Electronic drive systems and methods
An electronic drive system applies a drive signal to an electrostatically actuated device such that a resulting electric field has a constant force. In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston a...
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| creator | GALAMBOS PAUL C GOORAY ARTHUR M LINDENFELSER WILLIAM M ROLLER GEORGE J CROWLEY JOSEPH M GIVLER RICHARD C PETER FRANK J ZAVADIL KEVIN R |
| description | An electronic drive system applies a drive signal to an electrostatically actuated device such that a resulting electric field has a constant force. In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston and a faceplate including a nozzle hole. A dielectric fluid to be ejected is supplied between the piston and the faceplate. The drive signal is applied to one of the piston and the faceplate. The drive signal generates an electric field across the fluid between the piston and the faceplate. The electric field causes the piston to be electrostatically attracted towards the faceplate so that a jet or drop of fluid is ejected through the nozzle hole of the faceplate. According to exemplary embodiments, the drive signal is from a constant current source or is reduced over the course of its lifetime. Further, according to various exemplary embodiments, the drive signal is of a suitable high frequency to reduce the potential of electrochemical reactions or electrical breakdown, or both. The drive signal may also be a bi-polar drive signal to reduce the possibility of electrochemical reactions. |
| format | Patent |
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In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston and a faceplate including a nozzle hole. A dielectric fluid to be ejected is supplied between the piston and the faceplate. The drive signal is applied to one of the piston and the faceplate. The drive signal generates an electric field across the fluid between the piston and the faceplate. The electric field causes the piston to be electrostatically attracted towards the faceplate so that a jet or drop of fluid is ejected through the nozzle hole of the faceplate. According to exemplary embodiments, the drive signal is from a constant current source or is reduced over the course of its lifetime. Further, according to various exemplary embodiments, the drive signal is of a suitable high frequency to reduce the potential of electrochemical reactions or electrical breakdown, or both. The drive signal may also be a bi-polar drive signal to reduce the possibility of electrochemical reactions.</description><edition>7</edition><language>eng</language><subject>CORRECTION OF TYPOGRAPHICAL ERRORS ; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME ; LINING MACHINES ; PERFORMING OPERATIONS ; PRINTING ; SELECTIVE PRINTING MECHANISMS ; STAMPS ; TRANSPORTING ; TYPEWRITERS</subject><creationdate>2002</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=20020716&DB=EPODOC&CC=US&NR=6419335B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020716&DB=EPODOC&CC=US&NR=6419335B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GALAMBOS PAUL C</creatorcontrib><creatorcontrib>GOORAY ARTHUR M</creatorcontrib><creatorcontrib>LINDENFELSER WILLIAM M</creatorcontrib><creatorcontrib>ROLLER GEORGE J</creatorcontrib><creatorcontrib>CROWLEY JOSEPH M</creatorcontrib><creatorcontrib>GIVLER RICHARD C</creatorcontrib><creatorcontrib>PETER FRANK J</creatorcontrib><creatorcontrib>ZAVADIL KEVIN R</creatorcontrib><title>Electronic drive systems and methods</title><description>An electronic drive system applies a drive signal to an electrostatically actuated device such that a resulting electric field has a constant force. In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston and a faceplate including a nozzle hole. A dielectric fluid to be ejected is supplied between the piston and the faceplate. The drive signal is applied to one of the piston and the faceplate. The drive signal generates an electric field across the fluid between the piston and the faceplate. The electric field causes the piston to be electrostatically attracted towards the faceplate so that a jet or drop of fluid is ejected through the nozzle hole of the faceplate. According to exemplary embodiments, the drive signal is from a constant current source or is reduced over the course of its lifetime. Further, according to various exemplary embodiments, the drive signal is of a suitable high frequency to reduce the potential of electrochemical reactions or electrical breakdown, or both. The drive signal may also be a bi-polar drive signal to reduce the possibility of electrochemical reactions.</description><subject>CORRECTION OF TYPOGRAPHICAL ERRORS</subject><subject>i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME</subject><subject>LINING MACHINES</subject><subject>PERFORMING OPERATIONS</subject><subject>PRINTING</subject><subject>SELECTIVE PRINTING MECHANISMS</subject><subject>STAMPS</subject><subject>TRANSPORTING</subject><subject>TYPEWRITERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBxzUlNLinKz8tMVkgpyixLVSiuLC5JzS1WSMxLUchNLcnITynmYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxocFmJoaWxsamTobGRCgBANskJro</recordid><startdate>20020716</startdate><enddate>20020716</enddate><creator>GALAMBOS PAUL C</creator><creator>GOORAY ARTHUR M</creator><creator>LINDENFELSER WILLIAM M</creator><creator>ROLLER GEORGE J</creator><creator>CROWLEY JOSEPH M</creator><creator>GIVLER RICHARD C</creator><creator>PETER FRANK J</creator><creator>ZAVADIL KEVIN R</creator><scope>EVB</scope></search><sort><creationdate>20020716</creationdate><title>Electronic drive systems and methods</title><author>GALAMBOS PAUL C ; GOORAY ARTHUR M ; LINDENFELSER WILLIAM M ; ROLLER GEORGE J ; CROWLEY JOSEPH M ; GIVLER RICHARD C ; PETER FRANK J ; ZAVADIL KEVIN R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6419335B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>CORRECTION OF TYPOGRAPHICAL ERRORS</topic><topic>i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME</topic><topic>LINING MACHINES</topic><topic>PERFORMING OPERATIONS</topic><topic>PRINTING</topic><topic>SELECTIVE PRINTING MECHANISMS</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>GALAMBOS PAUL C</creatorcontrib><creatorcontrib>GOORAY ARTHUR M</creatorcontrib><creatorcontrib>LINDENFELSER WILLIAM M</creatorcontrib><creatorcontrib>ROLLER GEORGE J</creatorcontrib><creatorcontrib>CROWLEY JOSEPH M</creatorcontrib><creatorcontrib>GIVLER RICHARD C</creatorcontrib><creatorcontrib>PETER FRANK J</creatorcontrib><creatorcontrib>ZAVADIL KEVIN R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GALAMBOS PAUL C</au><au>GOORAY ARTHUR M</au><au>LINDENFELSER WILLIAM M</au><au>ROLLER GEORGE J</au><au>CROWLEY JOSEPH M</au><au>GIVLER RICHARD C</au><au>PETER FRANK J</au><au>ZAVADIL KEVIN R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electronic drive systems and methods</title><date>2002-07-16</date><risdate>2002</risdate><abstract>An electronic drive system applies a drive signal to an electrostatically actuated device such that a resulting electric field has a constant force. In various exemplary embodiments, the electronic drive system applies a drive signal to an electrostatically actuated fluid ejector that has a piston and a faceplate including a nozzle hole. A dielectric fluid to be ejected is supplied between the piston and the faceplate. The drive signal is applied to one of the piston and the faceplate. The drive signal generates an electric field across the fluid between the piston and the faceplate. The electric field causes the piston to be electrostatically attracted towards the faceplate so that a jet or drop of fluid is ejected through the nozzle hole of the faceplate. According to exemplary embodiments, the drive signal is from a constant current source or is reduced over the course of its lifetime. Further, according to various exemplary embodiments, the drive signal is of a suitable high frequency to reduce the potential of electrochemical reactions or electrical breakdown, or both. The drive signal may also be a bi-polar drive signal to reduce the possibility of electrochemical reactions.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS |
| title | Electronic drive systems and methods |
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