Patents Assigned to Roland DG Corporation
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Patent number: 9633470Abstract: To make it possible to generate slice data without the need to modify a polygon mesh that does not satisfy conditions of a perfect solid model. A slice data generator for generating slice data representing a cross section cut from a three-dimensional modeled object, wherein the slice data generator has: changing means for changing topology information of a polygon mesh so that a contour polyline is obtained indicating a contour line of a cut cross section of the polygon mesh; and modifying means for acquiring the contour polyline from the polygon mesh, the topology information of the polygon mesh having been changed by the changing means, and modifying the contour polyline so that an inside which is a region inside the acquired contour polyline can be normally filled; slice data being generated on the basis of the contour polyline modified by the modifying means.Type: GrantFiled: December 19, 2014Date of Patent: April 25, 2017Assignee: Roland DG CorporationInventors: Takayuki Sakurai, Yasutoshi Nakamura
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Patent number: 9561660Abstract: An ink supply system, inkjet printer, and ink loading method are provided. The ink supply system includes an ink head comprising a nozzle; first and second ink containers; a first ink supply passage; a second ink supply passage; an ink amount detecting device configured to detect an amount of ink in the first ink container; and a notifying device to provide a notification when the detected amount of ink is less than or equal to a threshold amount.Type: GrantFiled: July 1, 2016Date of Patent: February 7, 2017Assignee: ROLAND DG CORPORATIONInventors: Fumiyoshi Iwase, Kazuya Morizono
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Patent number: 9545784Abstract: A projection image correction system includes a section that detects intersection coordinates in a corrected sheet image, a section that calculates a first projective transformation matrix for transformation of the detected intersection coordinates into intersection coordinates stored in advance, a section that generates two spatial code images from the corrected positive and negative images of Gray code patterns, a section that acquires intersections of brightness profiles in the positive and negative images, a section that acquires coordinates of an intersection of boundary lines in the two spatial code images, a section that calculates a second projective transformation matrix by which transformation is performed so that the acquired intersection coordinates, transformed by the first projective transformation matrix, are distributed over the entire region, and a section that transforms, using the second projective transformation matrix, image data to be outputted to a projector.Type: GrantFiled: June 24, 2014Date of Patent: January 17, 2017Assignee: ROLAND DG CORPORATIONInventor: Yasutoshi Nakamura
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Patent number: 9529371Abstract: An image projection system projects a single image on an image projection region from a plurality of image projection sections and includes section that detects checker intersection coordinates in a corrected checkered sheet image, a section that calculates a first projective transformation matrix from the checker intersection coordinates, a section that generates first and second spatial code images, a section that acquires boundary lines in the first and second spatial code images, and acquires first intersection coordinates of the boundary lines, a section that calculates a second projective transformation matrix for projective transformation of the first intersection coordinates, transformed using the first projective transformation matrix, into second intersection coordinates distributed over an entire sub-region of the image projection region, and a section that transforms image data by using the second projective transformation matrix.Type: GrantFiled: July 8, 2014Date of Patent: December 27, 2016Assignee: ROLAND DG CORPORATIONInventor: Yasutoshi Nakamura
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Patent number: 9505094Abstract: A work holding device includes a substantially C-shaped first frame that includes a first end and a second end and is rotatable about a first center axis that is located therebetween, and a substantially C-shaped second frame that includes a third end located between the first end and the first center axis and a fourth end located between the second end and the first center axis, the second frame being rotatable about a second center axis that passes the third end and the second end and is perpendicular or substantially perpendicular to the first center axis. A groove into which an edge of a work is insertable is provided in the second frame.Type: GrantFiled: December 12, 2014Date of Patent: November 29, 2016Assignee: ROLAND DG CORPORATIONInventor: Akihiro Suyama
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Publication number: 20160311227Abstract: An ink supply system, inkjet printer, and ink loading method are provided. The ink supply system includes an ink head comprising a nozzle; first and second ink containers; a first ink supply passage; a second ink supply passage; an ink amount detecting device configured to detect an amount of ink in the first ink container; and a notifying device to provide a notification when the detected amount of ink is less than or equal to a threshold amount.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Applicant: ROLAND DG CORPORATIONInventors: Fumiyoshi IWASE, Kazuya MORIZONO
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Patent number: 9469121Abstract: The present invention provides an inkjet printer capable of allowing fluids, such as ink, cleaning liquid, and air, to suitably flow into an ink path. The inkjet printer includes an ink path (16, 18, 28), valves (22, 26), a suction device, and a controller. The controller includes: a first control section to perform a first operation in which the suction device is driven for a first time period, with the valve (22) closed and the valve (26) opened; and a second control section to perform, after the first operation, a second operation in which the suction device is driven for a second time period, with the valve (22) opened and the valve (26) closed.Type: GrantFiled: September 11, 2014Date of Patent: October 18, 2016Assignee: ROLAND DG CORPORATIONInventor: Teppei Sawada
