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1. 发明授权

US10204613B2 Device and image forming apparatus 有权
公开(公告)号：US10204613B2
公开(公告)日：2019-02-12
申请号：US15666839
申请日：2017-08-02
申请人： Masahiro Ishida , Naoki Matsuda , Toshiyuki Uchida , Kazuhiro Kobayashi , Toshihiro Shimada
发明人： Masahiro Ishida , Naoki Matsuda , Toshiyuki Uchida , Kazuhiro Kobayashi , Toshihiro Shimada
IPC分类号： G10K11/172 , G03G21/00 , G03G21/16
摘要： A device includes a sound source, an electric board, an exterior member, an electric board container box, and a sound absorber. The sound source generates a sound at a time of operation. The electric board has a circuit mounting an electrical component. The exterior member surrounds the sound source and the electric board. The electric board container box houses the electric board. The sound absorber is at least partially disposed inside a virtual space corresponding to a thickness of the electric board container box in an interior space of the device.

2. 发明授权

US09767783B2 Device and image forming apparatus 有权
公开(公告)号：US09767783B2
公开(公告)日：2017-09-19
申请号：US15010758
申请日：2016-01-29
申请人： Masahiro Ishida , Naoki Matsuda , Toshiyuki Uchida , Kazuhiro Kobayashi , Toshihiro Shimada
发明人： Masahiro Ishida , Naoki Matsuda , Toshiyuki Uchida , Kazuhiro Kobayashi , Toshihiro Shimada
IPC分类号： G10K11/04 , G10K11/172 , G03G21/00 , G03G21/16
CPC分类号： G10K11/172 , G03G21/00 , G03G21/1619
摘要： A device includes a sound source, an electric board, an exterior member, an electric board container box, and a sound absorber. The sound source generates a sound at a time of operation. The electric board has a circuit mounting an electrical component. The exterior member surrounds the sound source and the electric board. The electric board container box houses the electric board. The sound absorber is at least partially disposed inside a virtual space corresponding to a thickness of the electric board container box in an interior space of the device.

3. 发明授权

US09389574B2 Sound absorbing device, electronic device, and image forming apparatus 有权
标题翻译：吸声装置，电子装置和图像形成装置
公开(公告)号：US09389574B2
公开(公告)日：2016-07-12
申请号：US14630789
申请日：2015-02-25
申请人： Kouta Hirakawa , Junichi Murano , Shoji Asanuma , Toshihiro Shimada , Tsuyoshi Endo , Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda
发明人： Kouta Hirakawa , Junichi Murano , Shoji Asanuma , Toshihiro Shimada , Tsuyoshi Endo , Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda
IPC分类号： G03G21/00 , G10K11/172
CPC分类号： G10K11/002 , G03G21/00 , G03G21/1619 , G03G21/20 , G10K11/172
摘要： A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.
摘要翻译：包括亥姆霍兹共振器的吸声装置还包括从连通部形成板和连通部形成板中的连通部形成板的外壁面突出的形状的凸部，以及形成空腔部的成型部，的亥姆霍兹共振器，并且围绕使空腔部分与外部连通的连通部分的开口。

4. 发明授权

US09298155B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09298155B2
公开(公告)日：2016-03-29
申请号：US14803168
申请日：2015-07-20
申请人： Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda , Kohta Takenaka , Toshihiro Shimada , Wataru Hojo
发明人： Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda , Kohta Takenaka , Toshihiro Shimada , Wataru Hojo
IPC分类号： G03G15/00 , G03G21/16 , G10K11/00
CPC分类号： G03G21/1619 , G03G21/1633 , G10K11/002 , G10K11/172
摘要： According to an aspect of the invention, an image forming apparatus includes an apparatus body, a sound absorbing device utilizing a Helmholtz resonator, and a hinged exterior cover operable to open and close relative to the apparatus body. The hinged exterior cover is a hinged cover configured to pivot about a pivot shaft arranged at a lower end portion of the hinged exterior cover. At least a part of the hinged exterior cover has a multiplex structure made by overlaying a plurality of plate-like members on one another. The sound absorbing device is formed by utilizing space between two plate-like members of the plurality of plate-like members making up the multiplex structure as a cavity of the Helmholtz resonator.
摘要翻译：根据本发明的一个方面，图像形成装置包括装置主体，利用亥姆霍兹共振器的吸声装置和可操作以相对于装置本体打开和关闭的铰接外盖。铰接的外盖是铰接盖，其构造成围绕布置在铰接的外盖的下端部的枢轴枢转。铰链外盖的至少一部分具有通过将多个板状构件彼此重叠而制成的多路复用结构。吸声装置通过利用构成多重结构的多个板状构件的两个板状构件之间的空间形成为亥姆霍兹共振器的空腔。

