Patents by Inventor Tsunenobu Endo
Tsunenobu Endo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20150185146Abstract: A recording medium determining device includes a light irradiating portion that irradiates a recording medium with visible light; a regular reflection light receiving portion that receives regular reflection light regularly reflected by the recording medium irradiated with light from the light irradiating portion; a diffused reflection light receiving portion that receives diffused reflection light diffusely reflected by the recording medium irradiated with light from the light irradiating portion; and a determining portion that determines the type of recording medium on the basis of each light amount of two or more visible light components with different wavelengths to one another among the light components received by the regular reflection light receiving portion and each light amount of two or more visible light components with different wavelengths to one another among the light components received by the diffused reflection light receiving portion.Type: ApplicationFiled: March 11, 2015Publication date: July 2, 2015Inventors: Tsunenobu ENDO, Yuto TOGAWA, Shogo KUROSAWA
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Patent number: 9001333Abstract: A recording medium determining device includes a light irradiating portion that irradiates a recording medium with visible light; a regular reflection light receiving portion that receives regular reflection light regularly reflected by the recording medium irradiated with light from the light irradiating portion; a diffused reflection light receiving portion that receives diffused reflection light diffusely reflected by the recording medium irradiated with light from the light irradiating portion; and a determining portion that determines the type of recording medium on the basis of each light amount of two or more visible light components with different wavelengths to one another among the light components received by the regular reflection light receiving portion and each light amount of two or more visible light components with different wavelengths to one another among the light components received by the diffused reflection light receiving portion.Type: GrantFiled: January 6, 2014Date of Patent: April 7, 2015Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Yuto Togawa, Shogo Kurosawa
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Publication number: 20140293336Abstract: A print system includes: a cartridge information reading unit that reads out cartridge information including tape color information about a color of a print surface of tape-like member housed in a cartridge installed in a tape printing device and ink color information about a color of an ink ribbon housed in the cartridge, from a cartridge information recording unit provided in the cartridge; a cartridge information acquisition unit that acquires the read-out cartridge information; and a display unit that shows a color display of the color of the print surface of the tape-like member and the color of the ink ribbon, based on the tape color information and the ink color information included in the acquired cartridge information.Type: ApplicationFiled: March 24, 2014Publication date: October 2, 2014Applicant: Seiko Epson CorporationInventor: Tsunenobu Endo
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Publication number: 20140192361Abstract: A recording medium determining device includes a light irradiating portion that irradiates a recording medium with visible light; a regular reflection light receiving portion that receives regular reflection light regularly reflected by the recording medium irradiated with light from the light irradiating portion; a diffused reflection light receiving portion that receives diffused reflection light diffusely reflected by the recording medium irradiated with light from the light irradiating portion; and a determining portion that determines the type of recording medium on the basis of each light amount of two or more visible light components with different wavelengths to one another among the light components received by the regular reflection light receiving portion and each light amount of two or more visible light components with different wavelengths to one another among the light components received by the diffused reflection light receiving portion.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Inventors: Tsunenobu ENDO, Yuto TOGAWA, Shogo KUROSAWA
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Publication number: 20140192109Abstract: A printing apparatus includes a print head that forms an image on a target printing surface of a printing medium by relatively moving with respect to the printing medium, an elastic wave radiation unit that radiates elastic waves, in air toward the target printing surface, a reception unit that receives the elastic waves that are radiated from the elastic wave radiation unit and reflected by the target printing surface, and a control unit which measures the time of arrival taken for elastic waves, and stops relative movement when the time of arrival is shorter than a defined time, in which the defined time is a time of arrival in which a distance from the print head to the printing medium and the distance from the elastic wave radiation unit to the printing medium to an allowable minimum distance between the print head and the printing medium.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Tsunenobu ENDO
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Publication number: 20140192368Abstract: A recording medium determination apparatus includes a light radiation unit which radiates light toward a recording medium; a light receiving unit which receives diffuse reflection light, which is light radiated from the light radiation unit and diffuse reflected by the recording medium; a reflection portion which can reflect transmitted light, which is radiated from the light radiation unit and transmitted through the recording medium, to cause the transmitted light to be incident to the recording medium again; a switching unit which switches a reflectance state such that a reflectance of the reflection portion changes; and a determination unit which determines a thickness of the recording medium on a basis of a value of a ratio between light amounts of a plurality of the diffuse reflection lights which are reflected by the reflection portion in different reflectance states and are received by the light receiving unit.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Tsunenobu ENDO
