Transfer device and image forming apparatus including same
A transfer device includes a rotatable image bearing member to bear a toner image on a surface thereof, a nip forming member to contact the surface of the image bearing member, and a bias output device to output a bias current to alternately form a transfer-direction electric field to transfer toner...
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| creator | Tanaka, Shinya Sugimoto, Naomi |
| description | A transfer device includes a rotatable image bearing member to bear a toner image on a surface thereof, a nip forming member to contact the surface of the image bearing member, and a bias output device to output a bias current to alternately form a transfer-direction electric field to transfer toner charged with a normal polarity in a toner image formed on the image bearing member to move therefrom to a recording medium and a return-direction electric field to return the toner from the recording medium to the image bearing member. A transition time T1 from a first time at which a current for forming the transfer-direction electric field reaches its maximum (It) to a second time at which a current for forming the return-direction electric field reaches its maximum (Ir) is longer than a transition time T2 from the second time to the first time. |
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A transition time T1 from a first time at which a current for forming the transfer-direction electric field reaches its maximum (It) to a second time at which a current for forming the return-direction electric field reaches its maximum (Ir) is longer than a transition time T2 from the second time to the first time.</description><language>eng ; fre ; ger</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; MAGNETOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2020</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=20200930&DB=EPODOC&CC=EP&NR=2592490B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200930&DB=EPODOC&CC=EP&NR=2592490B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Tanaka, Shinya</creatorcontrib><creatorcontrib>Sugimoto, Naomi</creatorcontrib><title>Transfer device and image forming apparatus including same</title><description>A transfer device includes a rotatable image bearing member to bear a toner image on a surface thereof, a nip forming member to contact the surface of the image bearing member, and a bias output device to output a bias current to alternately form a transfer-direction electric field to transfer toner charged with a normal polarity in a toner image formed on the image bearing member to move therefrom to a recording medium and a return-direction electric field to return the toner from the recording medium to the image bearing member. A transition time T1 from a first time at which a current for forming the transfer-direction electric field reaches its maximum (It) to a second time at which a current for forming the return-direction electric field reaches its maximum (Ir) is longer than a transition time T2 from the second time to the first time.</description><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAKKUrMK05LLVJISS3LTE5VSMxLUcjMTUxPVUjLL8rNzEtXSCwoSCxKLCktVsjMS84pTQGJFSfmpvIwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXACNTSyMTSwMnQ2MilAAAHqouug</recordid><startdate>20200930</startdate><enddate>20200930</enddate><creator>Tanaka, Shinya</creator><creator>Sugimoto, Naomi</creator><scope>EVB</scope></search><sort><creationdate>20200930</creationdate><title>Transfer device and image forming apparatus including same</title><author>Tanaka, Shinya ; Sugimoto, Naomi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2592490B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>Tanaka, Shinya</creatorcontrib><creatorcontrib>Sugimoto, Naomi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Tanaka, Shinya</au><au>Sugimoto, Naomi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Transfer device and image forming apparatus including same</title><date>2020-09-30</date><risdate>2020</risdate><abstract>A transfer device includes a rotatable image bearing member to bear a toner image on a surface thereof, a nip forming member to contact the surface of the image bearing member, and a bias output device to output a bias current to alternately form a transfer-direction electric field to transfer toner charged with a normal polarity in a toner image formed on the image bearing member to move therefrom to a recording medium and a return-direction electric field to return the toner from the recording medium to the image bearing member. A transition time T1 from a first time at which a current for forming the transfer-direction electric field reaches its maximum (It) to a second time at which a current for forming the return-direction electric field reaches its maximum (Ir) is longer than a transition time T2 from the second time to the first time.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS |
| title | Transfer device and image forming apparatus including same |
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