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2024
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Invention
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Card, barcode recognition method and apparatus, electronic device, and storage medium. Provided i... |
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Invention
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Microchannel matrix optical waveguide plate and method for fabricating same.
The present inventi... |
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2023
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Invention
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Micro-channel matrix optical waveguide flat plate and preparation method therefor. The present in... |
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2020
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Invention
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Non-contact aerial imaging device outside elevator hall. A non-contact aerial imaging device outs... |
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Invention
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Contactless aerial imaging elevator operation device. A contactless aerial imaging elevator opera... |
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Invention
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Optical imaging element and manufacturing method for optical imaging element. An optical imaging ... |
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Invention
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Method of cutting optical imaging element. Disclosed is a method of cutting an optical imaging el... |
