公开(公告)号：US20170374217A1

公开(公告)日：2017-12-28

申请号：US15622164

申请日：2017-06-14

申请人： KONICA MINOLTA, INC.

发明人： Takeshi ISHIDA ,  Tatsuya EGUCHI ,  Isao WATANABE ,  Hiroaki TAKATSU ,  Taku KIMURA ,  Atomu NAKASHIMA

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

CPC分类号： H04N1/00885 ,  H04N1/00018 ,  H04N1/00095 ,  H04N1/00901 ,  H04N1/00904 ,  H04N1/00907 ,  H04N1/02815 ,  H04N1/04 ,  H04N1/1026 ,  H04N1/103

摘要： An image reading apparatus includes: a movable body configured to illuminate a document with light; and an apparatus body configured to wirelessly transmit power to the movable body, wherein the movable body includes receiver coils, and a feed circuit in which the receiver coils uses receiving power to supply power to a load, the apparatus body includes transmitter coils placed along a track of the receiver coils, the transmitter coils and the receiver coils are placed such that power supply efficiency of any receiver coil with the transmitter coil placed along the track of the receiver coil fluctuates, and power supply efficiency related to one receiver coil increases at a position where power supply efficiency related to the other receiver coil drops, and the feed circuit supplies power sequentially using the receiving power of the receiver coil whose power supply efficiency is increased to highest among the receiver coils.

公开(公告)号：US20150256079A1

公开(公告)日：2015-09-10

申请号：US14643398

申请日：2015-03-10

申请人： Konica Minolta, Inc.

发明人： Taku KIMURA ,  Mikiyuki AOKI ,  Hideki NAKAMURA ,  Masahiro NONOYAMA ,  Junichi MASUDA ,  Yohei YAMADA

IPC分类号： H02J1/00 ,  G03G15/00

CPC分类号： G03G15/80 ,  H02M3/33507 ,  H02M7/217 ,  H02M2001/0035 ,  H02M2001/007 ,  H02M2001/008 ,  Y02B70/16

摘要： An electric power supply control device comprises AC/DC converter, DC/DC converters, and an output electrical voltage monitor unit of the AC/DC converter. When output electrical voltage of the AC/DC converter increases to the first preset value P1, the AC/DC converter stops the convert. When the output electrical voltage decreases to the second preset value P2, the AC/DC converter restarts the convert. The first preset value P1 is equal to or less than the lowest value, out of the upper limit values in electrical voltage ranges in which the DC/DC converters CV1 and CV2 can work. The second preset value P2 is more than or equal to the highest value, out of the lower limit values in electrical voltage ranges in which the DC/DC converters CV1 and CV2 can work.

摘要翻译： 电源控制装置包括AC / DC转换器，DC / DC转换器和AC / DC转换器的输出电压监视器单元。 当AC / DC转换器的输出电压升高到第一预设值P1时，AC / DC转换器停止转换。 当输出电压降至第二预设值P2时，AC / DC转换器重新启动转换。 在DC / DC转换器CV1和CV2可以工作的电压范围内，第一预置值P1等于或小于最低值。 在DC / DC转换器CV1和CV2可以工作的电压范围内，第二预设值P2大于或等于最大值。

公开(公告)号：US20180059571A1

公开(公告)日：2018-03-01

申请号：US15690089

申请日：2017-08-29

申请人： KONICA MINOLTA, INC.

发明人： Tatsuya EGUCHI ,  Isao WATANABE ,  Takeshi ISHIDA ,  Hiroaki TAKATSU ,  Taku KIMURA ,  Atomu NAKASHIMA

IPC分类号： B41J2/385

CPC分类号： H04N1/113 ,  G03G15/04072 ,  G03G2215/0404 ,  G06K15/1204

摘要： An image forming apparatus includes an acquiring unit configured to acquire atmosphere pressure in the installation place of the image forming apparatus, photoconductors, light sources configured to radiate laser light, and a polygon mirror configured to be rotatable. The polygon mirror exposes the photoconductors by reflecting the laser light toward the photoconductors while rotating. The image forming apparatus further includes a control device configured to control rotation of the polygon mirror. The control device outputs an enable signal for allowing the image forming apparatus to perform printing, if rotation of the polygon mirror is stabilized after start of the rotation, and advances the timing of outputting the enable signal as the atmosphere pressure increases.

公开(公告)号：US20170261892A1

公开(公告)日：2017-09-14

申请号：US15440741

申请日：2017-02-23

申请人： KONICA MINOLTA, INC.

发明人： Mikiyuki AOKI ,  Seiichi KIRIKUBO ,  Taku KIMURA ,  Akinori KIMATA ,  Takeshi TAMADA

IPC分类号： G03G15/20 ,  G03G15/00

CPC分类号： G03G15/205 ,  G03G15/2039 ,  G03G15/80

摘要： A power supply control device including a chopper circuit generating a heater current for a halogen heater, a current feedback circuit generating a current feedback signal indicating a current amount based on an amount of the heater current, and a constant current circuit performing pulse-width modulation of the heater current amount according to a difference between a target heater current amount and the current amount indicated by the current feedback signal. The current feedback circuit switches between methods at least including a first method and a second method for generating the current feedback signal. The current feedback signal indicates a greater current amount with the first method than with the second method, and the current feedback circuit uses the first method during a period with a predetermined time length starting from when the halogen heater is turned on, and uses the second method after elapse of the period.