5. 发明授权

US09527321B2 Electronic device and image forming apparatus 有权
标题翻译：电子设备和图像形成装置
公开(公告)号：US09527321B2
公开(公告)日：2016-12-27
申请号：US14728045
申请日：2015-06-02
申请人： Junichi Kawase , Junichi Murano , Shoji Asanuma , Toshihiro Shimada , Kouta Hirakawa , Tsuyoshi Endo , Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda
发明人： Junichi Kawase , Junichi Murano , Shoji Asanuma , Toshihiro Shimada , Kouta Hirakawa , Tsuyoshi Endo , Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda
IPC分类号： B41J29/10
CPC分类号： B41J29/10
摘要： An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.
摘要翻译：电子设备包括：至少布置在多个方向上并屏蔽噪声的屏蔽物体; 以及亥姆霍兹消声器，其被布置在不存在屏蔽物体的方向上，所述屏蔽物体和所述消声器相对于噪声源被布置，所述噪声源引起设置在设备主体内部的驱动源等噪声，其中颈部亥姆霍兹消声器的一部分被引导到噪声源，提供多个这样的亥姆霍兹消声器以对应于至少两种频率，并且分别安装与至少两种频率对应的亥姆霍兹消音器的安装数量根据与噪声源的距离而不同。

6. 发明授权

US09547274B2 Image forming apparatus having a sound absorber 有权
标题翻译：具有吸声器的图像形成装置
公开(公告)号：US09547274B2
公开(公告)日：2017-01-17
申请号：US15045420
申请日：2016-02-17
申请人： Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda , Kohta Takenaka , Toshihiro Shimada , Wataru Hojo
发明人： Hiroki Ishimitsu , Masahiro Ishida , Naoki Matsuda , Kohta Takenaka , Toshihiro Shimada , Wataru Hojo
IPC分类号： G03G15/00 , G03G21/16 , G10K11/00 , G10K11/172
CPC分类号： G03G21/1619 , G03G21/1633 , G10K11/002 , G10K11/172
摘要： According to an aspect of the invention, an image forming apparatus includes an apparatus body, a sound absorbing device utilizing a Helmholtz resonator, and a hinged exterior cover operable to open and close relative to the apparatus body. The hinged exterior cover is a hinged cover configured to pivot about a pivot shaft arranged at a lower end portion of the hinged exterior cover. At least a part of the hinged exterior cover has a multiplex structure made by overlaying a plurality of plate-like members on one another. The sound absorbing device is formed by utilizing space between two plate-like members of the plurality of plate-like members making up the multiplex structure as a cavity of the Helmholtz resonator.
摘要翻译：根据本发明的一个方面，图像形成装置包括装置主体，利用亥姆霍兹共振器的吸声装置和可操作以相对于装置本体打开和关闭的铰接外盖。铰接的外盖是铰接盖，其构造成围绕布置在铰接的外盖的下端部的枢轴枢转。铰链外盖的至少一部分具有通过将多个板状构件彼此重叠而制成的多路复用结构。吸声装置通过利用构成多重结构的多个板状构件的两个板状构件之间的空间形成为亥姆霍兹共振器的空腔。

