Patents by Inventor Gerald Domoto
Gerald Domoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7720401Abstract: A method for reducing gloss variation in prints, in an electrostatic printing system having a fuser for fusing sheets having marking particles thereon, the method including transporting a first sheet to the fuser; transporting a second sheet to the fuser; and abutting a trailing edge of the first sheet to a leading edge of the second sheet prior to the trailing edge of the first sheet entering the fuser.Type: GrantFiled: October 24, 2007Date of Patent: May 18, 2010Assignee: Xerox CorporationInventors: Gerald A Domoto, Nicholas Kladias, Barry P Mandel, Augusto Barton, Yongsoon Eun
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Publication number: 20100104308Abstract: An apparatus (100) and method (700) that can control fuser temperature is disclosed. The apparatus can include an image fuser member (110) rotatably supported in the apparatus, where the image fuser member can be configured to fuse an image on media (170). The apparatus can include a heater (120) coupled to the image fuser member, where the heater can be configured to heat the image fuser member. The apparatus can include a pressure assembly (130) rotatably supported in the apparatus and coupled to the image fuser member, where the pressure assembly can be configured to exert pressure against the image fuser member. The apparatus can include a temperature sensor (140) coupled to the pressure assembly, where the temperature sensor can be configured to sense a temperature of the pressure assembly.Type: ApplicationFiled: October 24, 2008Publication date: April 29, 2010Applicant: XEROX CORPORATIONInventors: Nicholas P. Kladias, Gerald A. Domoto, Augusto E. Barton, Anthony S. Condello
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Patent number: 7686433Abstract: An apparatus has an electrode plate having an array of electrodes, a flexible membrane separated from the electrode plate by a gap, the membrane having localized regions corresponding to electrodes in the array of electrodes, and each localized region having a stiffener. A print head has an ink reservoir, a nozzle plate to deliver ink from the reservoir to a print substrate, an ink inlet on an opposite side from the print substrate to provide ink from the reservoir to the nozzle plate, and a flexible membrane arranged so as to draw the ink through the ink inlet when actuated and to dispense the ink through the nozzle plate when released, the flexible membrane having a stiffener. A method of manufacturing a membrane device includes providing an electrode plate having an array of electrodes, forming an air gap adjacent the electrode plate, and forming a membrane of conductive material having localized regions with a stiffener, the localized regions corresponding to electrodes in the array.Type: GrantFiled: August 21, 2007Date of Patent: March 30, 2010Assignee: Xerox CorporationInventor: Gerald A. Domoto
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Patent number: 7676187Abstract: An improved fuser includes a fuser member, a pressure member that forms a nip with the fuser member through which copy sheets pass to have images fused thereon and an air knife to assist in peeling copy sheets from the fuser member. The air knife has a device connected to it that blocks entrained airflow between the fuser and air knife to reduce fuser cooling and power loss.Type: GrantFiled: September 27, 2007Date of Patent: March 9, 2010Assignee: Xerox CorporationInventors: Bryan J Roof, Elias Panides, Nicholas Kladias, Gerald A Domoto, William A Burton, Steven M Russel
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Patent number: 7645560Abstract: An image forming medium includes a substrate, and an imaging layer coated on or impregnated into the substrate, wherein the imaging layer includes an imaging composition including a photochromic or photochromic-thermochromic material and an infrared absorbent dissolved or dispersed in a solvent or polymeric binder; wherein the infrared absorber absorbs infrared light of a wavelength in a range from about 730 nm to about 1500 nm; and wherein the imaging composition is imageable by light of a first wavelength and erasable in a short time period by a combination of infrared radiation and light of a second wavelength and exhibits a reversible transition between a colorless and a colored state.Type: GrantFiled: September 8, 2008Date of Patent: January 12, 2010Assignee: Xerox CorporationInventors: Gabriel Iftime, Gerald A. Domoto, Tyler B. Norsten, Kentaro Morimitsu, Paul F. Smith, Peter M. Kazmaier, Gaetano J. Lavigne, Eric J. Shrader, Stephan V. Drappel
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Publication number: 20090304419Abstract: According to aspects of the embodiments, there is provided a method of optimizing an electro-photographic reproduction machine having a fusing subsystem and an air knife. The methods acquire at least one electro-photographic reproduction machine objective and media characteristic; and the acquired objective and characteristic are used to determine values for the pressurized air emitted from the air knife, the position of the air knife, and the rotation of the air knife relative to a fuse roll in the fusing subsystem. The methods further disclose acquiring the leading edge of the media being stripped and then using the beam strength of the media to assist in stripping the body of the sheet. The air knife can be controlled by a controller or a processor based on determined optimization parameter values that relate to objectives and media characteristics.Type: ApplicationFiled: June 9, 2008Publication date: December 10, 2009Applicant: XEROX CORPORATIONInventors: Bryan J. Roof, Elias Panides, Nicholas Kladias, Jorge A. Alvarez, David D. Lalley, Christine A. Keenan, Gregory D. Gerbasi, Gerald A. Domoto
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Patent number: 7571996Abstract: An apparatus in an ink jet printer reduces the risk of clogged nozzles in ink jet printing machines by providing a negative pressure area in the vicinity of a localized high shear stress region that is located about a print head perimeter.Type: GrantFiled: August 10, 2006Date of Patent: August 11, 2009Assignee: Xerox CorporationInventors: Gerald A. Domoto, Elias Panides, Mark Anthony Cellura, Elliot Allan Eklund, Scott J. Phillips
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Patent number: 7571992Abstract: A fluidic micro-electromechanical device includes a pressure compensating subsystem that enables the device to operate consistently in changing environmental pressure conditions. Such a fluidic micro-electromechanical device includes an actuator having an actuator cavity underneath an actuator membrane, the actuator membrane moving in response to a driving signal applied to an actuator electrode, and a pressure compensating chamber coupled to the actuator cavity.Type: GrantFiled: July 1, 2005Date of Patent: August 11, 2009Assignee: Xerox CorporationInventors: Nancy Y. Jia, Peter J. Nystrom, Gerald A. Domoto, Peter M. Gulvin
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Publication number: 20090154976Abstract: A method of enhancing cut sheet edge hold-down on an imaging transport surface, the method including: (a) moving a cut sheet towards the sheet the imaging transport surface; (b) inducing a desired curl on one of the lead edge and trail edge of the cut sheet before the cut sheet enters the imaging transport surface, inducing a desired curl comprises inducing into the cut sheet a curl tending into the surface of the imaging transport surface.Type: ApplicationFiled: December 13, 2007Publication date: June 18, 2009Applicant: XEROX CORPORATIONInventors: Ruddy Castillo, Barry P. Mandel, Gerald A. Domoto
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Publication number: 20090122119Abstract: A print head for a printer includes a jet stack for passage of ink to media to form an image on the media. The jet stack includes a substrate having a micro actuator. The substrate has an opening through the substrate that is proximate to the micro actuator and a diaphragm bonded to the substrate. The diaphragm has an opening through the diaphragm that is configured for fluid communication with the opening through the substrate.Type: ApplicationFiled: November 14, 2007Publication date: May 14, 2009Applicant: Xerox CorporationInventors: John Richard Andrews, Gerald A. Domoto, Nicholas P. Kladias
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Patent number: 7530675Abstract: The present application is directed to piezoelectric actuator devices. One embodiment of a piezoelectric actuator comprises a chamber diaphragm having a major surface. A piezoelectric transducer is positioned on the major surface of the chamber diaphragm. The piezoelectric transducer has a major surface having a first dimension which is smaller than a corresponding second dimension of the major surface of the chamber diaphragm, so that the piezoelectric transducer underlaps the chamber diaphragm. The underlap ratio of the first dimension to the second dimension ranges from about 0.70 to about 0.99.Type: GrantFiled: July 20, 2006Date of Patent: May 12, 2009Assignee: Xerox CorporationInventors: Gerald A. Domoto, Elias Panides, S. Warren Lohr, Terrance L. Stephens, Nicholas P. Kladias
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Publication number: 20090116888Abstract: A pre-heater system and adapted to be used on an electrostatic marking apparatus for improving gloss on media having marking thereon at a location in the apparatus prior to a conventional fuser roll assembly or station, the system including a primary heater adapted to blow pressurized hot air into a surface of an image receiving media in order to substantially dispense hot air throughout an entire paper or media surface; and a preheat media transport for transporting media from the location in the apparatus prior to the conventional fuser roll assembly or station through the primary heater, the preheat media transport includes means for maintaining the preheat media transport at a substantially uniform predefined temperature.Type: ApplicationFiled: November 6, 2007Publication date: May 7, 2009Applicant: XEROX CORPORATIONInventors: Nicholas Kladias, Gerald A. Domoto, Igor A. Podzorov, Paul M. Fromm, Anthony S. Condello, Augusto Barton, Charles D. Rizzolo, Elias Panides
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Publication number: 20090110426Abstract: A method for reducing gloss variation in prints, in an electrostatic printing system having a fuser for fusing sheets having marking particles thereon, the method including transporting a first sheet to the fuser; transporting a second sheet to the fuser; and abutting a trailing edge of the first sheet to a leading edge of the second sheet prior to the trailing edge of the first sheet entering the fuser.Type: ApplicationFiled: October 24, 2007Publication date: April 30, 2009Applicant: XEROX CORPORATIONInventors: Gerald A. Domoto, Nicholas Kladias, Barry P. Mandel, Augusto Barton, Yongsoon Eun
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Patent number: 7520588Abstract: An apparatus is used with an ink jet print head in an ink jet printer. The apparatus includes a print head protector that surrounds a print head. A substantially continuous slot is provided along a perimeter of the bracket and a filter is located in the substantially continuous slot. An inlet in fluid communication with the substantially continuous slot enables a positive pressure air supply to be coupled to the inlet. The air entering the inlet flows through the filter in the slot and the filtered air flows outwardly away from the print head.Type: GrantFiled: December 23, 2005Date of Patent: April 21, 2009Inventors: Gerald A. Domoto, Elias Panides, Mark A. Cellura, Elliott A. Eklund, Scott J. Phillips
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Publication number: 20090087234Abstract: An improved fuser includes a fuser member, a pressure member that forms a nip with the fuser member through which copy sheets pass to have images fused thereon and an air knife to assist in peeling copy sheets from the fuser member. The air knife has a device connected to it that blocks entrained airflow between the fuser and air knife to reduce fuser cooling and power loss.Type: ApplicationFiled: September 27, 2007Publication date: April 2, 2009Applicant: XEROX CORPORATIONInventors: Bryan J. Roof, Elias Panides, Nicholas Kladias, Gerald A. Domoto, William A. Burton, Steven M. Russel
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Publication number: 20090051738Abstract: An apparatus has an electrode plate having an array of electrodes, a flexible membrane separated from the electrode plate by a gap, the membrane having localized regions corresponding to electrodes in the array of electrodes, and each localized region having a stiffener. A print head has an ink reservoir, a nozzle plate to deliver ink from the reservoir to a print substrate, an ink inlet on an opposite side from the print substrate to provide ink from the reservoir to the nozzle plate, and a flexible membrane arranged so as to draw the ink through the ink inlet when actuated and to dispense the ink through the nozzle plate when released, the flexible membrane having a stiffener. A method of manufacturing a membrane device includes providing an electrode plate having an array of electrodes, forming an air gap adjacent the electrode plate, and forming a membrane of conductive material having localized regions with a stiffener, the localized regions corresponding to electrodes in the array.Type: ApplicationFiled: August 21, 2007Publication date: February 26, 2009Applicant: XEROX CORPORATIONInventor: Gerald A. Domoto
