Patents Examined by Geoffrey S. Mruk
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Patent number: 11981133Abstract: A substrate includes a layer including a base material and an intermediate layer including a wiring layer, an element formed on a side of the intermediate layer, and configured to generate energy for discharging a liquid, an insulating layer covering the element and the layer against a liquid chamber, and a conductive layer formed on the insulating layer so as to cover the element against the liquid chamber. The substrate further includes an electric connecting portion configured to electrically connect the wiring layer and the element, a non-insulated portion formed on a side of the intermediate layer and configured to be covered by the insulating layer against the liquid chamber, and an opening portion formed in the insulating layer at a position. The non-insulated portion is connected to the conductive layer via the opening portion.Type: GrantFiled: March 30, 2022Date of Patent: May 14, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Shinya Iwahashi, Takeru Yasuda, Yuzuru Ishida
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Patent number: 11981122Abstract: An ink-jet recording apparatus includes a recording head, an irregularity detecting unit, a recording medium conveyance unit, and a control unit. The irregularity detecting unit detects an irregularity with the recording medium conveyed toward the recording head. The recording medium conveyance unit has a recording medium diversion unit into which the recording medium with which an irregularity has been detected by the irregularity detecting unit is conveyed. The control unit can perform flushing operation and, when the irregularity detecting unit detects an irregularity with the recording medium, the control unit cancels the flushing operation set immediately before the recording medium with which the irregularity has been detected and conveys, by controlling the recording medium conveyance unit, the recording medium to the recording medium diversion unit.Type: GrantFiled: August 18, 2022Date of Patent: May 14, 2024Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Kiyotaka Yamaguchi
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Patent number: 11975537Abstract: A liquid ejecting apparatus including an ejector configured to eject a liquid with displacement of a piezoelectric element, a generator configured to generate a driving signal, which has a first waveform, for displacing the piezoelectric element in a first direction, and a second waveform, for displacing the piezoelectric element in a second direction opposite to the first direction, and a detector configured to detect a vibration remaining in the ejector in a detection time period starting after completion of the second time period. The difference between a duration from the first time point to the second time point and a duration that is a natural number times the period of a vibration produced in the ejector is shorter than one quarter times the period of the vibration produced in the ejector.Type: GrantFiled: March 29, 2022Date of Patent: May 7, 2024Assignee: Seiko Epson CorporationInventor: Osamu Shinkawa
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Patent number: 11964472Abstract: An optical sensor device (10) includes an application module (12) for applying an irregular pattern of marks to a surface of a medium and an optical detector module (14). The optical detector module (14) acquires images of the applied marks and may determine an advancement speed of the medium based on the acquired images.Type: GrantFiled: November 28, 2018Date of Patent: April 23, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Li Qian, Diego Lopez Ubieto, Francisco Guerrero Carvajal
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Patent number: 11958291Abstract: an adhesive having a first amount exists on a side of the first piezoelectric element line, of a joint of the wiring substrate and the pressure chamber substrate or the vibration plate, an adhesive having a second amount that is larger than the first amount exists on a side of the second piezoelectric element line of the wiring substrate, of the joint, and a first discharging element related to the first piezoelectric element line is different from a second discharging element related to the second piezoelectric element line.Type: GrantFiled: May 27, 2022Date of Patent: April 16, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Shohei Mizuta, Hiroaki Okui
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Patent number: 11951740Abstract: A communication plate in which are provided a first communication channel communicating with the first pressure chamber and the second pressure chamber and a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at positions different from positions at which the first communication channel communicates with the first pressure chamber and the second pressure chamber, and a nozzle substrate in which a first nozzle communicating with the first pressure chamber and the second pressure chamber in common via the first communication channel is provided. A second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber in common is provided in the pressure chamber substrate or the communication plate.Type: GrantFiled: January 25, 2022Date of Patent: April 9, 2024Assignee: Seiko Epson CorporationInventors: Shotaro Tamai, Takahiro Katakura, Takanori Aimono, Yuta Okawa, Hitoshi Takaai
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Patent number: 11951755Abstract: A printing apparatus according to an embodiment may include: a printing device; a cooling device; an environmental value detector configured to detect an environmental value in or around the printing apparatus; an environmental value storage storing the environmental value detected by the environmental value detector before a current printing operation starts; and a print controller configured, in response to starting the current printing operation, to select one of the environmental value stored in the environmental value storage before the start of the current printing operation and an environmental value detected by the environmental value detector after a start of cooling the printing device by the cooling device in the current printing operation, calculate, based on the selected environmental value, a parameter for the printing device to perform the current printing operation, and cause the printing device to perform the current printing operation based on the calculated parameter.Type: GrantFiled: August 25, 2021Date of Patent: April 9, 2024Assignee: Oki Electric Industry Co., Ltd.Inventors: Shuichi Fujikura, Bing Han
