and thermal images of a target at the same time, wherein light from the LED light source forms an illumination area relative to the target, wherein an illumination area and an image area corresponding to the uncooled thermal channel and visible channel are at a same area, wherein the light from the light source is redirected by the pyramid mirror and exits the aperture lens and illuminates a target, and wherein the visible image is provided by the reflected light of the illuminated target, the pyramid mirror redirects the reflected target light received via the aperture lens into the visible FPA device of the visible channel and wherein the thermal image is provided of the self-emission target, the pyramid mirror redirects the thermal light into the thermal FPA device of the thermal channel; and processing electronics for image acquisition and processing.
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36. A light-emitting device control system, comprising:
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a beam steering mechanism that directs a beam of light at a first surface location, wherein an illumination region is formed at the first surface location in response to the directed beam of light; a sensor that recognizes a hand gesture only at a control spot identified by color light that is different than, and a portion of a size of, the illumination region, wherein the sensor detects a presence of the hand gesture by hand temperature or skin color; a processor that converts data related to the hand gesture at or near the control spot into a command signal; a controller that instructs the beam steering mechanism to move the illumination region to a second surface location in response to the command signal corresponding to the hand gesture; and a control spot generator that generates the control spot for providing a region at a specific position for the hand gesture allowing the sensor to recognize the hand gesture only in the region at the specific position for the hand gesture, wherein the light-emitting device control system is constructed and arranged in an optical wireless communications network, and wherein the beam steering mechanism moves the illumination spot to a location for both illumination and optical wireless communications, the light of the illumination spot is for both illumination and communication and for carrying data that is received by an optical wireless device positioned at the location of the illumination spot, wherein the illumination light and communication light can be from the same light source or from separate light sources, wherein the wireless communication light source is a laser or an LED light source providing a spectrum in the visible or infrared range, and wherein the light source decouples illumination light from communication light allowing an adjustment of an illumination light level without affecting the optical wireless communications.
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Specification