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Patent number: 9434181Abstract: A printing device includes a table that allows a plurality of printing subjects to be placed thereon, a projection device that projects a binary pattern to the printing subjects placed on the table, an image capturing device that captures an image of the printing subjects having the binary pattern projected thereon, a three-dimensional information acquirer that acquires a spatial code image from the image captured by the image capturing device and acquires three-dimensional information on the printing subjects from the acquired spatial code image, a recognizer that recognizes a position and a posture of each of the printing subjects from the acquired three-dimensional information, a disposer that disposes a printing image on each of the printing subjects in accordance with the position and posture thereof, and a printing data generator that generates printing data on the printing image disposed on each of the printing subjects.Type: GrantFiled: June 19, 2015Date of Patent: September 6, 2016Assignee: ROLAND DG CORPORATIONInventors: Yasutoshi Nakamura, Jun Ueda
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Patent number: 9430873Abstract: A slice data generation device generates slice data representing a cross-section obtained as a result of cutting a three-dimensional model and includes a reading section that reads information on a polygon mesh, a change section that changes phase information on the read polygon mesh such that a contour polyline that represents a contour obtained as a result of slicing the polygon mesh read by the reading section into round slices is capable of being acquired, a correction section that acquires the contour polyline from the polygon mesh, the phase information on which has been changed by the change section, and corrects the acquired contour polyline such that an area inside the acquired contour polyline is capable of being painted out; and a paint-out data generation section that paints out the area inside the contour polyline corrected by the correction section.Type: GrantFiled: July 24, 2014Date of Patent: August 30, 2016Assignee: ROLAND DG CORPORATIONInventor: Yasutoshi Nakamura
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Patent number: 9421653Abstract: A cutting processing device for performing a cutting process on a cutting target by use of a rotatable tool includes a cutting unit that includes the rotatable tool, a holding tool that holds a plurality of the cutting targets at the same time, and a rotation support unit that rotatably supports the holding tool. The cutting unit is movable with respect to the holding tool.Type: GrantFiled: August 29, 2014Date of Patent: August 23, 2016Assignee: ROLAND DG CORPORATIONInventors: Akihiro Suyama, Kazuhide Hamamatsu
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Patent number: 9409409Abstract: An ink supply system, inkjet printer, and ink loading method are provided. The ink supply system includes an ink head comprising a nozzle; first and second ink containers; a first ink supply passage; a second ink supply passage; an ink amount detecting device configured to detect an amount of ink in the first ink container; and a notifying device to provide a notification when the detected amount of ink is less than or equal to a threshold amount.Type: GrantFiled: September 25, 2015Date of Patent: August 9, 2016Assignee: ROLAND DG CORPORATIONInventors: Fumiyoshi Iwase, Kazuya Morizono
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Patent number: 9409346Abstract: A three-dimensional printing apparatus includes a base including an opening, a tank placed on the base and storing a liquid photo-curable resin, an optical device including a light source that emits light and arranged to irradiate the resin inside the tank with light emitted from the light source through the opening, a shutter that covers the opening in an openable and closable manner, a slide guide that guides sliding of the tank so that the tank is slidable between a preparation position located outside of a region over the opening and an installation position located over the opening, and an interlocking device that opens and closes the shutter in conjunction with sliding of the tank so that the shutter is opened when the tank is located over the entire opening, and the shutter is closed when the tank is not located over at least a portion of the opening.Type: GrantFiled: August 8, 2014Date of Patent: August 9, 2016Assignee: ROLAND DG CORPORATIONInventor: Takayuki Sakurai
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Patent number: 9393829Abstract: A stamping device is configured to perform stamping on various processing targets that are significantly different in thickness. The stamping device that forms a stamping indentation on a surface of a processing target includes a processing tool configured to be movable in three axis directions perpendicular to one another, a first base member that supports the processing tool, and a second base member including a securing member configured to secure the processing target, detachably attached thereto and is detachably attached to first base member. The processing tool is located above the second base member.Type: GrantFiled: January 27, 2015Date of Patent: July 19, 2016Assignee: ROLAND DG CORPORATIONInventor: Tsutomu Kuno
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Patent number: 9381758Abstract: A carrier device includes a medium accommodating section configured to accommodate a roll medium, a carrying section configured to carry a medium in a secondary scanning direction, a re-rolling section configured to re-roll the medium having been carried, a dancer roller configured to apply a predetermined tension on the medium being carried from the carrying section toward the re-rolling section, a first bar-shaped member disposed between the medium accommodating section and the carrying section configured to press the medium so as to alter the carrying path of the medium; and a second bar-shaped member disposed between the carrying section and the re-rolling section configured to press the medium so as to alter the carrying path of the medium.Type: GrantFiled: June 2, 2015Date of Patent: July 5, 2016Assignee: ROLAND DG CORPORATIONInventor: Ippei Tanaka
