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    POWDER DETECTION DEVICE, IMAGE FORMING APPARATUS, POWDER DETECTION METHOD, AND NON-TRANSITORY RECORDING MEDIUM
    2.
    发明申请
    POWDER DETECTION DEVICE, IMAGE FORMING APPARATUS, POWDER DETECTION METHOD, AND NON-TRANSITORY RECORDING MEDIUM 审中-公开
    粉末检测装置，图像形成装置，粉末检测方法和非记录记录介质

    公开(公告)号：US20160349101A1

    公开(公告)日：2016-12-01

    申请号：US15158357

    申请日：2016-05-18

    申请人： Mitsufumi Yamamoto ,  Tetsuro Hirota ,  Kenji Kikuchi ,  Kazuho Satoh ,  Shingo Nishizaki ,  Ko Tokumaru

    发明人： Mitsufumi Yamamoto ,  Tetsuro Hirota ,  Kenji Kikuchi ,  Kazuho Satoh ,  Shingo Nishizaki ,  Ko Tokumaru

    IPC分类号： G01F25/00 ,  G03G15/08 ,  G01F23/28

    CPC分类号： G03G15/0856 ,  G01F23/2967 ,  G03G15/0858 ,  G03G15/086 ,  G03G2215/0132

    摘要： A powder detection device includes a detection mechanism including an oscillation unit and a vibrated member, a vibrating member, and a detection unit. The oscillation unit outputs a signal having a frequency according to a state of a magnetic flux passing a space facing the oscillation unit. The vibrated member affecting the magnetic flux and disposed inside a container to face the oscillation unit via the container is vibrated by the vibrating member in a direction of facing the oscillation unit. The detection unit acquires frequency information of the signal at predetermined periods, determines presence/absence of an error of the detection mechanism based on error information associating a type of the error with a state of the signal, detects vibration of the vibrated member based on a change in the frequency information, and detects a remaining amount of powder in the container based on the detected vibration.

    摘要翻译： 一种粉末检测装置，包括：振动单元和振动构件，振动构件和检测单元的检测机构。 振荡单元根据通过与振荡单元相对的空间的磁通的状态输出具有频率的信号。 影响磁通并且经由容器面对振荡单元的容器内的振动构件通过振动构件在面向振荡单元的方向上振动。 检测单元以预定周期获取信号的频率信息，基于将误差的类型与信号的状态相关联的误差信息来确定检测机构的错误的有无，基于信号检测振动构件的振动 改变频率信息，并且基于检测到的振动来检测容器中的粉末的剩余量。

    Fluid detection apparatus to detect a quantity of fluid using a vibration
    3.
    发明授权
    Fluid detection apparatus to detect a quantity of fluid using a vibration 有权

    公开(公告)号：US10031016B2

    公开(公告)日：2018-07-24

    申请号：US15254229

    申请日：2016-09-01

    申请人： Kazuho Satoh ,  Tomoki Shimohira ,  Tetsuhiko Mizuyama ,  Tetsuro Hirota

    发明人： Kazuho Satoh ,  Tomoki Shimohira ,  Tetsuhiko Mizuyama ,  Tetsuro Hirota

    IPC分类号： G01F23/296 ,  G03G15/10 ,  G03G15/08

    摘要： A fluid detection apparatus to detect quantity of a fluid having flowability and stored in a casing includes an oscillator disposed outside the casing to output a frequency of an oscillation signal corresponding to a magnetic flux passing through a space near the oscillator, a vibrator made of material effecting the magnetic flux and disposed inside the casing, a vibration trigger disposed inside the casing to vibrate the vibrator, and circuitry to acquire frequency-related information related to the frequency of the oscillation signal output from the oscillator, detect the vibration of the vibrator based on a change of the frequency-related information, determine whether the vibration of the vibrator converges during a convergence-checking time period defined after the vibrator is vibrated by the vibration trigger, and detect the quantity of the fluid in the casing based on a convergence determination result of the vibration of the vibrator.