Distance measuring apparatus and method
The present invention relates to a distance measuring apparatus utilizing light waves, in particular the distance measuring apparatus is able to measure a distance effectively even in an environment containing such a noise light as to disturb the measurement by light waves. In the above-mentioned ap...
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| creator | KANOKOGI, MITSURU YABE, MASAAKI OHISHI, MASAHIRO |
| description | The present invention relates to a distance measuring apparatus utilizing light waves, in particular the distance measuring apparatus is able to measure a distance effectively even in an environment containing such a noise light as to disturb the measurement by light waves. In the above-mentioned apparatus, the projection system irradiates the target of measurement with light beams, the light reception means in the light reception system receives the reflected light beams, and the processing means calculates the distance from the measuring position to the target of measurement based on the reflected light beams. The threshold level of the light reception means for judging the incidence of reflected light beams is made variable. |
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In the above-mentioned apparatus, the projection system irradiates the target of measurement with light beams, the light reception means in the light reception system receives the reflected light beams, and the processing means calculates the distance from the measuring position to the target of measurement based on the reflected light beams. The threshold level of the light reception means for judging the incidence of reflected light beams is made variable.</description><language>eng ; fre ; ger</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 ANGLES ; MEASURING AREAS ; MEASURING DISTANCES, LEVELS OR BEARINGS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; NAVIGATION ; PHOTOGRAMMETRY OR VIDEOGRAMMETRY ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SURVEYING ; TESTING</subject><creationdate>2014</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=20140903&DB=EPODOC&CC=EP&NR=1061336B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140903&DB=EPODOC&CC=EP&NR=1061336B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANOKOGI, MITSURU</creatorcontrib><creatorcontrib>YABE, MASAAKI</creatorcontrib><creatorcontrib>OHISHI, MASAHIRO</creatorcontrib><title>Distance measuring apparatus and method</title><description>The present invention relates to a distance measuring apparatus utilizing light waves, in particular the distance measuring apparatus is able to measure a distance effectively even in an environment containing such a noise light as to disturb the measurement by light waves. In the above-mentioned apparatus, the projection system irradiates the target of measurement with light beams, the light reception means in the light reception system receives the reflected light beams, and the processing means calculates the distance from the measuring position to the target of measurement based on the reflected light beams. The threshold level of the light reception means for judging the incidence of reflected light beams is made variable.</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 ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</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>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3ySwuScxLTlXITU0sLi3KzEtXSCwoSCxKLCktVkjMSwGKl2Tkp_AwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXAEMDM0NjYzMnQ2MilAAAYL4nmw</recordid><startdate>20140903</startdate><enddate>20140903</enddate><creator>KANOKOGI, MITSURU</creator><creator>YABE, MASAAKI</creator><creator>OHISHI, MASAHIRO</creator><scope>EVB</scope></search><sort><creationdate>20140903</creationdate><title>Distance measuring apparatus and method</title><author>KANOKOGI, MITSURU ; YABE, MASAAKI ; OHISHI, MASAHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1061336B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2014</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>GYROSCOPIC INSTRUMENTS</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING DISTANCES, LEVELS OR BEARINGS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>NAVIGATION</topic><topic>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>SURVEYING</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>KANOKOGI, MITSURU</creatorcontrib><creatorcontrib>YABE, MASAAKI</creatorcontrib><creatorcontrib>OHISHI, MASAHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KANOKOGI, MITSURU</au><au>YABE, MASAAKI</au><au>OHISHI, MASAHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Distance measuring apparatus and method</title><date>2014-09-03</date><risdate>2014</risdate><abstract>The present invention relates to a distance measuring apparatus utilizing light waves, in particular the distance measuring apparatus is able to measure a distance effectively even in an environment containing such a noise light as to disturb the measurement by light waves. In the above-mentioned apparatus, the projection system irradiates the target of measurement with light beams, the light reception means in the light reception system receives the reflected light beams, and the processing means calculates the distance from the measuring position to the target of measurement based on the reflected light beams. The threshold level of the light reception means for judging the incidence of reflected light beams is made variable.</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 GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING |
| title | Distance measuring apparatus and method |
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