VIBRATION CONTROL DEVICE FOR VEHICLE
PURPOSE:To reduce vibration sufficiently at transient time when a period is changed by optimizing the second vibration at every single period to reduce the first vibration being periodic vibration. CONSTITUTION:The first periodic vibration generated by an engine 8 is reduced by an interferential act...
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| creator | BUTSUEN TETSUROU UCHIDA HIROSHI NAKAO NORIHIKO |
| description | PURPOSE:To reduce vibration sufficiently at transient time when a period is changed by optimizing the second vibration at every single period to reduce the first vibration being periodic vibration. CONSTITUTION:The first periodic vibration generated by an engine 8 is reduced by an interferential action of the second vibration outputted from loudspeakers 11 installed in the interior 2. The second vibration is set with every single period of the first vibration, and this second vibration is corrected, that is, optimized according to signals from microphones 12 to detect vibration in the interior 2 and transfer characteristics between the microphones 12 and the loudspeakers 11. When interpolating calculation or analog processing is carried out at transient time when a periodic change like acceleration-deceleration time is caused, a previous time vibration waveform can be expanded and contracted as a whole so as to become a required length of this time vibration waveform. |
| format | Patent |
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CONSTITUTION:The first periodic vibration generated by an engine 8 is reduced by an interferential action of the second vibration outputted from loudspeakers 11 installed in the interior 2. The second vibration is set with every single period of the first vibration, and this second vibration is corrected, that is, optimized according to signals from microphones 12 to detect vibration in the interior 2 and transfer characteristics between the microphones 12 and the loudspeakers 11. When interpolating calculation or analog processing is carried out at transient time when a periodic change like acceleration-deceleration time is caused, a previous time vibration waveform can be expanded and contracted as a whole so as to become a required length of this time vibration waveform.</description><edition>5</edition><language>eng</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MEANS FOR DAMPING VIBRATION ; MECHANICAL ENGINEERING ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PERFORMING OPERATIONS ; PHYSICS ; SHOCK-ABSORBERS ; SOUND-PRODUCING DEVICES ; SPRINGS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR ; WEAPONS</subject><creationdate>1994</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=19941007&DB=EPODOC&CC=JP&NR=H06282284A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941007&DB=EPODOC&CC=JP&NR=H06282284A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BUTSUEN TETSUROU</creatorcontrib><creatorcontrib>UCHIDA HIROSHI</creatorcontrib><creatorcontrib>NAKAO NORIHIKO</creatorcontrib><title>VIBRATION CONTROL DEVICE FOR VEHICLE</title><description>PURPOSE:To reduce vibration sufficiently at transient time when a period is changed by optimizing the second vibration at every single period to reduce the first vibration being periodic vibration. CONSTITUTION:The first periodic vibration generated by an engine 8 is reduced by an interferential action of the second vibration outputted from loudspeakers 11 installed in the interior 2. The second vibration is set with every single period of the first vibration, and this second vibration is corrected, that is, optimized according to signals from microphones 12 to detect vibration in the interior 2 and transfer characteristics between the microphones 12 and the loudspeakers 11. When interpolating calculation or analog processing is carried out at transient time when a periodic change like acceleration-deceleration time is caused, a previous time vibration waveform can be expanded and contracted as a whole so as to become a required length of this time vibration waveform.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>COMBUSTION ENGINES IN GENERAL</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>INTERNAL-COMBUSTION PISTON ENGINES</subject><subject>LIGHTING</subject><subject>MEANS FOR DAMPING VIBRATION</subject><subject>MECHANICAL ENGINEERING</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SHOCK-ABSORBERS</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>SPRINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAJ83QKcgzx9PdTcPb3Cwny91FwcQ3zdHZVcPMPUghz9fB09nHlYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxXgEeBmZGFkZGFiaOxsSoAQCCiyMz</recordid><startdate>19941007</startdate><enddate>19941007</enddate><creator>BUTSUEN TETSUROU</creator><creator>UCHIDA HIROSHI</creator><creator>NAKAO NORIHIKO</creator><scope>EVB</scope></search><sort><creationdate>19941007</creationdate><title>VIBRATION CONTROL DEVICE FOR VEHICLE</title><author>BUTSUEN TETSUROU ; UCHIDA HIROSHI ; NAKAO NORIHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06282284A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION ENGINES IN GENERAL</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INTERNAL-COMBUSTION PISTON ENGINES</topic><topic>LIGHTING</topic><topic>MEANS FOR DAMPING VIBRATION</topic><topic>MECHANICAL ENGINEERING</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SHOCK-ABSORBERS</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>SPRINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>BUTSUEN TETSUROU</creatorcontrib><creatorcontrib>UCHIDA HIROSHI</creatorcontrib><creatorcontrib>NAKAO NORIHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BUTSUEN TETSUROU</au><au>UCHIDA HIROSHI</au><au>NAKAO NORIHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VIBRATION CONTROL DEVICE FOR VEHICLE</title><date>1994-10-07</date><risdate>1994</risdate><abstract>PURPOSE:To reduce vibration sufficiently at transient time when a period is changed by optimizing the second vibration at every single period to reduce the first vibration being periodic vibration. CONSTITUTION:The first periodic vibration generated by an engine 8 is reduced by an interferential action of the second vibration outputted from loudspeakers 11 installed in the interior 2. The second vibration is set with every single period of the first vibration, and this second vibration is corrected, that is, optimized according to signals from microphones 12 to detect vibration in the interior 2 and transfer characteristics between the microphones 12 and the loudspeakers 11. When interpolating calculation or analog processing is carried out at transient time when a periodic change like acceleration-deceleration time is caused, a previous time vibration waveform can be expanded and contracted as a whole so as to become a required length of this time vibration waveform.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SHOCK-ABSORBERS SOUND-PRODUCING DEVICES SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WEAPONS |
| title | VIBRATION CONTROL DEVICE FOR VEHICLE |
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