Infrared projector
First Claim
Patent Images
1. An infrared projector comprising:
- an invisible light source configured to radiate only invisible lights including infrared rays; and
a visual indicator configured to indicate an operation condition of the invisible light source by emitting visible light when the visual indicator is excited by infrared rays from the infrared light source.
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Accused Products
Abstract
An infrared projector including: a light source which radiates an infrared ray; and an emitter which emits visible light when exposed to infrared light, wherein the emitter is provided on a position where the infrared ray radiated from the light source reaches.
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Citations
9 Claims
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1. An infrared projector comprising:
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an invisible light source configured to radiate only invisible lights including infrared rays; and a visual indicator configured to indicate an operation condition of the invisible light source by emitting visible light when the visual indicator is excited by infrared rays from the infrared light source. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for visually checking that an infrared projector is turned on, the method comprising:
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providing an invisible light source configured to radiate only invisible lights including infrared rays and a visual indicator configured to indicate an operation condition of the invisible light source by emitting visible light when the indicator is excited by infrared light from the invisible light source; and providing the visual indicator on a position where infrared rays radiated from the light source reach.
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9. An infrared projector comprising:
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an invisible light source for radiating only invisible lights including infrared rays; and visual indication means for indicating an operation condition of the invisible light source by emitting visible light when the visual indication means is excited by infrared rays from the infrared light source.
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Specification