INSPECTION EQUIPMENT OF PRINTED WIRING BOARD
PURPOSE:To make it possible to bring a desired checker pin into contact with a part to be inspected corresponding to an article to be inspected, by bringing the checker pin into contact with the part to be inspected by repulsive force due to the magnetism of a parmanent magnet and an electromagnet....
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| creator | FUKAI MAKOTO |
| description | PURPOSE:To make it possible to bring a desired checker pin into contact with a part to be inspected corresponding to an article to be inspected, by bringing the checker pin into contact with the part to be inspected by repulsive force due to the magnetism of a parmanent magnet and an electromagnet. CONSTITUTION:When an electromagnet 28 is excited, a permanent magnet 27 moves upwardly against a spring by the magnetic repulsive force with the electromagnet 28. Therefore, a checker pin 26 is pushed up by the magnet 27 and protruded from an insert hole 22 to be brought into contact with the check point on a borad. Thus mentioned operation is performed even in desired residual checker pins 26 and the checker pin can be contacted with a desired check point. In this case, a detection signal is inputted to a tester through a lapping wire 45 from each checker pin 26 to perform the functional inspection of an elec tronic circuit. After inspection, the magnet 27 and the checker pin 26 are moved downwardly by the spring force of a spring 31 generated by deenergizing the electromagnet 28 and the own wt. of the checker pin 26 and returned to the original state. |
| format | Patent |
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CONSTITUTION:When an electromagnet 28 is excited, a permanent magnet 27 moves upwardly against a spring by the magnetic repulsive force with the electromagnet 28. Therefore, a checker pin 26 is pushed up by the magnet 27 and protruded from an insert hole 22 to be brought into contact with the check point on a borad. Thus mentioned operation is performed even in desired residual checker pins 26 and the checker pin can be contacted with a desired check point. In this case, a detection signal is inputted to a tester through a lapping wire 45 from each checker pin 26 to perform the functional inspection of an elec tronic circuit. After inspection, the magnet 27 and the checker pin 26 are moved downwardly by the spring force of a spring 31 generated by deenergizing the electromagnet 28 and the own wt. of the checker pin 26 and returned to the original state.</description><language>eng</language><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; PRINTED CIRCUITS ; TESTING</subject><creationdate>1985</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=19850525&DB=EPODOC&CC=JP&NR=S6093968A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850525&DB=EPODOC&CC=JP&NR=S6093968A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKAI MAKOTO</creatorcontrib><title>INSPECTION EQUIPMENT OF PRINTED WIRING BOARD</title><description>PURPOSE:To make it possible to bring a desired checker pin into contact with a part to be inspected corresponding to an article to be inspected, by bringing the checker pin into contact with the part to be inspected by repulsive force due to the magnetism of a parmanent magnet and an electromagnet. CONSTITUTION:When an electromagnet 28 is excited, a permanent magnet 27 moves upwardly against a spring by the magnetic repulsive force with the electromagnet 28. Therefore, a checker pin 26 is pushed up by the magnet 27 and protruded from an insert hole 22 to be brought into contact with the check point on a borad. Thus mentioned operation is performed even in desired residual checker pins 26 and the checker pin can be contacted with a desired check point. In this case, a detection signal is inputted to a tester through a lapping wire 45 from each checker pin 26 to perform the functional inspection of an elec tronic circuit. 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CONSTITUTION:When an electromagnet 28 is excited, a permanent magnet 27 moves upwardly against a spring by the magnetic repulsive force with the electromagnet 28. Therefore, a checker pin 26 is pushed up by the magnet 27 and protruded from an insert hole 22 to be brought into contact with the check point on a borad. Thus mentioned operation is performed even in desired residual checker pins 26 and the checker pin can be contacted with a desired check point. In this case, a detection signal is inputted to a tester through a lapping wire 45 from each checker pin 26 to perform the functional inspection of an elec tronic circuit. After inspection, the magnet 27 and the checker pin 26 are moved downwardly by the spring force of a spring 31 generated by deenergizing the electromagnet 28 and the own wt. of the checker pin 26 and returned to the original state.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PRINTED CIRCUITS TESTING |
| title | INSPECTION EQUIPMENT OF PRINTED WIRING BOARD |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-17T08%3A19%3A12IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=FUKAI%20MAKOTO&rft.date=1985-05-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPS6093968A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |