公开(公告)号：US12086403B2

公开(公告)日：2024-09-10

申请号：US17190501

申请日：2021-03-03

Applicant: Xerox Corporation

Inventor： Douglas K. Herrmann ,  Seemit Praharaj ,  Jason M. LeFevre ,  Paul J. McConville ,  Chu-Heng Liu ,  Linn C. Hoover ,  David A. VanKouwenberg

IPC: G06F3/0488 ,  B08B1/10 ,  G06K15/02

CPC classification number: G06F3/0488 ,  B08B1/10 ,  B08B2240/00 ,  G06K15/1809

Abstract: Devices include first and second frame elements having mounting points connectable to opposite ends (e.g., first end, second end) of the touchscreen. First and second rollers are connected, respectively, to the first and second frame elements. A web of transparent material is supported by and between the first and second rollers. Further, an ultraviolet light device is connected to the second frame element and is positioned to expose the web of transparent material to ultraviolet radiation to disinfect the transparent material between users.

公开(公告)号：US20220283683A1

公开(公告)日：2022-09-08

申请号：US17190501

申请日：2021-03-03

Applicant: Xerox Corporation

Inventor： Douglas K. Herrmann ,  Seemit Praharaj ,  Jason M. LeFevre ,  Paul J. McConville ,  Chu-heng Liu ,  Linn C. Hoover ,  David A. VanKouwenberg

IPC: G06F3/0488 ,  B08B1/00

Abstract: Devices include first and second frame elements having mounting points connectable to opposite ends (e.g., first end, second end) of the touchscreen. First and second rollers are connected, respectively, to the first and second frame elements. A web of transparent material is supported by and between the first and second rollers. Further, an ultraviolet light device is connected to the second frame element and is positioned to expose the web of transparent material to ultraviolet radiation to disinfect the transparent material between users.

公开(公告)号：US20220257810A1

公开(公告)日：2022-08-18

申请号：US17177300

申请日：2021-02-17

Applicant: Xerox Corporation

Inventor： Seemit Praharaj ,  Douglas K. Herrmann ,  Chu-heng Liu ,  Paul J. McConville ,  Jason M. LeFevre ,  Linn C. Hoover ,  David A. VanKouwenberg

IPC: A61L2/10 ,  H04N1/00

Abstract: An apparatus includes, among other components, a frame adapted to be connected to the exterior surface of a device that has a touchscreen. A retractable cover is operatively connected to the frame. The size of the retractable cover is equal to at least the size of the touchscreen, and the retractable cover is positioned to extend so as to cover the touchscreen. At least one ultraviolet light is also operatively connected to the frame. The ultraviolet light is positioned to direct ultraviolet lighting toward the touchscreen when the retractable cover extends to cover the touchscreen.

公开(公告)号：US20220072873A1

公开(公告)日：2022-03-10

申请号：US17014479

申请日：2020-09-08

Applicant: Xerox Corporation

Inventor： Linn C. Hoover ,  John Baker ,  David S. Derleth

IPC: B41J11/00 ,  B41J2/045 ,  B41J11/58

Abstract: An aqueous ink printer is operated to insert media sheets from a first supply tray into a plurality of media sheets from a second tray on which ink images are being formed by the printer to absorb condensed vapors on media guides. The media sheets from the first tray are uncoated media and the media sheets from the second tray are coated media. In some embodiments, the inserted media sheets are printed with an ink image that has areas that contact the media guides with a greater ink density than other areas of the ink image that do not contact the media guides. Additionally or alternatively, the inserted media sheets are printed with an ink image that has areas that contact the media guides with an ink color that is different than an ink color used in other areas of the ink image that do not contact the media guides.

公开(公告)号：US11260449B2

公开(公告)日：2022-03-01

申请号：US16808285

申请日：2020-03-03

Applicant: XEROX CORPORATION

Inventor： Douglas K. Herrmann ,  Erwin Ruiz ,  Ali R. Dergham ,  Christopher D. Atwood ,  Daniel R. Knopp ,  Derek A. Bryl ,  Linn C. Hoover

IPC: B22D23/00 ,  B33Y10/00 ,  B33Y30/00

Abstract: A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.