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Publication number: 20090027458Abstract: A print head pump assembly has a piezo element plate having an array of piezoelectric elements, a channel plate having an array of channel regions corresponding to the array of piezoelectric elements, and a valve plate having an array of reed valve pairs corresponding to the array of channel regions. A print head assembly has at least one ink reservoir, an upper routing plate to receive ink from the ink reservoir, a lower routing plate to direct ink out of the print head, and a pump assembly to draw ink from the upper routing plate and deliver ink to the lower routing plate using piezoelectric diaphragms. A method of delivering ink to a print substrate includes providing ink to a low-pressure reservoir of a print head, drawing ink out of the low-pressure reservoir through an upper routing plate using a pump assembly internal to the print head, and pumping ink out of the print head through a lower routing plate using the pump assembly, such that the drawing and pumping processes continuously alternate.Type: ApplicationFiled: July 27, 2007Publication date: January 29, 2009Applicant: XEROX CORPORATIONInventors: Roger G. Leighton, Gerald A. Domoto, Brian D. Bitz, Kirk S. Edwards
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Publication number: 20090003896Abstract: An enhanced sheet stripping method and apparatus for stripping toner image carrying copy sheets from a surface of a moving heated fusing member forming a fusing nip. The apparatus includes (a) a moving assembly for moving a cut sheet towards the fusing nip; (b) a sheet curling device positioned upstream of the fusing nip relative to movement of the cut sheet for inducing a desired pre-curl in the cut sheet before the cut sheet enters the fusing nip; and (c) a sheet stripping device positioned downstream of the fusing nip for stripping the cut sheet from contact with the surface of the moving heated fusing member as the cut sheet exits the fusing nip. The method includes inducing a desired curl in the cut sheet before the cut sheet enters the fusing nip and enhanced stripping the cut sheet from contact with the surface of the fuser roll as the cut sheet exits the fusing nip.Type: ApplicationFiled: June 27, 2007Publication date: January 1, 2009Applicant: XEROX CORPORATIONInventors: Gerald A. Domoto, Elias Panides, Ruddy Castillo, Bryan J. Roof, William A. Burton, Steven M. Russel, Donald M. Bott
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Patent number: 7457557Abstract: A high precision-heat fusing device is provided for heating unfused toner images in an electrostatographic reproducing machine. The high precision-heating and fusing apparatus includes (a) an endless rotatable shell defining an interior and having an exterior surface, a first end, a second end, and an axis for rotation; (b) at least six heating elements each having an end-to-end length and being selectively activatable, and arranged end-to-end in series and parallel to the axis of rotation; (c) at least six temperature sensors for sensing a temperature of the exterior surface at axially spaced apart points; and (d) a controller connected to the at least six heating elements and to the at least six temperature sensors for precisely sensing and controlling the temperature of the exterior surface at each of the axially spaced apart points.Type: GrantFiled: April 5, 2006Date of Patent: November 25, 2008Assignee: Xerox CorporationInventors: Bryan J. Roof, Gerald A. Domoto
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Patent number: 7418228Abstract: Embodiments use an apparatus comprising a media path that is adapted to transport media sheets within the printing apparatus. Fuser rolls are positioned along the media path, and the fuser rolls are adapted to fuse marking material on the media sheets as the media sheets pass the fuser rolls. A heating belt is positioned to pass a first location between the fuser rolls and to pass a second location separate from the fuser rolls. A heater is positioned in the second location, and the heater is adapted to heat the heating belt. In addition, an iso-thermalizing roller is in contact with the heating belt. In some embodiments, the elements can be positioned in any order. In other embodiments, the elements are positioned such that the heating belt passes the elements in the following order: the heater, the fuser rolls, and then the iso-thermalizing roller.Type: GrantFiled: July 21, 2005Date of Patent: August 26, 2008Assignee: Xerox CorporationInventors: Gerald A. Domoto, Nicholas P. Kladias, David H. Pan