公开(公告)号：US20160085199A1

公开(公告)日：2016-03-24

申请号：US14855219

申请日：2015-09-15

申请人： KONICA MINOLTA, INC.

发明人： Mikiyuki AOKI ,  Taku KIMURA ,  Yohei YAMADA ,  Morio KINOSHITA ,  Toru KASAMATSU ,  Kouei CHO

IPC分类号： H02J1/00 ,  G03G15/00

CPC分类号： G03G15/80 ,  G03G2215/0132 ,  H02M1/36 ,  H02M3/156 ,  H02M3/24 ,  H02M3/33523 ,  H02M2001/0032 ,  H02M2001/0035 ,  H02M2001/0054 ,  H02M2001/007 ,  H02M2001/008 ,  Y02B70/1491 ,  Y02B70/16

摘要： An electric power supply control device comprises a first converter, at least one second converter, and an electrical voltage control unit. The second converter can work in intermittent oscillation, and converts outputting electrical voltage from the first converter. The electrical voltage control unit controls the outputting electrical voltage of the first converter, so that the outputting electrical voltage is equal to or less than a minimum value of upper limits of operating electrical voltage of the second converter, and is more than or equal to a maximum value of lower limits of operating electrical voltage of the second converter, and at least one of the second converter performs low electric power behavior.

摘要翻译： 电源控制装置包括第一转换器，至少一个第二转换器和电压控制单元。 第二转换器可工作在间歇振荡中，并转换为从第一转换器输出电压。 电压控制单元控制第一转换器的输出电压，使得输出电压等于或小于第二转换器的工作电压的上限的最小值，并且大于或等于a 第二转换器的工作电压的下限的最大值，以及第二转换器中的至少一个执行低电力行为。

公开(公告)号：US20210364973A1

公开(公告)日：2021-11-25

申请号：US17313250

申请日：2021-05-06

申请人： Konica Minolta, Inc.

发明人： Taku KIMURA ,  Masahiro NONOYAMA ,  Junichi MASUDA ,  Masahiro KAMIYA ,  Katsuhide SAKAI

IPC分类号： G03G15/00

摘要： A recording medium conveyance device includes storage that stores a recording medium, a conveyer that takes out the recording medium stored in the storage and conveys the recording medium as a conveyed object, an ultrasonic sensor that outputs a value indicating an attenuation amount of an ultrasonic wave caused by the conveyed object and a hardware processor, wherein the hardware processor executes an overlay detection process of detecting whether the conveyed object is in an overlay state in which a gap is present based on a result of output by the ultrasonic sensor, and prevents execution of the overlay detection process with respect to a first conveyed object that is to be conveyed first by the conveyer.

公开(公告)号：US20190308420A1

公开(公告)日：2019-10-10

申请号：US16295081

申请日：2019-03-07

申请人： Konica Minolta, Inc.

发明人： Yutaka YAMAMOTO ,  Tatsuya EGUCHI ,  Shigetaka KATO ,  Taku KIMURA

IPC分类号： B41J2/47 ,  G02B26/12

摘要： An image forming apparatus including a polygon mirror that deflects a light beam, the image forming apparatus includes: an optical sensor arranged such that the light beam deflected by the polygon mirror enters the optical sensor; and a hardware processor that measures an output level of the optical sensor and calculates, as a remaining life of the polygon mirror, an operation time of the polygon mirror to when the output level becomes a threshold value in a case of assuming that the output level ongoingly changes at a rate of change over time that is a change amount of the output level per unit operation time of the polygon mirror, using the measured output level.

公开(公告)号：US20160337539A1

公开(公告)日：2016-11-17

申请号：US15135766

申请日：2016-04-22

申请人： KONICA MINOLTA, INC.

发明人： Junichi MASUDA ,  Mikiyuki AOKI ,  Masahiro NONOYAMA ,  Taku KIMURA

IPC分类号： H04N1/00 ,  H02J4/00

CPC分类号： H04N1/00888 ,  H02J5/00 ,  H02M3/156 ,  H02M3/33507 ,  H02M7/00 ,  H02M7/06 ,  H02M2001/0006 ,  H02M2001/007 ,  H04N1/00899 ,  H04N2201/0094

摘要： A power control device receiving supply of power from a power source, the power control device including: a power accumulator accumulating a part of power from the power source; a first voltage converter receiving power from the power source and the power accumulator, performing voltage conversion to a first target voltage, and supplying power with the first target voltage to a first load; a second voltage converter receiving power from the first voltage converter, performing voltage conversion to a second target voltage, and supplying power with the second target voltage to a second load; a power source monitor monitoring power from the power source; and a power controller lowering the first target voltage to a level that the second voltage converter is capable of converting to the second target voltage when the power source monitor detects that the supply of power from the power source has stopped.

摘要翻译： 一种从电源接收电力的电力控制装置，所述电力控制装置包括：积蓄器，其从所述电源蓄积一部分电力; 第一电压转换器，从所述电源和所述蓄电器接收电力，对第一目标电压进行电压转换，并将第一目标电压的功率提供给第一负载; 从第一电压转换器接收电力的第二电压转换器，对第二目标电压进行电压转换，并将第二目标电压的电力提供给第二负载; 监视来自电源的电源的电源监视器; 以及功率控制器，当电源监视器检测到来自电源的电力供应已经停止时，将第一目标电压降低到能够转换为第二目标电压的电平。