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Patent number: 11945220Abstract: A liquid dispensing element is provided. The element comprising; a dispensing plate comprising a plurality of orifices; the dispensing plate at least partially defining a fluid flow path; a plurality of piezoelectric transducers each comprising a piston configured to move perpendicular to the dispensing plate between a first position wherein the piston is close to the dispensing plate and a second position wherein the piston is further from the dispensing plate. The movement between the first and second positions results in the ejection of a droplet of fluid via a surface cavitation droplet ejection process such that the diameter of the droplet is less than a diameter of the orifice.Type: GrantFiled: October 29, 2020Date of Patent: April 2, 2024Assignee: Jetronica LimitedInventors: Simon Kew, Alan Hudd, Thomas Blythe, Andi Tao, Albert Kocsis
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Patent number: 11945223Abstract: To provide a head device, a liquid jetting apparatus, and a head maintenance method with which it is possible to suppress a decrease in performance of a liquid-repellent film on a nozzle surface that is caused by a wiping process with respect to the nozzle surface. Provided is a head device including an ink jet head (10) in which a liquid-repellent film (10B) is formed on a nozzle surface (10A) and a head control unit. The head control unit applies a negative pressure to liquid in a nozzle, performs a non-jetting driving operation of causing the liquid in the nozzle to vibrate without being jetted, and stops the non-jetting driving operation for a wiping target nozzle (12A) with which a wiping member (22) to be used in a wiping process comes into contact in a case where the wiping process with respect to the nozzle surface is to be performed.Type: GrantFiled: March 29, 2022Date of Patent: April 2, 2024Assignee: FUJIFILM CorporationInventors: Yuichi Ozaki, Jun Yamanobe
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Patent number: 11938732Abstract: A liquid ejecting head supported by a support body includes: a first head chip; a holder having a holding portion holding the first head chip and a flange portion; and a heater heating the holding portion, in which the holding portion has a heat receiving portion receiving heat from the heater, and a shortest path of heat transferred through the holder from the heat receiving portion to the flange portion is bent or curved at two or more points.Type: GrantFiled: March 23, 2022Date of Patent: March 26, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Katsuhiro Okubo, Takahiro Kanegae, Kentaro Murakami, Shingo Tomimatsu, Hiroki Kobayashi, Haruhisa Uezawa
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Patent number: 11932016Abstract: A liquid ejecting apparatus includes a liquid ejecting head and a cap configured to contact on an annular contacting region provided in a fixing plate. The liquid ejecting head includes head chips, each including a nozzle plate, and the fixing plate provided with opening portions for exposing the respective nozzle plates. A first hole and a second hole different from the opening portions are provided in the fixing plate. The fixing plate includes a first surface provided with the contacting region and a second surface to which the head chips are fixed. The opening portions are disposed inside the contacting region in a plan view when viewed in a direction perpendicular to the first surface. Each of the first hole and the second hole is disposed inside the contacting region in the plan view and is blocked by a filler.Type: GrantFiled: August 31, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventor: Ryo Inoue
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Patent number: 11919294Abstract: A system for stamping suitcases and luggage items, by in-line digital printing and drying, in a single pass, including: a printing module configured to print an image on one side of the suitcase with at least one printing head and one drying lamp; movement means for moving the items to be printed, with an individual conveyor belt, synchronised with the injector and the drying lamp, and movement means formed by a plurality of individual conveyors synchronised to operate according to the presence or absence of suitcases on adjacent conveyors, preventing them from impacting each other; and a traceability-tracking system configured to determine the position of each suitcase, by means of a unique two-dimensional identification code associated with each item, or by means of supervision of an operator. It also includes trays for coupling those suitcases that have an uneven shape, controlling the movement thereof and the correct alignment of the side to be printed.Type: GrantFiled: July 2, 2020Date of Patent: March 5, 2024Inventor: Juan Ferri Soler
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Patent number: 11912028Abstract: A substrate for liquid ejection head comprising, a base material, a heating element including a heating resistor layer for generating thermal energy for discharging a liquid, a wiring layer for supplying electric power to the heating element, and an interlayer insulating film for insulating the heating resistor layer and the wiring layer. A part of a first interlayer insulating film for insulating the heating resistor layer and a first wiring layer adjacent to the heating resistor layer, and a second interlayer insulating film for insulating the first wiring layer and a second wiring layer adjacent to the second interlayer insulating film, includes a material layer represented by SiwOxCyNz (w+x+y+z=100 (at. %), 37?w?60 (at. %), 30?x?53 (at. %), 6?y??29 (at. %), 4?z?9 (at. %)).Type: GrantFiled: November 5, 2021Date of Patent: February 27, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Mai Hirohara, Kenji Takahashi