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Publication number: 20140152734Abstract: A printing apparatus includes a position detection unit which includes an optical element, a light source and a light receiving element, radiates light from the light source toward the printing surface, causes diffused reflection light of reflection light which is reflected by the printing surface to be incident to the light receiving element through the optical element and outputs positional information relating to a position of the printing surface at which the light from the light source reflects, from the light receiving element, and a controller which causes movement of the carriage to stop when lifting up of the printing medium is detected on a basis of the positional information output from the light receiving element, in which a virtual plane which contains the optical element and the light receiving element is in a state of being inclined in relation to a normal line of the printing surface.Type: ApplicationFiled: November 27, 2013Publication date: June 5, 2014Inventors: Tsunenobu Endo, Shogo Kurosawa
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Patent number: 8485645Abstract: A liquid ejecting apparatus which can reduce transportation failure, enhance device safety, and consume lower power in an apparatus including a liquid electing head, an absorbing member, an electrode, and a potential difference creating unit, by controlling the duration of a high voltage application period by controlling the voltage from the potential difference creating unit using a liquid collection control unit.Type: GrantFiled: September 7, 2007Date of Patent: July 16, 2013Assignee: Seiko Epson CorporationInventors: Narihiro Oki, Tsunenobu Endo
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Patent number: 8356894Abstract: An ink jet recording apparatus includes a recording head which discharges ultraviolet curing inks toward a recording sheet while reciprocally moving in a reciprocal movement direction M crossing a transportation direction S of the recording sheet; and an ultraviolet irradiation head which irradiates ultraviolet rays toward the ultraviolet curing inks discharged from the recording head and attached to the recorded medium. The recording head includes a going recording head and a returning recording head which are disposed at the front and the back of the reciprocal movement direction M with respect to a region in which the ultraviolet irradiation head irradiates the ultraviolet rays to the recording sheet.Type: GrantFiled: October 10, 2008Date of Patent: January 22, 2013Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Kazuma Ozaki, Tsuyoshi Otani, Atsushi Sumii, Yasuharu Harada
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Patent number: 8313162Abstract: There is provided a recording apparatus including a recording head which includes a nozzle plate having conductive property including an opening and for ejecting ink toward a medium to be recorded from the opening, an absorbing member disposed so as to oppose the nozzle plate in the ejecting direction of the ink from the recording head and for absorbing the ink not adhered to the medium to be recorded, an electrode disposed so as to make contact with the absorbing member, and an electric potential difference generator for generating an electric potential difference between the nozzle plate and the electrode and electrically attracting the ink not adhered to the medium to be recorded toward the electrode side. The electric potential difference generator generates an electric potential difference so that the magnitude of the electric potential difference is varied in accordance with a distance between a portion of the absorbing member to which the ink is absorbed and the nozzle plate.Type: GrantFiled: November 13, 2007Date of Patent: November 20, 2012Assignee: Seiko Epson CorporationInventors: Narihiro Oki, Tsunenobu Endo, Hidetoshi Kodama
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Patent number: 8282195Abstract: There is provided a liquid ejecting apparatus including a liquid ejecting head that ejects liquid from an aperture of a nozzle plate toward a recording material while reciprocating over the recording material and a platen that supports the recording material from a rear face thereof to position the recording material at a position facing the nozzle plate in a direction in which the liquid is ejected. The liquid ejecting apparatus further includes: a first electrode being provided on the platen side between the liquid ejecting head and the platen; a second electrode being provided on the liquid ejecting head side between the liquid ejecting head and the platen; and a potential difference generating section of which one end is connected to the first electrode and the other end is connected to the second electrode and that generates a potential difference between the second electrode and the first electrode.Type: GrantFiled: April 29, 2010Date of Patent: October 9, 2012Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Tomoaki Takahashi
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Patent number: 8033649Abstract: There is provided a liquid ejecting apparatus including: a liquid ejecting head that has a conductive nozzle plate and discharges liquid from openings of the nozzle plate to recording material; an absorbing member that is arranged opposite the nozzle plate in a direction in which the liquid is discharged and has electrical conductivity to absorb liquid not attached to the recording material; an electrode member that is adjacent to a rear face of a face facing the nozzle plate in the absorbing member; and a potential difference generating means that generates a potential difference between the nozzle plate and the electrode member to electrically attract the liquid toward the electrode member.Type: GrantFiled: March 14, 2011Date of Patent: October 11, 2011Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Sanshiro Takeshita, Hidetoshi Kodama
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Publication number: 20110164088Abstract: There is provided a liquid ejecting apparatus including: a liquid ejecting head that has a conductive nozzle plate and discharges liquid from openings of the nozzle plate to recording material; an absorbing member that is arranged opposite the nozzle plate in a direction in which the liquid is discharged and has electrical conductivity to absorb liquid not attached to the recording material; an electrode member that is adjacent to a rear face of a face facing the nozzle plate in the absorbing member; and a potential difference generating means that generates a potential difference between the nozzle plate and the electrode member to electrically attract the liquid toward the electrode member.Type: ApplicationFiled: March 14, 2011Publication date: July 7, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Tsunenobu Endo, Sanshiro Takeshita, Hidetoshi Kodama
