NONINVASIVE REFRACTOMETER
The present invention pertains to the measurement of the refractive index of a medium, such as a fluid, through the wall of its container. The essential characteristic of the invention is that, by using at least two separate light paths that are of unequal length and that reflect from the wall/mediu...
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| creator | Harjunmaa, Hannu Harjunmaa, Sinikka |
| description | The present invention pertains to the measurement of the refractive index of a medium, such as a fluid, through the wall of its container. The essential characteristic of the invention is that, by using at least two separate light paths that are of unequal length and that reflect from the wall/medium interface, it is possible to perform the measurement of the refractive index of the medium so that the result is insensitive to the color and thickness of the wall. |
| format | Patent |
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The essential characteristic of the invention is that, by using at least two separate light paths that are of unequal length and that reflect from the wall/medium interface, it is possible to perform the measurement of the refractive index of the medium so that the result is insensitive to the color and thickness of the wall.</description><language>eng ; fre ; ger</language><subject>BEER ; BIOCHEMISTRY ; CHEMISTRY ; COLORIMETRY ; ENZYMOLOGY ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; METALLURGY ; MICROBIOLOGY ; MUTATION OR GENETIC ENGINEERING ; OTHER ALCOHOLIC BEVERAGES ; PHYSICS ; PREPARATION THEREOF ; RADIATION PYROMETRY ; SPIRITS ; TESTING ; VINEGAR ; WINE</subject><creationdate>2018</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=20180502&DB=EPODOC&CC=EP&NR=3313974A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180502&DB=EPODOC&CC=EP&NR=3313974A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Harjunmaa, Hannu</creatorcontrib><creatorcontrib>Harjunmaa, Sinikka</creatorcontrib><title>NONINVASIVE REFRACTOMETER</title><description>The present invention pertains to the measurement of the refractive index of a medium, such as a fluid, through the wall of its container. 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The essential characteristic of the invention is that, by using at least two separate light paths that are of unequal length and that reflect from the wall/medium interface, it is possible to perform the measurement of the refractive index of the medium so that the result is insensitive to the color and thickness of the wall.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BEER BIOCHEMISTRY CHEMISTRY COLORIMETRY ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING OTHER ALCOHOLIC BEVERAGES PHYSICS PREPARATION THEREOF RADIATION PYROMETRY SPIRITS TESTING VINEGAR WINE |
| title | NONINVASIVE REFRACTOMETER |
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