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Publication number: 20160133050Abstract: To make it possible to generate slice data without the need to modify a polygon mesh that does not satisfy conditions of a perfect solid model. A slice data generator for generating slice data representing a cross section cut from a three-dimensional modeled object, wherein the slice data generator has: changing means for changing topology information of a polygon mesh so that a contour polyline is obtained indicating a contour line of a cut cross section of the polygon mesh; and modifying means for acquiring the contour polyline from the polygon mesh, the topology information of the polygon mesh having been changed by the changing means, and modifying the contour polyline so that an inside which is a region inside the acquired contour polyline can be normally filled; slice data being generated on the basis of the contour polyline modified by the modifying means.Type: ApplicationFiled: December 19, 2014Publication date: May 12, 2016Applicant: ROLAND DG CORPORATIONInventors: Takayuki Sakurai, Yasutoshi Nakamura
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Publication number: 20160089895Abstract: An ink supply system, inkjet printer, and ink loading method are provided. The ink supply system includes an ink head comprising a nozzle; first and second ink containers; a first ink supply passage; a second ink supply passage; an ink amount detecting device configured to detect an amount of ink in the first ink container; and a notifying device to provide a notification when the detected amount of ink is less than or equal to a threshold amount.Type: ApplicationFiled: September 25, 2015Publication date: March 31, 2016Applicant: ROLAND DG CORPORATIONInventors: Fumiyoshi IWASE, Kazuya MORIZONO
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Patent number: 9280308Abstract: A three-dimensional object preview device includes a cross-sectional image data generation section configured to generate cross-sectional image data representing a cross-sectional shape of each layer of a three-dimensional object, a two-dimensional coordinate data acquisition section configured to acquire first two-dimensional coordinate data from the cross-sectional image data, a two-dimensional coordinate data conversion section configured to convert, using triangulation, the first two-dimensional coordinate data into second two-dimensional coordinate data, a three-dimensional coordinate data generation section configured to add Z-axis coordinate information to the second two-dimensional coordinate data to generate three-dimensional coordinate data, a layer image data generation section configured to add layer thickness information to the three-dimensional coordinate data, thus generating layer image data, a printing image data generation section configured to generate, using the layer image data, printingType: GrantFiled: January 16, 2015Date of Patent: March 8, 2016Assignee: ROLAND DG CORPORATIONInventor: Kouichi Kobayashi
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Patent number: 9278556Abstract: A printer with a cutting function includes a cutting mechanism configured to cut a medium, a sensor configured to detect a cut portion of the medium, a printing mechanism configured to perform printing on the medium, and a control device configured and programmed to control the cutting mechanism and the printing mechanism.Type: GrantFiled: July 21, 2014Date of Patent: March 8, 2016Assignee: ROLAND DG CORPORATIONInventor: Fumiyoshi Yoshizawa
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Patent number: 9266288Abstract: A three-dimensional printing apparatus includes a shaping head to discharge a resin material, a table to retain the discharged resin material, a carriage mechanism fitted to the shaping head and moving the shaping head relative to the table, a rotatable member disposed outward of the table, a first horizontal rotary shaft rotatably supporting the table, a first motor to rotate the first horizontal rotary shaft, a second horizontal rotary shaft fitted to the rotatable member and extending in a direction perpendicular or substantially perpendicular to the first horizontal rotary shaft, a second motor to rotate the second horizontal rotary shaft so as to rotate the table, the first horizontal rotary shaft, and the first motor, along with the rotatable member, around the second horizontal rotary shaft, and a microcomputer configured or programmed to control the shaping head, the first motor, and the second motor.Type: GrantFiled: October 10, 2014Date of Patent: February 23, 2016Assignee: ROLAND DG CORPORATIONInventor: Yoshimasa Okamura
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Patent number: 9242494Abstract: A printing device includes a location area acquirer that acquires a location area for a printing subject from a background image and a foreground image; a rough edge image acquirer that acquires a first edge image showing a rough contour of the printing subject; a precise edge image acquirer that acquires a second edge image showing a precise contour of the printing subject; a location position acquirer that acquires a position and a posture of the printing subject from the second edge image; a calculator that calculates, based on the position and the posture of the printing subject, a transform matrix usable to perform normalization such that the printing subject assumes a predetermined posture; and a printing data generator that creates printing data actually usable for printing, by use of an inverse matrix of the transform matrix, from printing data edited by an operator.Type: GrantFiled: February 6, 2015Date of Patent: January 26, 2016Assignee: ROLAND DG CORPORATIONInventor: Yasutoshi Nakamura