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公开(公告)号：US12120274B2
公开(公告)日：2024-10-15
申请号：US18226296
申请日：2023-07-26
Applicant: Konica Minolta, Inc.
Inventor： Akihiro Hayashi , Yuji Kobayashi , Hiroshi Eguchi , Takeshi Tamada
IPC: H04N1/00
CPC classification number: H04N1/00037 , H04N1/00015 , H04N1/00074 , H04N1/00602 , H04N1/00909
Abstract: An image forming apparatus includes: a drive source that drives an object; and a hardware processor that detects a fluctuation range of a load applied to the drive source by driving the object, and determines a state of the object on a basis of a detection result.
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公开(公告)号：US10474079B2
公开(公告)日：2019-11-12
申请号：US16243774
申请日：2019-01-09
Applicant: KONICA MINOLTA, INC.
Inventor： Akihiro Hayashi , Yuhei Tatsumoto , Koji Ohara , Makoto Shimazoe , Yasuhiro Koide
IPC: G03G15/00
Abstract: An image forming device includes: a conductive roller that abuts an image carrier to rotate; a power supply circuit that applies voltage to the roller; a controller that controls the power supply circuit so as to apply the voltage to the roller over a predetermined detection period in a state in which the image carrier and the roller are rotated; a detection value acquirer that acquires a detection value acquired by the application of the voltage indicating a state of the image carrier in the detection period; and a state detector that detects a state of the image carrier on the basis of a plurality of acquired detection values, wherein a length of the detection period is set to a length at which both the numbers of rotations of the image carrier and the roller from a start of the detection period are integers.
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公开(公告)号：US10234814B2
公开(公告)日：2019-03-19
申请号：US15890991
申请日：2018-02-07
Applicant: KONICA MINOLTA, INC.
Inventor： Makoto Shimazoe , Masayuki Watanabe , Yuhei Tatsumoto , Akihiro Hayashi
Abstract: A power supply apparatus includes: a first primary winding; a first AC voltage outputter connected to one side of the first primary winding so as to output a first AC voltage; a second AC voltage outputter connected to the other side of the first primary winding and capable of outputting a second AC voltage with an inverted phase of the first AC voltage; a first secondary winding that generates a third AC voltage by mutual induction of the first primary winding to which the first AC voltage and the second AC voltage are applied; a second primary winding having one side receiving an input of the second AC voltage and the other side connected to a fixed voltage; and a second secondary winding that generates a fourth AC voltage by mutual induction of the second primary winding to which the second AC voltage is applied.
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4.发明授权Image display and photographing system, photographing device, display device, image display and photographing method, and computer-readable storage medium for computer program 有权图像显示和拍摄系统，拍摄装置，显示装置，图像显示和拍摄方法以及用于计算机程序的计算机可读存储介质公开(公告)号：US09529422B2
公开(公告)日：2016-12-27
申请号：US14706418
申请日：2015-05-07
Applicant: KONICA MINOLTA, INC.
Inventor： Yuji Kobayashi , Harumitsu Fujimori , Akihiro Hayashi , Shiro Umeda , Kosuke Masumoto , Yasuhiro Ishihara , Hiroshi Yamaguchi , Isao Watanabe
CPC classification number: G06F3/01 , G06F3/017 , G06F3/0425 , G06F3/04842 , G06F3/0488 , H04N5/232 , H04N9/3179 , H04N9/3194
Abstract: An image display and photographing system includes a display device configured to display a target image on a surface; a photographing device configured to photograph the surface; a first detector configured to detect that an object moves away from a space between the surface and the photographing device; a second detector configured to detect that, after the first detector detects that the object moves away from the space, the surface is touched at a predetermined position; a third detector configured to detect that, after the second detector detects that the surface is touched at the predetermined position, the object moves away from the space; and a photographing control portion configured to control, after the third detector detects that the object moves away from the space, the photographing device to photograph the surface.
Abstract translation: 图像显示和拍摄系统包括被配置为在表面上显示目标图像的显示装置; 被配置为拍摄所述表面的拍摄装置; 第一检测器，被配置为检测物体远离所述表面和所述拍摄装置之间的空间; 第二检测器，被配置为检测在所述第一检测器检测到所述物体远离所述空间之后，所述表面在预定位置被触摸; 第三检测器，被配置为检测在所述第二检测器检测到所述表面在所述预定位置被触摸之后，所述物体远离所述空间; 以及拍摄控制部，被配置为在所述第三检测器检测到所述物体远离所述空间之后控制所述拍摄装置拍摄所述表面。
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公开(公告)号：US10263525B2
公开(公告)日：2019-04-16
申请号：US15903419
申请日：2018-02-23
Applicant: Konica Minolta Inc.
Inventor： Yuhei Tatsumoto , Masayuki Watanabe , Makoto Shimazoe , Akihiro Hayashi
Abstract: A power supply device includes: a power supply circuit that converts an AC voltage into a DC voltage; and a control circuit that controls the power supply circuit, wherein the power supply circuit includes: a rectifying and smoothing circuit that rectifies and smoothes the AC voltage; a first voltage converting circuit that converts the voltage and outputs a first DC voltage; a second voltage converting circuit that switches the first DC voltage by a switching circuit to output a second DC voltage; a feedback circuit that detects and feeds back an output voltage of the first voltage converting circuit; and a selection circuit that switches a reference voltage of the feedback circuit, and the control circuit sets the switching circuit to be in a continuous connection state when a normal mode is shifted to a power saving mode and gradually switches the reference voltage.
