Optical device
An optical device comprises: a line sensor having a plurality of light reception elements that receive incident light including reflection light resulting from laser light having been emitted from a light source and reflected by an object, and including ambient light; a diffraction grating that guid...
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| creator | Izuta, Ryo Ochiai, Takanori Sato, Makoto Yanagisawa, Takuma Ogasawara, Masakazu |
| description | An optical device comprises: a line sensor having a plurality of light reception elements that receive incident light including reflection light resulting from laser light having been emitted from a light source and reflected by an object, and including ambient light; a diffraction grating that guides the incident light to the plurality of light reception elements by diffracting the incident light to a direction depending on the wavelength; and a control unit that detects the reflection light on the basis of the light reception amounts of the light reception elements. The diffraction grating is configured to guide, to one of the plurality of light reception elements, a wavelength within a predetermined range that includes the wavelength of the laser light emitted from the light source. |
| format | Patent |
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The diffraction grating is configured to guide, to one of the plurality of light reception elements, a wavelength within a predetermined range that includes the wavelength of the laser light emitted from the light source.</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; GYROSCOPIC INSTRUMENTS ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MEASURING DISTANCES, LEVELS OR BEARINGS ; NAVIGATION ; PHOTOGRAMMETRY OR VIDEOGRAMMETRY ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SURVEYING ; TESTING</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230516&DB=EPODOC&CC=US&NR=11650051B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230516&DB=EPODOC&CC=US&NR=11650051B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Izuta, Ryo</creatorcontrib><creatorcontrib>Ochiai, Takanori</creatorcontrib><creatorcontrib>Sato, Makoto</creatorcontrib><creatorcontrib>Yanagisawa, Takuma</creatorcontrib><creatorcontrib>Ogasawara, Masakazu</creatorcontrib><title>Optical device</title><description>An optical device comprises: a line sensor having a plurality of light reception elements that receive incident light including reflection light resulting from laser light having been emitted from a light source and reflected by an object, and including ambient light; a diffraction grating that guides the incident light to the plurality of light reception elements by diffracting the incident light to a direction depending on the wavelength; and a control unit that detects the reflection light on the basis of the light reception amounts of the light reception elements. 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| language | eng |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING |
| title | Optical device |
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