Patents Examined by Ly Tran
-
Patent number: 7316474Abstract: The present invention provides a surface treatment apparatus containing a sheet heating unit for heating a sheet, a sheet cooling unit for cooling the sheet. The apparatus satisfying at least one of following conditions: (1) the apparatus transfers a surface quality of the contact member to a surface of the image recording layer and an interface of the thermoplastic resin layer facing the image recording layer of the sheet; (2) the apparatus further contains the contact member selecting unit which selects the contact member having a desired surface quality; (3) the apparatus further comprises a treatment control unit which controls treatment conditions of at least one of the sheet heating unit and the sheet cooling unit; and (4) the sheet heating unit includes a sheet preheating part preheating the sheet and the apparatus transfers a surface quality of the contact member to the sheet heated by the sheet preheating part.Type: GrantFiled: November 14, 2003Date of Patent: January 8, 2008Assignee: Fuji Photo Film Co., Ltd.Inventors: Setsuji Tatsumi, Hiroshi Ishizuka, Yasuhiko Kachi, Eiichi Kito
-
Patent number: 7226144Abstract: A printhead assembly for an inkjet printer includes an elongate carrier. A number of printhead modules are mounted on the carrier. Each printhead module includes an ink delivery assembly and a printhead chip mounted on the ink delivery assembly. Flexible printed circuit board assemblies are attached to the carrier and to respective printhead modules for carrying data and power to said modules. A pair of busbars is electrically connected to the flexible printed circuit board assemblies for carrying power to the flexible printed circuit board assemblies.Type: GrantFiled: August 15, 2005Date of Patent: June 5, 2007Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Tobin Allen King
-
Patent number: 7188925Abstract: A fluid ejection head of a fluid ejection device is provided, the fluid ejection head having a substrate, a fluid ejection die coupled with the substrate, an electromagnetic radiation-curable adhesive disposed on the substrate, and a cover coupled with the substrate via the electromagnetic radiation-curable adhesive, wherein the cover includes an opening configured to pass fluids ejected from the fluid ejection die, and wherein the cover is made at least partially of a material transparent to electromagnetic radiation.Type: GrantFiled: January 30, 2004Date of Patent: March 13, 2007Assignee: Hewlett-Packard Development Company, L.P.Inventors: Benjamin H. Wood, III, Joseph E. Scheffelin, Noah Lassar, Mohammad Akhavain
-
Patent number: 7182456Abstract: A hand-held and/or hand-operated random movement printing device is controlled by at least one processor. The printing device provides a control to determine the position of an ink-jet print head assembly on a print medium. Specifically the assembly prints a pattern that it uses to determine its position.Type: GrantFiled: June 12, 2002Date of Patent: February 27, 2007Inventor: Alex M. Walling
-
Patent number: 7114805Abstract: A recording apparatus for effecting recording on a recording material using a recording head, includes a part for effecting a recording operation, and a supporting member supporting the part. The supporting member has two bent portions for supporting opposite end portions of the part and a cut and bent portion between the two bent portions.Type: GrantFiled: December 27, 2001Date of Patent: October 3, 2006Assignee: Canon Kabushiki KaishaInventor: Takeji Niikura
-
Patent number: 7044570Abstract: The present invention provides an ink jet printing apparatus of a low-cost and simple construction which can detect with high reliability a gap between a print medium and a print head mounted on a carriage. The ink jet printing apparatus, which reciprocally moves in a predetermined scan direction the carriage holding the print head for ejecting ink onto the print medium, includes a gap changing mechanism for changing the gap between the print head held in the carriage and the print medium and a control unit for controlling a driving of the gap changing mechanism and a reciprocal movement of the carriage, wherein the control unit drives the gap changing mechanism and reciprocally moves the carriage to check the operation state of the gap changing mechanism.Type: GrantFiled: August 28, 2003Date of Patent: May 16, 2006Assignee: Canon Kabushiki KaishaInventors: Seiji Takahashi, Yasuhiko Ikeda, Hiroyuki Niimura, Kota Uchida
-
Patent number: 7036921Abstract: The present invention relates to a sheet conveying apparatus and method using a conveyance belt formed with a plurality of electrodes for attracting a sheet with electrostatic force. The electrodes are applied with a voltage changed along with the lapse of time for generating an attraction force, and the integral value of voltage applied to one electrode has a polarity different from that of the integral value of voltage applied to another adjacent electrode.Type: GrantFiled: September 12, 2002Date of Patent: May 2, 2006Assignee: Canon Kabushiki KaishaInventor: Osamu Kanome
-
