Automatic projector safety protocols
First Claim
Patent Images
1. A projector comprising:
- a detector configured to detect first out-of-band (OOB) electromagnetic radiation;
a processor configured to implement a protocol responsive to the detector detecting the first OOB electromagnetic radiation, wherein the protocol comprises reducing an intensity of light projected by the projector; and
an emitter configured to emit second OOB electromagnetic radiation, wherein the first OOB electromagnetic radiation comprises a reflection of the second OOB electromagnetic radiation;
wherein the processor implements the protocol only responsive to the first OOB electromagnetic radiation and the second OOB electromagnetic radiation having substantially the same wavelength.
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Abstract
A projector having corresponding methods and computer-readable media comprises a detector configured to detect electromagnetic radiation; and a processor configured to implement a protocol responsive to the detector detecting the electromagnetic radiation, wherein the protocol comprises reducing an intensity of light projected by the projector.
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Citations
15 Claims
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1. A projector comprising:
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a detector configured to detect first out-of-band (OOB) electromagnetic radiation; a processor configured to implement a protocol responsive to the detector detecting the first OOB electromagnetic radiation, wherein the protocol comprises reducing an intensity of light projected by the projector; and an emitter configured to emit second OOB electromagnetic radiation, wherein the first OOB electromagnetic radiation comprises a reflection of the second OOB electromagnetic radiation; wherein the processor implements the protocol only responsive to the first OOB electromagnetic radiation and the second OOB electromagnetic radiation having substantially the same wavelength. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method comprising:
- projecting light;
detecting first out-of-band (OOB) electromagnetic radiation; implementing a protocol responsive to detecting the first OOB electromagnetic radiation, wherein the protocol comprises reducing an intensity of the light; and emitting second OOB electromagnetic radiation, wherein the first OOB electromagnetic radiation comprises a reflection of the second OOB electromagnetic radiation; and implementing the protocol only responsive to the first OOB electromagnetic radiation and the second OOB electromagnetic radiation having substantially the same wavelength. - View Dependent Claims (8, 9, 10, 11, 12)
- projecting light;
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13. Computer-readable non-transitory media embodying instructions executable by a computer to perform functions comprising:
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causing a projector to project light; implementing a protocol responsive to detecting first out-of-band (OOB) electromagnetic radiation, wherein the protocol comprises reducing an intensity of the light; causing the projector to emit second OOB electromagnetic radiation, wherein the first OOB electromagnetic radiation comprises a reflection of the second OOB electromagnetic radiation; and implementing the protocol only responsive to the first OOB electromagnetic radiation and the second OOB electromagnetic radiation having substantially the same wavelength. - View Dependent Claims (14, 15)
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Specification