Patents Examined by Michael Konczal
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Patent number: 9174449Abstract: Ratchets which regulate a rotation of either a reeling-out roller around which one end of a long wiping member which wipes ink attached to a recording head which ejects ink is wound, or a winding-up roller around which the other end of the wiping member is wound to which tension is applied due to a friction force which acts on the wiping member when performing wiping are provided.Type: GrantFiled: January 24, 2014Date of Patent: November 3, 2015Assignee: Seiko Epson CorporationInventors: Chikashi Nakamura, Keiji Matsumoto, Toshihiko Wakabayashi, Jun Ushiama
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Patent number: 9168751Abstract: Provided is a liquid ejecting apparatus which includes a plurality of liquid receiving portions in which the same kinds of liquid are received, a switching unit which switches the liquid receiving portion that supplies the liquid to a liquid ejecting head, and a controller which performs a maintenance process including discharging the liquid through the liquid ejecting head, in which, when a liquid residual amount of the liquid receiving portion that supplies the liquid to the ejecting head, which is calculated by a residual amount estimation portion, is less than a determination value, the controller performs the maintenance process in a state where the liquid receiving portion to supply the liquid to the liquid ejecting head is selected among the plurality of liquid receiving portions and the liquid is supplied from the selected liquid receiving portion to the liquid ejecting head.Type: GrantFiled: September 10, 2014Date of Patent: October 27, 2015Assignee: Seiko Epson CorporationInventor: Masaki Uchiyama
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Patent number: 9162510Abstract: An image forming apparatus includes an apparatus body; a recording head to discharge droplets onto a recording medium, wherein a mist is generated when droplets are discharged to form an image; a battery, detachably disposed inside the apparatus body, to supply power necessary for operation of the apparatus body; and a connection terminal to connect the battery to the apparatus body and disposed outside a movement of the mist generated when the recording head discharges the droplets.Type: GrantFiled: September 15, 2014Date of Patent: October 20, 2015Assignee: RICOH COMPANY, LTD.Inventors: Kazuyoshi Matsumoto, Norikazu Yanase
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Patent number: 9147817Abstract: A semiconductor light-emitting element formed of a semiconductor layer includes a multilayer reflecting mirror, a light-emitting layer, a resonator, and a phase shift layer. The multilayer reflecting mirror is formed on a substrate. The light-emitting layer is formed on the multilayer reflecting mirror. The resonator uses the multilayer reflecting mirror as a lower reflecting mirror and resonates light emitted from the light-emitting layer. The phase shift layer shifts a phase of a resonance spectrum of the resonator to generate a standing wave having plural principal modes.Type: GrantFiled: September 17, 2013Date of Patent: September 29, 2015Assignee: FUJI XEROX CO., LTD.Inventor: Hideki Fukunaga
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Patent number: 9144992Abstract: An object is to directly detect the emptiness of a solvent cartridge being mounted. An emptiness detection unit body includes a light transmissive tube which constitutes part of internal piping of a printer body, a light emitter, and a light receiver. The light transmissive tube is composed of a transparent tube, typically, a glass tube or a fluororesin (PFA) tube. The light emitter and the light receiver are arranged to face the light transmissive tube. The light transmissive tube is filled with a solvent supplied from the solvent cartridge. On the other hand, the light transmissive tube is filled with gas when the solvent cartridge is empty. The emptiness of the solvent cartridge is detected by a change in the amount of light received by the light receiver associated with the change in the light transmissive tube.Type: GrantFiled: December 4, 2014Date of Patent: September 29, 2015Assignee: Keyence CorporationInventor: Hideki Yamakawa
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Patent number: 9146493Abstract: An electrostatic latent image forming method for forming, on an image carrier, an electrostatic latent image that has a pattern where there are an irradiated area and a not-irradiated area in a mixed manner, the electrostatic latent image forming method comprises; adjusting an exposure condition of an irradiated area that is included in the irradiated area and is adjacent to the not-irradiated area so that an electric field intensity of an electrostatic latent image that corresponds to the not-irradiated area is increased so as to prevent adhesion of a developer, and irradiating the image carrier with light under the adjusted exposure condition.Type: GrantFiled: February 6, 2014Date of Patent: September 29, 2015Assignee: RICOH COMPANY, LIMITEDInventors: Hiroyuki Suhara, Hiroaki Tanaka
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Patent number: 9145278Abstract: A medium transportation device includes a transportation section that transports a recording medium in a transport direction; a winding section that winds the recording medium transported by the transportation section; and a medium support section that is disposed between the transportation section and the winding section and has a medium support section supporting the recording medium. The medium support section has a support sliding section including a first surface and a second surface. A coefficient of friction of the first surface with the recording medium is greater than a coefficient of friction of the medium support surface with the recording medium and a coefficient of friction of the second surface with the recording medium is lower than the coefficient of friction of the first surface with the recording medium.Type: GrantFiled: January 27, 2014Date of Patent: September 29, 2015Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Yasuo Naramatsu
