公开(公告)号：US20150071689A1

公开(公告)日：2015-03-12

申请号：US14483609

申请日：2014-09-11

Applicant: Konica Minolta, Inc.

Inventor： Hiroshi YAMAGUCHI ,  Isao Watanabe ,  Yasutaka Tanimura ,  Hiroshi Hiraguchi ,  Mineo Yamamoto ,  Toshinori Inomoto

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2064 ,  G03G2215/2025

Abstract: A fixing device thermally fixes an unfixed image onto a sheet through heat of a heating body that is heated through electromagnetic induction, the fixing device including an excitation coil generating flux for heating the heating body; one or more core members disposed opposite the heating body with respect to the excitation coil; a thermo-electric conversion element disposed farther from the excitation coil than the core members; and a thermally conductive member connected to the excitation coil and to a heat-absorbing face of the thermo-electric conversion element, transferring heat from the excitation coil to the thermo-electric conversion element.

Abstract translation: 定影装置通过电磁感应加热的加热体的热量将未定影图像热固定在片材上，该定影装置包括产生用于加热加热体的助熔剂的激励线圈; 相对于所述励磁线圈与所述加热体相对设置的一个或多个芯构件; 与所述芯构件相比设置得比所述励磁线圈更远的热电转换元件; 以及连接到所述激励线圈和所述热电转换元件的吸热面的导热构件，其将热量从所述励磁线圈传递到所述热电转换元件。

公开(公告)号：US20190260899A1

公开(公告)日：2019-08-22

申请号：US16262175

申请日：2019-01-30

Applicant: KONICA MINOLTA, INC.

Inventor： Nobuhiro Matsuo ,  Takeshi Nomura ,  Yoshiki Nakazawa ,  Toshinori Inomoto

IPC: H04N1/00 ,  G06F3/12

Abstract: An electronic apparatus includes a processor that performs: obtaining first information related to ambient electromagnetic radiation of the electronic apparatus in an environment having at least one other electronic apparatus; and controlling operation of either one or both of the electronic apparatus and the at least one other electronic apparatus with reference to the result of the comparison of a level of ambient electromagnetic radiation of the electronic apparatus to an allowable limit of electromagnetic radiation exposure of the electronic apparatus, the level of ambient electromagnetic radiation being included in the first information obtained by the processor.

公开(公告)号：US09423731B2

公开(公告)日：2016-08-23

申请号：US14340803

申请日：2014-07-25

Applicant: KONICA MINOLTA, INC.

Inventor： Toshiaki Tanaka ,  Yasuhiro Ishihara ,  Toshinori Inomoto

IPC: G03G15/20 ,  G06K15/12 ,  G06K15/02

CPC classification number: G03G15/2039 ,  G03G15/205 ,  G03G2215/0132 ,  G06K15/12 ,  G06K15/1822

Abstract: An image forming apparatus forms a toner image of text on a recording sheet based on PDL data prescribing text data and one or more print conditions of thereof, and thermally fixes the toner image, and includes: condition acquisition unit analyzing the PDL data to acquire, as the conditions, one or more of character number, character spacing, and line spacing from the PDL data; judgment unit judging for each condition, by comparing the condition with reference value, the judgment indicating whether the condition is suitable for ensuring fixability of the toner image if thermally fixed at a temperature that is lower than predetermined temperature; and temperature control unit, when the judgment unit judges negatively for at least one condition, setting a fixing temperature for thermally fixing the toner image to the predetermined temperature, when the judgment unit judges affirmatively for all conditions, setting the fixing temperature to the lower temperature.

Abstract translation: 图像形成装置基于规定文本数据的PDL数据及其一个或多个打印条件在记录纸上形成文本的调色剂图像，并且对色调剂图像进行热定影，并且包括：条件获取单元，分析PDL数据， 作为条件，与PDL数据中的一个或多个字符数，字符间隔和行间距; 判断单元，通过将条件与参考值进行比较，判断条件是否适合于确保在低于预定温度的温度下热定影的调色剂图像的定影性; 和温度控制单元，当判断单元对至少一个条件判断为否定时，将用于将调色剂图像热定影的定影温度设置为预定温度，当判断单元判断所有条件时，将定影温度设定为较低温度 。

公开(公告)号：US10256711B2

公开(公告)日：2019-04-09

申请号：US15878485

申请日：2018-01-24

Applicant: KONICA MINOLTA, INC.

