Laser scanner and surveying system
A laser scanner comprising a distance measuring light projecting unit for emitting at least two distance measuring lights at a known deflection angle with respect to a projecting optical axis, a distance measuring unit for receiving at least two reflected distance measuring lights and performing a d...
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| creator | Kumagai, Kaoru Ohtomo, Fumio |
| description | A laser scanner comprising a distance measuring light projecting unit for emitting at least two distance measuring lights at a known deflection angle with respect to a projecting optical axis, a distance measuring unit for receiving at least two reflected distance measuring lights and performing a distance measurement, respectively, an optical axis deflector for deflecting optical axes of the distance measuring lights and the reflected distance measuring lights at the same deflection angle in the same direction, a projecting direction detecting module for deflecting a deflection angle and a deflecting direction by the optical axis deflector, and an arithmetic control module, wherein the arithmetic control module performs a two-dimensional scanning with the distance measuring lights, draws at least two loci on a plane to be measured, and measures the plane to be measured along at least the two loci substantially at the same time by the distance measuring unit. |
| format | Patent |
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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>2021</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=20210420&DB=EPODOC&CC=US&NR=10983196B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210420&DB=EPODOC&CC=US&NR=10983196B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kumagai, Kaoru</creatorcontrib><creatorcontrib>Ohtomo, Fumio</creatorcontrib><title>Laser scanner and surveying system</title><description>A laser scanner comprising a distance measuring light projecting unit for emitting at least two distance measuring lights at a known deflection angle with respect to a projecting optical axis, a distance measuring unit for receiving at least two reflected distance measuring lights and performing a distance measurement, respectively, an optical axis deflector for deflecting optical axes of the distance measuring lights and the reflected distance measuring lights at the same deflection angle in the same direction, a projecting direction detecting module for deflecting a deflection angle and a deflecting direction by the optical axis deflector, and an arithmetic control module, wherein the arithmetic control module performs a two-dimensional scanning with the distance measuring lights, draws at least two loci on a plane to be measured, and measures the plane to be measured along at least the two loci substantially at the same time by the distance measuring unit.</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>GYROSCOPIC INSTRUMENTS</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>NAVIGATION</subject><subject>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>SURVEYING</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDySSxOLVIoTk7MywPSiXkpCsWlRWWplZl56QrFlcUlqbk8DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSQ-NNjQwNLC2NDSzMnImBg1AMSxJmw</recordid><startdate>20210420</startdate><enddate>20210420</enddate><creator>Kumagai, Kaoru</creator><creator>Ohtomo, Fumio</creator><scope>EVB</scope></search><sort><creationdate>20210420</creationdate><title>Laser scanner and surveying system</title><author>Kumagai, Kaoru ; 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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 | Laser scanner and surveying system |
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