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Patent number: 9144986Abstract: There is provided a recording apparatus including: a printer main body which has a liquid ejecting head that ejects ink to a paper sheet and performs recording; a supply cassette which is insertable into and extractable from the printer main body and can accommodate the paper sheet; and a liquid accommodation portion which can accommodate the ink that is supplied to the liquid ejecting head. The liquid accommodation portion is installed in the supply cassette.Type: GrantFiled: November 5, 2014Date of Patent: September 29, 2015Assignee: Seiko Epson CorporationInventors: Munehide Kanaya, Shoma Kudo, Hidenao Suzuki
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Patent number: 9145018Abstract: A printer feeds a print medium in a first direction. A carriage reciprocates an ejection portion in a second direction orthogonal to the first direction. A side wall portion of a frame body has a first surface which is an external surface on a first side of the frame body, extending toward a third direction along liquid ejection. An upper wall of the frame body has a second surface which is an external surface on the first side of the frame body, extending toward the first side from an end portion of the side wall portion on a side of fourth direction opposite to the third direction. An object member having a pattern indicating a position of the carriage in the second direction extends further to the first side than the first surface and further to the third direction side than an opening portion formed on the second surface.Type: GrantFiled: September 4, 2014Date of Patent: September 29, 2015Assignee: Brother Kogyo Kabushiki KaishaInventor: Kazuyuki Kondo
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Patent number: 9142753Abstract: There is provided a piezoelectric actuator, including: first and second piezoelectric layers; a driving electrode arranged between the first and second piezoelectric layers; a second electrode maintained at a predetermined first electrical potential; and a third electrode maintained at a second electrical potential. A neutral plane of the piezoelectric actuator is positioned at a side opposite to the second piezoelectric layer relative to a center plane of the first piezoelectric layer in a direction of stacking of the first and second piezoelectric layers. A first portion of the first piezoelectric layer is sandwiched between the driving electrode and the second electrode, and a second portion of the second piezoelectric layer is sandwiched between the driving electrode and the third electrode. The first and second portions are polarized parallel to the stacking direction such that they are polarized in mutually opposite directions.Type: GrantFiled: July 30, 2014Date of Patent: September 22, 2015Assignee: Brother Kogyo Kabushiki KaishaInventors: Taisuke Mizuno, Mizuyo Takebayashi, Kyohei Naito, Shotaro Kanzaki, Masato Sueyasu, Keiji Kura
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Patent number: 9139033Abstract: An image forming apparatus includes an access cover that opens/closes relative to an apparatus body, a carriage that includes an image forming device and moves in a moving area which is exposed when the cover is opened, a first detector that detects that the cover has been opened from a fully closed position to a first position, a second detector that detects that the cover has been opened to a second position at which the cover is more open than at the first position, a drive source that drives the carriage to move, and a controller that brakes the drive source while the drive source is supplied with power when the first detector detects that the cover has been opened to the first position, and cuts off power supply to the drive source when the second detector detects that the cover has been opened to the second position.Type: GrantFiled: October 23, 2013Date of Patent: September 22, 2015Assignee: RICOH COMPANY, LTD.Inventor: Takashi Ebihara
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Patent number: 9139031Abstract: An inkjet printing system includes: a printer frame; a print head chassis mounted on the printer frame, the print head chassis supporting a plurality of print head cartridges, each print head cartridge having a longitudinal axis extending across a direction of print media propagation, each print head cartridge being spaced apart along the direction of print media propagation, and each print head cartridge having a respective monochrome inkjet printhead; a lift mechanism for lifting and lowering the print head chassis relative to the printer frame; and a plurality of ink blades slidably received in respective docking slots of the printer frame. Each ink blade includes a blade chassis and an ink reservoir mounted on the blade chassis, the ink reservoir being in fluid communication with a respective printhead.Type: GrantFiled: March 16, 2015Date of Patent: September 22, 2015Assignee: Memjet Technology Ltd.Inventors: Mark Profaca, Julian Paul Kolodko, William John Stacey, Stephen John Sleijpen, Craig Donald Strudwicke, Neil Fyfe Edwards, Lance Thomas Brown, Toby Desmond Oste, Eric Patrick O'Donnell, Peter John Morley Sobey, David Bernardi, James Andrew
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Patent number: 9127179Abstract: To provide a black ink for inkjet recording, including: carbon black and a complementary color pigment thereof each serving as a colorant; a water-soluble organic solvent; and water, wherein the carbon black, the complementary color pigment, or a combination thereof is a self-dispersion type pigment.Type: GrantFiled: January 30, 2015Date of Patent: September 8, 2015Assignee: RICOH COMPANY, LTD.Inventor: Ken Hasegawa
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Patent number: 9126219Abstract: An acoustic streaming fluid ejector includes a fluid filled chamber having an opening, a selectively vibrating flow generator having a sharp edge pointed toward the opening, and a driving device configured to vibrate one of the flow generator and the chamber to create a streaming fluid flow in a direction away from the sharp edge through the opening. Methods are also disclosed.Type: GrantFiled: September 6, 2013Date of Patent: September 8, 2015Assignee: Alcon Research, Ltd.Inventors: Mikhail Ovchinnikov, Satish Yalamanchili, Jianbo Zhou