Patent number: 7004578Abstract: In a printing apparatus, such as a full-multi-type printing apparatus, if a heating device is used to heat a printing medium near a print head performing a printing operation by ejecting ink, the heating device is provided under a back surface of the printing medium located opposite to a face of the print head except for neighborhoods of ejection ports that eject printing material.Type: GrantFiled: June 19, 2002Date of Patent: February 28, 2006Assignee: Canon Kabushiki KaishaInventors: Hitoshi Tsuboi, Noribumi Koitabashi
-
Patent number: 6948794Abstract: A printhead re-capping assembly for a printer having a chassis, a platen assembly and a pagewidth printhead operatively mounted on the chassis to carry out a printing operation on print media passing over the platen assembly includes a base structure that is mounted on the chassis. At least one static solenoid is mounted on the base structure and is connected to an electrical power supply of the printer. A support member is actuable by the solenoid to be movable with respect to the chassis between an operative position and an inoperative position. A printhead capping member is mounted on the support member such that when the support member is in the operative position, the capping member engages the printhead to cap the printhead and when the support member is in the inoperative position, the capping member is disengaged from the printhead.Type: GrantFiled: December 8, 2003Date of Patent: September 27, 2005Assignee: Silverbrook Reserach PTY LTDInventor: Kia Silverbrook
-
Patent number: 6938994Abstract: A method of operation of an inkjet printhead within a predetermined temperature range to print an image, wherein the printhead temperature is measured and if the temperature is below a predetermined threshold, the printhead is heated by pulses of energy to a desired temperature above the predetermined threshold temperature before printing. The actuators are displaceable thermal actuators and heating is controlled such that the pulses of energy are insufficient to cause ejection of fluid from the printhead.Type: GrantFiled: September 27, 2004Date of Patent: September 6, 2005Assignee: Silverbrook Research PTY LTDInventor: Kia Silverbrook
-
Patent number: 6890065Abstract: An ink jet printhead assembly includes a heater chip having a backside with at least one cavity. A substrate is associated with the backside of the heater chip. Adhesive is at least partially disposed within the at least one cavity. The adhesive adheres the backside of the heater chip to the substrate.Type: GrantFiled: July 25, 2000Date of Patent: May 10, 2005Assignee: Lexmark International, Inc.Inventors: Paul Timothy Spivey, Carl Edmond Sullivan, Kent Lee Ubellacker
-
Patent number: 6874875Abstract: An ink tank cartridge includes a housing having a chamber defined by a set of side walls, a lid, and a first surface. An outlet port is formed in the first surface for communicating ink from the chamber. An ink receiving member for holding the ink is received in the chamber and is held in compression between the side walls. A substantial portion of the surface of the ink receiving member is compressed, preferably more than ?of the total surface. The ink receiving member is held uncompressed between the lid and the first surface. A method of assembling an ink cartridge includes providing a housing and a porous ink storage element. The ink storage element is compressed by a set of side walls defining a chamber formed in the housing. The ink storage element is compressed within a range of about 0.5%-50%.Type: GrantFiled: June 13, 2002Date of Patent: April 5, 2005Assignee: Nu-kote International, Inc.Inventors: Stephen A. Anderson, Bruce S. Jones
-
Patent number: 6869174Abstract: A printer and a method for printing a receiving material with such a printer, wherein the printer is provided with a printhead with a number of print elements from which individual ink drops can be transferred to a receiving material in accordance with a pattern, wherein the printer uses hot melt ink and also contains a selection means for the selection for a specific degree of gloss based on the selection of the pattern to be generated, which pattern is such that the ink acquires the said degree of gloss on the receiving material.Type: GrantFiled: April 29, 2002Date of Patent: March 22, 2005Assignee: Océ-Technologies B.V.Inventor: Henry Faken
-
Patent number: 6851801Abstract: A recording material conveying device is provided with a pair of rotational members for conveying a recording material, and for one of the rotational members, an escape portion is formed for an opening portion of a bearing hole thereof and that satisfies a condition of ???, where an angle formed by the axial core of the axial member supporting the rotational member and the center of the bearing hole for bearing the axial member is ?, and an angle formed by the center of the bearing hole and the escape portion of the bearing hole is ?. With the structure thus arranged, it becomes possible to prevent a recording material from being damaged or stained, or be otherwise adversely affected, by use of an expeller rotational member, while performing a stabilized conveyance of a recording material without increasing costs.Type: GrantFiled: August 15, 2002Date of Patent: February 8, 2005Assignee: Canon Kabushiki KaishaInventor: Takeji Niikura
