JPH0833293B
An image of the solder portion is taken. Values of goodness/poorness judgment factors are calculated from the image of the solder portion. Grades of the goodness/poorness judgment factors are calculated from the values of the goodness/poorness judgment factors and from predetermined membership funct...
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| creator | TOKURA NOBUSHI |
| description | An image of the solder portion is taken. Values of goodness/poorness judgment factors are calculated from the image of the solder portion. Grades of the goodness/poorness judgment factors are calculated from the values of the goodness/poorness judgment factors and from predetermined membership functions of the goodness/poorness judgment factors according to predetermined rules each having a condition part related to the goodness/poorness judgment factors and a conclusion part related to a goodness degree. Partial figures are calculated from predetermined membership functions of the goodness degree and from the calculated grades of the goodness/poorness judgment factors. The partial figures are combined into a final figure. A position of a centroid of the final figure is calculated. A decision is made as to whether or not the solder portion is good on the basis of the calculated position of the centroid with respect to a predetermined judgment scale. |
| format | Patent |
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Grades of the goodness/poorness judgment factors are calculated from the values of the goodness/poorness judgment factors and from predetermined membership functions of the goodness/poorness judgment factors according to predetermined rules each having a condition part related to the goodness/poorness judgment factors and a conclusion part related to a goodness degree. Partial figures are calculated from predetermined membership functions of the goodness degree and from the calculated grades of the goodness/poorness judgment factors. The partial figures are combined into a final figure. A position of a centroid of the final figure is calculated. A decision is made as to whether or not the solder portion is good on the basis of the calculated position of the centroid with respect to a predetermined judgment scale.</description><edition>6</edition><language>eng</language><subject>CALCULATING ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; COMPUTING ; COUNTING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; PHYSICS ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; PRINTED CIRCUITS ; TESTING</subject><creationdate>1996</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=19960329&DB=EPODOC&CC=JP&NR=H0833293B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960329&DB=EPODOC&CC=JP&NR=H0833293B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOKURA NOBUSHI</creatorcontrib><title>JPH0833293B</title><description>An image of the solder portion is taken. Values of goodness/poorness judgment factors are calculated from the image of the solder portion. Grades of the goodness/poorness judgment factors are calculated from the values of the goodness/poorness judgment factors and from predetermined membership functions of the goodness/poorness judgment factors according to predetermined rules each having a condition part related to the goodness/poorness judgment factors and a conclusion part related to a goodness degree. Partial figures are calculated from predetermined membership functions of the goodness degree and from the calculated grades of the goodness/poorness judgment factors. The partial figures are combined into a final figure. A position of a centroid of the final figure is calculated. 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Values of goodness/poorness judgment factors are calculated from the image of the solder portion. Grades of the goodness/poorness judgment factors are calculated from the values of the goodness/poorness judgment factors and from predetermined membership functions of the goodness/poorness judgment factors according to predetermined rules each having a condition part related to the goodness/poorness judgment factors and a conclusion part related to a goodness degree. Partial figures are calculated from predetermined membership functions of the goodness degree and from the calculated grades of the goodness/poorness judgment factors. The partial figures are combined into a final figure. A position of a centroid of the final figure is calculated. A decision is made as to whether or not the solder portion is good on the basis of the calculated position of the centroid with respect to a predetermined judgment scale.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CALCULATING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTED CIRCUITS TESTING |
| title | JPH0833293B |
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