Inventor： Satoshi Chikazawa ,  Toshinori Inomoto ,  Yasuhiro Ishihara

IPC: H02M1/12 ,  G03G15/00 ,  H02M3/335 ,  H02M1/00

Abstract: A power control apparatus that supplies an AC current to a load and adjusts a current amount by setting a portion of a phase range among each of half-wave periods of the AC current to be supplied as a conduction angle and setting the remainder as a non-conduction angle, includes: a reference value determiner that defines a period across a plurality of half-wave periods as a current determination period and that determines a reference value of the conduction angle; and a distribution processor that determines a distribution value to distribute the conduction angle and performs current amount adjustment by distributed conduction angles, wherein the distribution processor determines the distribution value within one current determination period such that the value includes a positive distribution value and a negative distribution value, and an average value of the distributed conduction angles is within ±2.5% with respect to the reference value.

公开(公告)号：US09656821B2

公开(公告)日：2017-05-23

申请号：US14982704

申请日：2015-12-29

Applicant: Konica Minolta, Inc.

Inventor： Takaki Kato ,  Toshinori Inomoto ,  Masayuki Fukunaga ,  Isao Watanabe ,  Toshiaki Tanaka

IPC: B65H7/12 ,  G03G15/00

CPC classification number: B65H7/125 ,  B65H2511/413 ,  B65H2511/524 ,  B65H2513/10 ,  B65H2515/112 ,  B65H2515/805 ,  B65H2553/414 ,  B65H2553/42 ,  B65H2557/51 ,  G03G15/703 ,  B65H2220/01 ,  B65H2220/03

Abstract: A multi-feed detection apparatus for detecting multi-feed of a sheet conveyed along a paper path is provided. The apparatus includes a first movement amount sensor disposed on the paper path to face a first surface of the sheet to detect a movement amount of the sheet; a second movement amount sensor disposed, on the paper path, in a position at which the first movement amount sensor is disposed to face a second surface of the sheet to detect a movement amount of the sheet; and a determination portion configured to determine that a conveyance state of the sheet is multi-feed when a difference between the movement amount of the sheet detected by the first movement amount sensor and the movement amount of the sheet detected by the second movement amount sensor is equal to or greater than a threshold.

公开(公告)号：US09316974B2

公开(公告)日：2016-04-19

申请号：US14483609

申请日：2014-09-11

Applicant: Konica Minolta, Inc.

Inventor： Hiroshi Yamaguchi ,  Isao Watanabe ,  Yasutaka Tanimura ,  Hiroshi Hiraguchi ,  Mineo Yamamoto ,  Toshinori Inomoto

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2064 ,  G03G2215/2025

Abstract: A fixing device thermally fixes an unfixed image onto a sheet through heat of a heating body that is heated through electromagnetic induction, the fixing device including an excitation coil generating flux for heating the heating body; one or more core members disposed opposite the heating body with respect to the excitation coil; a thermo-electric conversion element disposed farther from the excitation coil than the core members; and a thermally conductive member connected to the excitation coil and to a heat-absorbing face of the thermo-electric conversion element, transferring heat from the excitation coil to the thermo-electric conversion element.

Abstract translation: 定影装置通过电磁感应加热的加热体的热量将未定影图像热固定在片材上，该定影装置包括产生用于加热加热体的助熔剂的激励线圈; 相对于所述励磁线圈与所述加热体相对设置的一个或多个芯构件; 与所述芯构件相比设置得比所述励磁线圈更远的热电转换元件; 以及连接到所述激励线圈和所述热电转换元件的吸热面的导热构件，其将热量从所述励磁线圈传递到所述热电转换元件。

公开(公告)号：US09979852B2

公开(公告)日：2018-05-22

申请号：US15447902

申请日：2017-03-02

Applicant: Konica Minolta, Inc.