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Patent Agency Ranking
公开(公告)号：US20180275592A1
公开(公告)日：2018-09-27
申请号：US15890991
申请日：2018-02-07
Applicant: KONICA MINOLTA, INC.
Inventor： Makoto Shimazoe , Masayuki Watanabe , Yuhei Tatsumoto , Akihiro Hayashi
CPC classification number: G03G15/80 , H01F38/00 , H02M7/06 , H02M2001/009
Abstract: A power supply apparatus includes: a first primary winding; a first AC voltage outputter connected to one side of the first primary winding so as to output a first AC voltage; a second AC voltage outputter connected to the other side of the first primary winding and capable of outputting a second AC voltage with an inverted phase of the first AC voltage; a first secondary winding that generates a third AC voltage by mutual induction of the first primary winding to which the first AC voltage and the second AC voltage are applied; a second primary winding having one side receiving an input of the second AC voltage and the other side connected to a fixed voltage; and a second secondary winding that generates a fourth AC voltage by mutual induction of the second primary winding to which the second AC voltage is applied.
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公开(公告)号：US10007224B2
公开(公告)日：2018-06-26
申请号：US15297663
申请日：2016-10-19
Applicant: Konica Minolta, Inc.
Inventor： Masayuki Watanabe , Yuhei Tatsumoto , Akihiro Hayashi , Makoto Shimazoe
CPC classification number: G03G15/80 , G03G2215/0132 , H02M3/335 , H02M3/337 , H02M3/338 , H04N1/00888 , H04N1/00904
Abstract: A power supply device including: a transformer generating, from an input voltage, low output voltage and high output voltage; an upper limiter circuit receiving the high output voltage and controlling the high output voltage not to exceed a maximum; a power controller performing feedback control on the input voltage so that the low output voltage matches a target voltage; an operation mode acquirer configured to acquire an operation mode of an image forming device; and a target value controller configured to change the target voltage depending upon the acquired operation mode. The target voltage when consumption amount of current with the high output voltage is relatively great ensures that the high output voltage does not fall below a minimum of a rated voltage range of the high output voltage, and is higher than the target voltage when consumption amount of current with the high output voltage is relatively small.
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公开(公告)号：US11418672B2
公开(公告)日：2022-08-16
申请号：US16998408
申请日：2020-08-20
Applicant: Konica Minolta, Inc.
Inventor： Takahiro Tsujimoto , Takeshi Tamada , Tianhua Xu , Hiroaki Takatsu , Katsuyuki Ikuta , Akihiro Hayashi
IPC: H04N1/00
Abstract: An image forming apparatus, includes: a media sensor that detects a sheet type; a fixer that fixes the image on a sheet; a storage that stores a fixing temperature for each sheet type; and a hardware processor that controls power supplied to the fixer by pulse-width modulation (PWM) control and controls a temperature of the fixer to the fixing temperature corresponding to the sheet type detected by the media sensor.
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公开(公告)号：US20210371223A1
公开(公告)日：2021-12-02
申请号：US17333432
申请日：2021-05-28
Applicant: Konica Minolta, Inc.
Inventor： Katsuyuki Ikuta , Hiroaki Takatsu , Takeshi Tamada , Takahiro Tsujimoto , Akihiro Hayashi
Abstract: A recording medium conveyance device includes a storage, a conveyer that conveys 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. The hardware processor executes a type detection process of detecting a type of the conveyed object based on output of the ultrasonic sensor and storing the type in the storage and an overlay detection process of detecting whether the conveyed object is in an overlay state in which a gap is present based on output of the ultrasonic sensor, and switches to either one of the type detection process and the overlay detection process. The hardware processor executes the type detection process when the type is not stored in the storage and executes the overlay detection process when the type is stored in the storage.
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公开(公告)号：US12043513B2
公开(公告)日：2024-07-23
申请号：US17333432
申请日：2021-05-28
Applicant: Konica Minolta, Inc.
Inventor： Katsuyuki Ikuta , Hiroaki Takatsu , Takeshi Tamada , Takahiro Tsujimoto , Akihiro Hayashi
CPC classification number: B65H7/125 , H04N1/00702 , H04N1/00724 , H04N1/00729 , H04N1/00766 , H04N1/00779 , B65H2553/30
Abstract: A recording medium conveyance device includes a storage, a conveyer that conveys 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. The hardware processor executes a type detection process of detecting a type of the conveyed object based on output of the ultrasonic sensor and storing the type in the storage and an overlay detection process of detecting whether the conveyed object is in an overlay state in which a gap is present based on output of the ultrasonic sensor, and switches to either one of the type detection process and the overlay detection process. The hardware processor executes the type detection process when the type is not stored in the storage and executes the overlay detection process when the type is stored in the storage.
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