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Patent number: 11904613Abstract: There is provided an inkjet recording device including a head, a support member, a storage portion, a valve, an actuator, and a controller. The head includes a nozzle and is configured to eject ink from the nozzle. The support member supports the head. The storage portion storing therein ink. The storage portion has a part positioned above the nozzle. The storage portion has an air communication opening allowing an interior of the storage portion to be communicated with an outside of the storage portion. The valve is movable between an opening position in which the valve opens the air communication opening and a closing position in which the valve closes the air communication opening. The actuator is configured to move the valve. The controller configured to control, while the head is ejecting ink from the nozzle toward a recording medium, the actuator to maintain the valve at the closing position.Type: GrantFiled: March 31, 2021Date of Patent: February 20, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Fumio Nakazawa, Yoshinori Osakabe, Taichi Shirono, Sosuke Kuroyanagi
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Patent number: 11884072Abstract: A liquid discharge head includes a flow passage substrate which is formed with individual flow passages, the individual flow passages including nozzles and pressure chambers communicated with the nozzles respectively, the pressure chambers being open on a surface of the flow passage substrate; a sealing member which is adhered to the surface via an adhesive and which seals the pressure chambers; and an actuator substrate which has a piezoelectric layer adhered to a surface of the sealing member on a side opposite to the flow passage substrate via an adhesive and individual electrodes formed on a side opposite to the sealing member with respect to the piezoelectric layer. The sealing member is composed of a material different from a material of the piezoelectric layer; and the surface has an adhesion area to which the sealing member is adhered and a non-adhesion area to which the sealing member is not adhered.Type: GrantFiled: April 19, 2022Date of Patent: January 30, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Takaaki Yoshino, Taisuke Mizuno
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Patent number: 11878524Abstract: A liquid discharge head includes: a first pressure chamber group formed by pressure chambers arranged in a first direction; a second pressure chamber group formed by pressure chambers arranged in the first direction, and disposed side by side with the first pressure chamber group in a second direction; a first common channel extending in the first direction and communicating with the pressure chambers composing the first pressure chamber group; a second common channel extending in the first direction and communicating with the pressure chambers composing the second pressure chamber group; a first dummy pressure chamber disposed on one side in the first direction relative to the first pressure chamber group; and a second dummy pressure chamber disposed on the one side in the first direction relative to the second pressure chamber group.Type: GrantFiled: February 27, 2023Date of Patent: January 23, 2024Assignee: Brother Kogyo Kabushiki KaishaInventor: Taisuke Mizuno
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Patent number: 11878528Abstract: A controller of a liquid ejection device obtains a temperature of a head after recording and before a pre-cap flushing and determines a pre-cap flushing voltage based on the temperature. Then, the controller outputs the pre-cap flushing voltage to the head in the pre-cap flushing process.Type: GrantFiled: January 27, 2022Date of Patent: January 23, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Satoru Arakane, Shotaro Iida
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Patent number: 11878531Abstract: A wiping device includes a wiper unit, a carriage, and a fixing member. The wiper unit includes a wiper that wipes a liquid discharge surface of a liquid discharge head from which liquid is to be discharged. The carriage moves along the liquid discharge surface in a first direction and a second direction, both of which are opposite to each other. The fixing member fixes the wiper unit to the carriage. When the carriage is disposed on a side in the first direction with respect to a middle point in a moving range of the carriage, the fixing member is removable in the first direction.Type: GrantFiled: September 23, 2021Date of Patent: January 23, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Masaki Shimomura, Seiya Sato, Toshihiro Imae
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Patent number: 11865842Abstract: A cleaning unit is provided with a cleaning member for cleaning an ejecting head for ejecting liquid and a holder detachably mounted in a holding portion disposed at a position faceable with the ejecting head. The cleaning member is held in the holder in a state in which an absorbent body configured to absorb liquid is wrapped around an elastic body.Type: GrantFiled: February 16, 2022Date of Patent: January 9, 2024Assignee: Seiko Epson CorporationInventor: Kazutoshi Fujisawa
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Patent number: 11865841Abstract: Disclosed herein is a spittoon assembly for a printing device, a printing device comprising a spittoon assembly, and a method of cleaning a print head using a spittoon assembly. The spittoon assembly comprises a waste receptacle and a spit plate with a receiving surface. The receiving surface is inclined relative to a horizontal direction by an inclination angle when the spittoon assembly is mounted in the printing device. A fluid path extends from the receiving surface to the waste receptacle.Type: GrantFiled: April 12, 2019Date of Patent: January 9, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ignasi Bonjoch Roma, Andreu Vinets Alonso, Javier Deocon Mir