公开(公告)号：US20210283853A1

公开(公告)日：2021-09-16

申请号：US16816853

申请日：2020-03-12

Applicant: Xerox Corporation

Inventor： Ali R. Dergham ,  Douglas K. Herrmann ,  Christopher D. Atwood ,  Erwin Ruiz ,  Derek A. Bryl ,  Linn C. Hoover

IPC: B29C64/393 ,  B29C64/112 ,  B29C64/295 ,  B29C64/232 ,  B29C64/245 ,  B29C64/241

Abstract: A method operates a three-dimensional (3D) metal object manufacturing system to maintain a temperature of an uppermost layer of a 3D metal object being formed within a temperature range conducive for bonding between the uppermost layer and a next layer to be formed. A controller of the system compares a temperature of the uppermost layer with at least a low end temperature of the temperature range and operates an electrical resistance switching network using 3D model data to provide electrical power selectively to heating elements in a modular heater to heat the 3D metal object being formed when the temperature indicated by the signal from the sensor is less than the predetermined temperature.

公开(公告)号：US20210276082A1

公开(公告)日：2021-09-09

申请号：US16808285

申请日：2020-03-03

Applicant: XEROX CORPORATION

Inventor： Douglas K. Herrmann ,  Erwin Ruiz ,  Ali R. Dergham ,  Christopher D. Atwood ,  Daniel R. Knopp ,  Derek A. Bryl ,  Linn C. Hoover

IPC: B22D23/00 ,  B33Y10/00 ,  B33Y30/00

Abstract: A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.

公开(公告)号：US10933641B2

公开(公告)日：2021-03-02

申请号：US16908959

申请日：2020-06-23

Applicant: Xerox Corporation

Inventor： David A. VanKouwenberg ,  Linn C. Hoover ,  Michael J. Levy ,  Jason M. LeFevre ,  Chu-heng Liu ,  Paul J. McConville ,  Douglas K. Herrmann ,  Seemit Praharaj

IPC: B41J2/165 ,  B41J2/175

Abstract: An inkjet printer is configured with capping stations for storing printheads in the printer during periods of printer inactivity so the viscosity of the ink in the nozzles of the inkjets of the printheads does not increase significantly. Each capping station has a printhead receptacle that encloses a volume, a planar member configured to move between a first position at which the planar member is located within the printhead receptacle and a second position at which the planar member is external of the printhead receptacle, a first actuator operatively connected to the planar member, the first actuator being configured to move the planar member from the first position to the second position, and a controller configured to operate the first actuator to move the planar member from the first position to the second position to mate the planar member with a face of a printhead.

公开(公告)号：US10857798B2

公开(公告)日：2020-12-08

申请号：US16272086

申请日：2019-02-11

Applicant: Xerox Corporation

Inventor： Paul J. McConville ,  Jason M. LeFevre ,  Michael J. Levy ,  Seemit Praharaj ,  Chu-heng Liu ,  David A. VanKouwenberg ,  Linn C. Hoover ,  Douglas K. Herrmann

IPC: B41J2/165 ,  B41J2/21

Abstract: A cap is positioned to contact a printhead when the printhead is not ejecting liquid ink. The cap and the printhead create a sealed space adjacent printhead nozzles when contacting each other. A heated evaporator is connected to the cap and is adapted to evaporate an ink-compatible liquid to form a water and/or solvent vapor and supply the water and/or solvent vapor to the sealed space to protect the liquid ink in the nozzles. An insulator thermally insulates the heated evaporator from the printhead. This prevents the ink in the nozzles from drying and prevents the nozzles from clogging.

公开(公告)号：US10814653B2

公开(公告)日：2020-10-27

申请号：US16164277

申请日：2018-10-18

Applicant: Xerox Corporation

Inventor： Richard Campbell ,  Linn C. Hoover

IPC: B41J11/057 ,  B41J11/00 ,  B65H5/22

Abstract: A roller for a transport belt of a vacuum transport assembly includes an elongate cylindrical body adapted for a rotatably fixed connection to a vacuum transport assembly. An outer surface of the roller defines a hollow inner channel, which extends along an axial region of the body. The outer surface is a running surface for a transport belt. An inlet at one end of the hollow inner channel receives air from an air source. Perforations are formed in the outer surface for allowing air pressure to be discharged from the hollow inner channel toward the transport belt. The air diffuses through the transport belt to detack a sheet from the transport belt.