-
Patent number: 6848769Abstract: A present invention provides a liquid ejection head comprising a plurality of ejection openings arranged in the feeding direction of a printing medium and a plurality of ejection energy generating elements for generating energy used for ejecting liquid from the ejection openings disposed in correspondence to the ejection openings, and subjected to the scanning movement along the printing medium transverse to the feeding direction of the printing medium, wherein the ejection openings are divided into a plurality of groups arranged parallel to the scanning movement direction while alternately offset in this direction, so that the ink droplets ejected from ejection openings located at the opposite ends of the arrangement are prevented from deflecting to the center of the arrangement and from generating white streaks when the solid printing is carried out.Type: GrantFiled: June 18, 2002Date of Patent: February 1, 2005Assignee: Canon Kabushiki KaishaInventor: Shuichi Murakami
-
Patent number: 6802603Abstract: The invention concerns a device for unlocking a compartment of an opening mechanism, comprising a frame, the compartment being designed to receive a paper roll, and being closed with a cover (10). The invention is characterised in that a lever (22) is mounted rotating on the cover (10) and comprises a manoeuvring part (24), the lever (22) comprising stop elements (30) capable of co-operating with the sides of the frame to cause the cover (10) to rotate relative to the frame when the lever (22) is rotated relative to the cover (10). The invention is applicable to opening mechanisms for thermal printing machines.Type: GrantFiled: August 29, 2002Date of Patent: October 12, 2004Assignee: Societe A.P.S. Engineering S.A.R.LInventor: Denis Montagutelli
-
Patent number: 6722755Abstract: The objective of the present invention is to provide an ink-jet recording apparatus having a stable recovery means capable of absorbing discharged ink by a discharged ink holding means, preventing ink discharge openings from clogging and maintaining eject recovery performance. For that purpose the ink-jet recording apparatus is arranged as follows. A recording means having a plurality of nozzles and nozzle rows for ejecting ink, a reciprocatingly moving carriage on which the recording means is mounted, a recovery means for recovering or maintaining an ink eject status, and a discharged ink holding means for absorbing discharged ink from the recovery means and for keeping discharged ink from flowing out of the apparatus, where pigment ink and dye ink discharge openings are arranged closely so that both discharged inks are mixed so as to dissolve a stuck deposition of the pigment ink or to suppress the stuck deposition.Type: GrantFiled: January 30, 2002Date of Patent: April 20, 2004Assignee: Canon Kabushiki KaishaInventor: Kenji Shigeno
-
Patent number: 6712456Abstract: Disclosed is an ink-jet recording head improving relative positional accuracy between a piezoelectric element and a pressure generating chamber to improve ink ejection characteristics and stability thereof, capable of arraying pressure generating chambers in high density, and reducing cross talk between the pressure generating chambers. Moreover, disclosed are a manufacturing method of the same and an ink-jet recording apparatus having the ink-jet recording head built therein. The ink-jet recording head comprises: a passage-forming substrate 10 having a pressure generating chamber 11 formed therein, which communicates with a nozzle orifice; and a piezoelectric element 300 formed of a thin film and by a lithography method in a region corresponding to the pressure generating chamber 11 via a vibration plate constituting a portion of the pressure generating chamber 11.Type: GrantFiled: January 9, 2001Date of Patent: March 30, 2004Assignee: Seiko Epson CorporationInventors: Akira Matsuzawa, Masato Shimada, Tetsushi Takahashi
-
Patent number: 6698878Abstract: A method and mechanism for cleaning a paper transport belt of undesirable ink deposits caused by ink-jet aerosol and printing overshoot operations uses a special cleaning medium. An absorbent material is positioned in the print zone of a hard copy apparatus to scrub the belt. An ink solvent is used to rehydrate dried ink. The scrubber can be in the form of consumable sheets or a continuous roll form.Type: GrantFiled: May 30, 2000Date of Patent: March 2, 2004Assignee: Hewlett-Packard Development Company, L.P.Inventors: Wesley Baxter Roche, Le Pham, Wade A. Powell, Steven P Downing
-
Patent number: 6695445Abstract: A printer is arranged to be self propelled for movement on a surface of a sheet on which printing is to take place. The printer is independently driven, while the sheet is held stationary, and does not have to be fed the sheet. The sheet can be oriented in a home position and indexed relative to a frame carrying the printer so that the printhead on the printer will print a line at a time perpendicular to the direction of travel of the frame.Type: GrantFiled: November 13, 2001Date of Patent: February 24, 2004Assignee: Primera Technology, Inc.Inventors: Erick Hagstrom, Robert P. Cummins, Michael R. Tolrud