LIGHT PROJECTION AND RECEPTION DEVICE
PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception part from being emitted from a light projection and reception branch means to a projection side. SOLUTION: The light projection and receptio...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
07.02.2003
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception part from being emitted from a light projection and reception branch means to a projection side. SOLUTION: The light projection and reception device having a light projecting means having a light emission part projecting linear polarized light, a light receiving means having a light reception part, and the light projection and reception branch means for making the projection light and reception light branch is equipped with a polarization state converting means which converts the linear polarized light into circular polarized light and transmits it between the light reception part and light projection and reception branch means. |
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| AbstractList | PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception part from being emitted from a light projection and reception branch means to a projection side. SOLUTION: The light projection and reception device having a light projecting means having a light emission part projecting linear polarized light, a light receiving means having a light reception part, and the light projection and reception branch means for making the projection light and reception light branch is equipped with a polarization state converting means which converts the linear polarized light into circular polarized light and transmits it between the light reception part and light projection and reception branch means. |
| Author | ORINO TATEKI |
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| Notes | Application Number: JP20010225247 |
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| RelatedCompanies | CANON INC |
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| Snippet | PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TRANSMISSION |
| Title | LIGHT PROJECTION AND RECEPTION DEVICE |
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