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Patent number: 9128437Abstract: A recording unit configured to record an image on a recording medium, medium storages storing same-sized recording media, a conveyance mechanism configured to selectively convey the recording media stored in the medium storages to the recording unit, and a maintenance mechanism are provided. When, at the start of a maintenance period in which the maintenance of the recording unit is performed by the maintenance mechanism, the number of recording media stored in the sender medium storage is smaller than the number of recording media required to record all remaining images onto recording media in accordance with image data and, among the medium storages, there is at least one predetermined remaining number medium storage which is a medium storage storing more recording media than the sender medium storage, one of the at least one of predetermined remaining number medium storage is selected as the sender medium storage, during the maintenance period.Type: GrantFiled: September 27, 2013Date of Patent: September 8, 2015Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shinta Sugiura
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Patent number: 9120325Abstract: An ejection inspection method includes: preparing a liquid ejection nozzle for ejecting liquid onto a recording medium; irradiating a pattern formed by the liquid ejected onto the recording medium with light; and conducting ejection inspection of the liquid ejection nozzle based on results of observing or recognizing reflected light or transmitted light of the light from the recording medium. The recording medium includes an ink absorption layer having light transmittance where a great number of void cells having a particle diameter smaller than wavelength of the light are dispersed into a joining material, and an ejection amount of the liquid is adjusted such that a region where the liquid is sufficiently filled in the void cells and a region where substantially no liquid is filled exist in a thickness direction and a horizontal direction in planar view of the ink absorption layer.Type: GrantFiled: October 31, 2013Date of Patent: September 1, 2015Assignee: Seiko Epson CorporationInventors: Takeshi Ito, Tsuyoshi Kato, Osamu Kasuga
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Patent number: 9120333Abstract: A printing apparatus according to the present invention includes a feeding unit, a conveying unit, a printing unit, and a control unit. The control unit performs a successive feeding operation. An operating state of the feeding unit changes between a first operating state and a second operating state in which a feeding stop is more unstable than that in the first operating state, in a period from a start of feeding a printing medium until the printing medium reaches the conveying unit. In the successive feeding operation, a subsequent printing medium is fed without stopping until a leading end of the subsequent printing medium reaches a stoppable position. The stoppable position is arranged on an upstream side of the conveying unit. The subsequent printing medium can be stopped in the first operating state at the stoppable position.Type: GrantFiled: December 1, 2014Date of Patent: September 1, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Toshiaki Tokisawa, Atsushi Miyahara, Kazuo Ohyama, Masanori Kaneko, Masaaki Matsuura, Hiroshi Nakai
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Control circuit and control method thereof, liquid droplet ejection head and image forming apparatus
Patent number: 9120308Abstract: A control circuit is disposed in which an analog switch is built, an ON/OFF-timing of the analog switch can be controlled, and mask-patterns can be set, which mask-patterns are used for switching ON/OFF the analog switch can be selected by analog-switch-selection data, and a number of the mask-patterns which can be set can be selected. The circuit includes mask-pattern-setting units for setting one of the mask-patterns by one of switching control signals; and a selection unit for selecting a mode from modes including a first mode in which the number of mask-patterns is smaller and a second mode in which the number of mask-patterns is larger. When the first mode is selected by the selection unit, to one mask-pattern-setting unit which is not selected by the analog-switch-selection data, the same switching control signal that is supplied to another mask-pattern-setting unit which is selected by the analog-switch-selection data is supplied.Type: GrantFiled: September 11, 2014Date of Patent: September 1, 2015Assignee: RICOH COMPANY, LTD.Inventor: Hitoshi Kida -
Patent number: 9102137Abstract: A transfer image forming apparatus includes ink applying unit for applying ink to an intermediate transfer member to form an intermediate image; a heating unit for irradiating the intermediate transfer member with at least infrared light to heat the intermediate image; and a transferring unit for pressing a recording medium against the intermediate transfer member having formed thereon the intermediate image to transfer the intermediate image onto the recording medium. The intermediate transfer member includes a substrate, and at least a second layer, a metal layer, and a first layer as a surface layer provided in the listed order on the substrate. The heat conductivity of the second layer is smaller than that of the first layer.Type: GrantFiled: January 22, 2014Date of Patent: August 11, 2015Assignee: Canon Kabushiki KaishaInventors: Noribumi Koitabashi, Haruhiko Terai, Toru Ohnishi
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Patent number: 9096771Abstract: An ink set includes a first ink that contains a white material and a first resin; and a second ink that contains a color material other than the white material and a second resin, wherein the first resin includes a component (A) causing cracks when resin of 0.5 g is dropped onto a slide glass and is dried at a temperature of 50° C. and a humidity of 0% RH for 10 minutes, and wherein the second resin includes a component (B) of at least one of polyolefin wax and ethylene vinyl acetate resin.Type: GrantFiled: October 17, 2014Date of Patent: August 4, 2015Assignee: Seiko Epson CorporationInventors: Ippei Okuda, Tsuyoshi Sano