OPTICAL DISTANCE MEASURING DEVICE
An optical distance measuring device (10, 11) includes a light emitting part (21), a mirror (26) that reflects the illumination light (IL) emitted by the light emitting part, a scanner (28) that scans a predetermined scanning range with the irradiation light by operating the mirror in a forward move...
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| creator | RINNAI Masato UENO Akifumi MIZUNO Fumiaki |
| description | An optical distance measuring device (10, 11) includes a light emitting part (21), a mirror (26) that reflects the illumination light (IL) emitted by the light emitting part, a scanner (28) that scans a predetermined scanning range with the irradiation light by operating the mirror in a forward movement motion and a backward movement motion, a light receiving part (30) that detects a reflected light returned by reflecting the irradiation light from a target existing in the scanning range, a distance calculating part (40) that calculates a distance to the target using a time from an emission of an irradiation light by the light emitting part to the detection of the reflected light from the target by the light receiving part during the forward movement motion of the mirror, a timing signal generating part (60) that generates the timing signal according to a signal from an outside of the optical distance measuring device, and a control unit (50, 51) that controls a light emission of the light emitting part and an operation of the scanner. The control unit (50) synchronizes the operation of the scanner with a predetermined timing signal by adjusting a time of one cycle of the scanner while maintaining the distance measuring period of the forward movement motion of the mirror. |
| format | Patent |
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The control unit (50) synchronizes the operation of the scanner with a predetermined timing signal by adjusting a time of one cycle of the scanner while maintaining the distance measuring period of the forward movement motion of the mirror.</description><language>eng ; fre ; ger</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING</subject><creationdate>2024</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=20240417&DB=EPODOC&CC=EP&NR=4249945A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240417&DB=EPODOC&CC=EP&NR=4249945A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RINNAI Masato</creatorcontrib><creatorcontrib>UENO Akifumi</creatorcontrib><creatorcontrib>MIZUNO Fumiaki</creatorcontrib><title>OPTICAL DISTANCE MEASURING DEVICE</title><description>An optical distance measuring device (10, 11) includes a light emitting part (21), a mirror (26) that reflects the illumination light (IL) emitted by the light emitting part, a scanner (28) that scans a predetermined scanning range with the irradiation light by operating the mirror in a forward movement motion and a backward movement motion, a light receiving part (30) that detects a reflected light returned by reflecting the irradiation light from a target existing in the scanning range, a distance calculating part (40) that calculates a distance to the target using a time from an emission of an irradiation light by the light emitting part to the detection of the reflected light from the target by the light receiving part during the forward movement motion of the mirror, a timing signal generating part (60) that generates the timing signal according to a signal from an outside of the optical distance measuring device, and a control unit (50, 51) that controls a light emission of the light emitting part and an operation of the scanner. The control unit (50) synchronizes the operation of the scanner with a predetermined timing signal by adjusting a time of one cycle of the scanner while maintaining the distance measuring period of the forward movement motion of the mirror.</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD0DwjxdHb0UXDxDA5x9HN2VfB1dQwODfL0c1dwcQ3zdHblYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgEmRiaWliamjibGRCgBANNfIdI</recordid><startdate>20240417</startdate><enddate>20240417</enddate><creator>RINNAI Masato</creator><creator>UENO Akifumi</creator><creator>MIZUNO Fumiaki</creator><scope>EVB</scope></search><sort><creationdate>20240417</creationdate><title>OPTICAL DISTANCE MEASURING DEVICE</title><author>RINNAI Masato ; UENO Akifumi ; MIZUNO Fumiaki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4249945A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2024</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>RINNAI Masato</creatorcontrib><creatorcontrib>UENO Akifumi</creatorcontrib><creatorcontrib>MIZUNO Fumiaki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RINNAI Masato</au><au>UENO Akifumi</au><au>MIZUNO Fumiaki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL DISTANCE MEASURING DEVICE</title><date>2024-04-17</date><risdate>2024</risdate><abstract>An optical distance measuring device (10, 11) includes a light emitting part (21), a mirror (26) that reflects the illumination light (IL) emitted by the light emitting part, a scanner (28) that scans a predetermined scanning range with the irradiation light by operating the mirror in a forward movement motion and a backward movement motion, a light receiving part (30) that detects a reflected light returned by reflecting the irradiation light from a target existing in the scanning range, a distance calculating part (40) that calculates a distance to the target using a time from an emission of an irradiation light by the light emitting part to the detection of the reflected light from the target by the light receiving part during the forward movement motion of the mirror, a timing signal generating part (60) that generates the timing signal according to a signal from an outside of the optical distance measuring device, and a control unit (50, 51) that controls a light emission of the light emitting part and an operation of the scanner. The control unit (50) synchronizes the operation of the scanner with a predetermined timing signal by adjusting a time of one cycle of the scanner while maintaining the distance measuring period of the forward movement motion of the mirror.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | OPTICAL DISTANCE MEASURING DEVICE |
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