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Patent number: 7931355Abstract: There is provided a liquid ejecting apparatus including: a liquid ejecting head that has a conductive nozzle plate and discharges liquid from openings of the nozzle plate to recording material; an absorbing member that is arranged opposite the nozzle plate in a direction in which the liquid is discharged and has electrical conductivity to absorb liquid not attached to the recording material; an electrode member that is adjacent to a rear face of a face facing the nozzle plate in the absorbing member; and a potential difference generating means that generates a potential difference between the nozzle plate and the electrode member to electrically attract the liquid toward the electrode member.Type: GrantFiled: June 23, 2009Date of Patent: April 26, 2011Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Sanshiro Takeshita, Hidetoshi Kodama
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Publication number: 20100207996Abstract: There is provided a liquid ejecting apparatus including a liquid ejecting head that ejects liquid from an aperture of a nozzle plate toward a recording material while reciprocating over the recording material and a platen that supports the recording material from a rear face thereof to position the recording material at a position facing the nozzle plate in a direction in which the liquid is ejected. The liquid ejecting apparatus further includes: a first electrode being provided on the platen side between the liquid ejecting head and the platen; a second electrode being provided on the liquid ejecting head side between the liquid ejecting head and the platen; and a potential difference generating section of which one end is connected to the first electrode and the other end is connected to the second electrode and that generates a potential difference between the second electrode and the first electrode.Type: ApplicationFiled: April 29, 2010Publication date: August 19, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Tsunenobu Endo, Tomoaki Takahashi
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Publication number: 20100201747Abstract: There is provided a liquid ejecting apparatus including a liquid ejecting head that ejects liquid from an aperture of a nozzle plate toward a recording material while reciprocating over the recording material and a platen that supports the recording material from a rear face thereof to position the recording material at a position facing the nozzle plate in a direction in which the liquid is ejected. The liquid ejecting apparatus further includes: a first electrode being provided on the platen side between the liquid ejecting head and the platen; a second electrode being provided on the liquid ejecting head side between the liquid ejecting head and the platen; and a potential difference generating section of which one end is connected to the first electrode and the other end is connected to the second electrode and that generates a potential difference between the second electrode and the first electrode.Type: ApplicationFiled: April 29, 2010Publication date: August 12, 2010Applicant: Seiko Epson CorporationInventors: Tsunenobu Endo, Tomoaki Takahashi
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Patent number: 7735975Abstract: There is provided a liquid ejecting apparatus including a liquid ejecting head that ejects liquid from an aperture of a nozzle plate toward a recording material while reciprocating over the recording material and a platen that supports the recording material from a rear face thereof to position the recording material at a position facing the nozzle plate in a direction in which the liquid is ejected. The liquid ejecting apparatus further includes: a first electrode being provided on the platen side between the liquid ejecting head and the platen; a second electrode being provided on the liquid ejecting head side between the liquid ejecting head and the platen; and a potential difference generating section of which one end is connected to the first electrode and the other end is connected to the second electrode and that generates a potential difference between the second electrode and the first electrode.Type: GrantFiled: October 23, 2006Date of Patent: June 15, 2010Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Tomoaki Takahashi
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Publication number: 20090262162Abstract: There is provided a liquid ejecting apparatus including: a liquid ejecting head that has a conductive nozzle plate and discharges liquid from openings of the nozzle plate to recording material; an absorbing member that is arranged opposite the nozzle plate in a direction in which the liquid is discharged and has electrical conductivity to absorb liquid not attached to the recording material; an electrode member that is adjacent to a rear face of a face facing the nozzle plate in the absorbing member; and a potential difference generating means that generates a potential difference between the nozzle plate and the electrode member to electrically attract the liquid toward the electrode member.Type: ApplicationFiled: June 23, 2009Publication date: October 22, 2009Applicant: Seiko Epson CorporationInventors: Tsunenobu Endo, Sanshiro Takeshita, Hidetoshi Kodama
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Patent number: 7566115Abstract: There is provided a liquid ejecting apparatus including: a liquid ejecting head that has a conductive nozzle plate and discharges liquid from openings of the nozzle plate to recording material; an absorbing member that is arranged opposite the nozzle plate in a direction in which the liquid is discharged and has electrical conductivity to absorb liquid not attached to the recording material; an electrode member that is adjacent to a rear face of a face facing the nozzle plate in the absorbing member; and a potential difference generating means that generates a potential difference between the nozzle plate and the electrode member to electrically attract the liquid toward the electrode member.Type: GrantFiled: February 16, 2006Date of Patent: July 28, 2009Assignee: Seiko Epson CorporationInventors: Tsunenobu Endo, Sanshiro Takeshita, Hidetoshi Kodama
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Publication number: 20090115827Abstract: An ink jet recording apparatus includes a recording head which discharges ultraviolet curing inks toward a recording sheet while reciprocally moving in a reciprocal movement direction M crossing a transportation direction S of the recording sheet; and an ultraviolet irradiation head which irradiates ultraviolet rays toward the ultraviolet curing inks discharged from the recording head and attached to the recorded medium. The recording head includes a going recording head and a returning recording head which are disposed at the front and the back of the reciprocal movement direction M with respect to a region in which the ultraviolet irradiation head irradiates the ultraviolet rays to the recording sheet.Type: ApplicationFiled: October 10, 2008Publication date: May 7, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Tsunenobu Endo, Kazuma Ozaki, Tsuyoshi Otani, Atsushi Sumii, Yasuharu Harada