Inventor： Toshinori Inomoto ,  Yasuhiro Ishihara ,  Toshiaki Tanaka ,  Satoshi Chikazawa

IPC: H04N1/04 ,  H04N1/028 ,  H04N1/00

CPC classification number: H04N1/02865 ,  H04N1/00734 ,  H04N1/0285 ,  H04N1/02855 ,  H04N1/02895 ,  H04N1/04 ,  H04N2201/0094

Abstract: An image reading apparatus includes: three or more light sources configured to each emit light; a light receiving unit including a common light receiving surface configured to detect each light emitted; and an image generation unit configured to cause the three or more light sources to be switched over in a predetermined order and emit the corresponding light, and generate an image read from a document, wherein at least one of the three or more light sources includes a white light source and an optical filter, and the optical filter is configured such that a half-value width of a wavelength with respect to a maximum intensity of a spectral characteristic of the emitted light after transmission is wider than a half-value width of a wavelength with respect to a maximum intensity of the spectral characteristic of the light emitted from at least one of the other light sources.

公开(公告)号：US09389553B2

公开(公告)日：2016-07-12

申请号：US14666456

申请日：2015-03-24

Applicant: KONICA MINOLTA, INC.

Inventor： Mineo Yamamoto ,  Isao Watanabe ,  Yasutaka Tanimura ,  Hiroshi Hiraguchi ,  Hiroshi Yamaguchi ,  Toshinori Inomoto

IPC: G03G15/20

CPC classification number: G03G15/2039

Abstract: A fixing device includes: a plurality of heating units which individually heat a plurality of areas of a fixing member; an acquisition unit which acquires information on an image forming range and a non-image forming range of the recording sheet for each of the plurality of divided heating areas; and a control unit which performs first control for controlling the corresponding heating unit such that a contact portion of the image forming range of the recording sheet has a target fixing temperature when the image forming range contacts the fixing member at the contact portion of the image forming range, and second control for controlling the corresponding heating unit such that a contact portion of the non-image forming range of the recording sheet has a temperature lower than the fixing temperature when the non-image forming range contacts the fixing member at the contact portion of the non-image forming range.

Abstract translation: 定影装置包括：多个加热单元，其分别加热定影构件的多个区域; 获取单元，其针对所述多个分割加热区域中的每一个获取关于所述记录片材的图像形成范围和非图像形成范围的信息; 以及控制单元，其执行用于控制对应的加热单元的第一控制，使得当图像形成范围在图像形成的接触部分处的图像形成范围与定影构件接触时，记录片材的成像范围的接触部分具有目标定影温度 范围和第二控制，用于控制对应的加热单元，使得当非图像形成范围在接触部分处接触固定构件时，记录片材的非图像形成范围的接触部分具有低于定影温度的温度 的非图像形成范围。

公开(公告)号：US20150030346A1

公开(公告)日：2015-01-29

申请号：US14340803

申请日：2014-07-25

Applicant: KONICA MINOLTA, INC.

Inventor： Toshiaki Tanaka ,  Yasuhiro Ishihara ,  Toshinori Inomoto

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  G03G15/205 ,  G03G2215/0132 ,  G06K15/12 ,  G06K15/1822

Abstract: An image forming apparatus forms a toner image of text on a recording sheet based on PDL data prescribing text data and one or more print conditions of thereof, and thermally fixes the toner image, and includes: condition acquisition unit analyzing the PDL data to acquire, as the conditions, one or more of character number, character spacing, and line spacing from the PDL data; judgment unit judging for each condition, by comparing the condition with reference value, the judgment indicating whether the condition is suitable for ensuring fixability of the toner image if thermally fixed at a temperature that is lower than predetermined temperature; and temperature control unit, when the judgment unit judges negatively for at least one condition, setting a fixing temperature for thermally fixing the toner image to the predetermined temperature, when the judgment unit judges affirmatively for all conditions, setting the fixing temperature to the lower temperature.

Abstract translation: 图像形成装置基于规定文本数据的PDL数据及其一个或多个打印条件在记录纸上形成文本的调色剂图像，并且对色调剂图像进行热定影，并且包括：条件获取单元，分析PDL数据， 作为条件，与PDL数据中的一个或多个字符数，字符间隔和行间距; 判断单元，通过将条件与参考值进行比较，判断条件是否适合于确保在低于预定温度的温度下热定影的调色剂图像的定影性; 和温度控制单元，当判断单元对至少一个条件判断为否定时，将用于将调色剂图像热定影的定影温度设置为预定温度，当判断单元判断所有条件时，将定影温度设定为较低温度 。