7. 发明授权

US09274503B2 Sound absorber and image forming apparatus incorporating same 有权
标题翻译：吸声器和结合其的图像形成装置
公开(公告)号：US09274503B2
公开(公告)日：2016-03-01
申请号：US14514559
申请日：2014-10-15
申请人： Masahiro Ishida , Toshihiro Shimada , Naoki Matsuda
发明人： Masahiro Ishida , Toshihiro Shimada , Naoki Matsuda
IPC分类号： G03G15/20 , G03G21/20
CPC分类号： G03G21/206 , G03G15/04
摘要： A sound absorber includes a duct member constituting a resonance pathway, the duct member including a pathway portion communicating ends of the duct member; a base member including a concave portion; and a cover member including a neck in which to insert the duct member. The cover member covers the concave portion of the base member, and the cover member combined with the base member forms a resonance space having a volume V. The resonance pathway has dimensions of a length LH and a cross-sectional area SH and communicates the resonance space and an exterior of the sound absorber. The sound absorber has a resonance frequency fH determined by fH=(c/2π)·(SH/V·LH)1/2 and absorbs sound having the resonance frequency fH, where c represents sound velocity.
摘要翻译：吸声器包括构成谐振路径的管道构件，所述管道构件包括连通管道构件的端部的通路部分; 基部构件，包括凹部; 以及包括颈部的盖构件，其中插入管道构件。盖构件覆盖基部构件的凹部，并且与基部构件组合的盖构件形成具有体积V的共振空间。谐振通路具有长度LH和横截面积SH的尺寸，并且将谐振空间和吸声器的外观。吸声器具有由fH =（c / 2＆pgr·）·（SH / V·LH）1/2确定的共振频率fH，并且吸收具有共振频率fH的声音，其中c表示声速。

8. 发明授权

US11495203B2 Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber 有权
公开(公告)号：US11495203B2
公开(公告)日：2022-11-08
申请号：US16701814
申请日：2019-12-03
申请人： Masahiro Ishida , Naoki Matsuda , Hiroshi Ishii , Kohta Takenaka , Keisuke Shimizu , Shogo Sakamoto , Takayuki Isaka
发明人： Masahiro Ishida , Naoki Matsuda , Hiroshi Ishii , Kohta Takenaka , Keisuke Shimizu , Shogo Sakamoto , Takayuki Isaka
IPC分类号： G10K11/172 , G03G21/16 , G03G21/00
摘要： A sound absorber includes at least one cavity and at least one mouth to communicate the at least one cavity with an outside of the sound absorber. The at least one cavity includes a top surface, a bottom surface, and a side wall. The top surface includes the mouth. The bottom surface opposes the top surface. The side wall is extended to connect the top surface with the bottom surface. At least one of the top surface and the bottom surface is inclined with respect to the side wall.

9. 发明授权

US10365603B2 Drive device and image forming apparatus incorporating the drive device 有权
公开(公告)号：US10365603B2
公开(公告)日：2019-07-30
申请号：US16002057
申请日：2018-06-07
申请人： Masahiro Ishida , Naoki Matsuda
发明人： Masahiro Ishida , Naoki Matsuda
IPC分类号： G03G15/00 , G03G21/16 , F16H57/028
摘要： A drive device, which is incorporated in an image forming apparatus, includes a drive motor and a plurality of gears driven by the drive motor. The plurality of gears include at least two gears disposed coaxially with each other and have a plurality of meshing portions. Each meshing portion is formed between a pair of gears of the plurality of gears. A difference between respective gear mesh frequencies of the plurality of meshing portions is set equal to or smaller than 100 Hz.

10. 发明授权

US10203646B2 Drive transmission unit and image forming apparatus incorporating same 有权
公开(公告)号：US10203646B2
公开(公告)日：2019-02-12
申请号：US15830530
申请日：2017-12-04
申请人： Masahiro Ishida , Naoki Matsuda
发明人： Masahiro Ishida , Naoki Matsuda
IPC分类号： G03G15/00 , G03G15/09 , G03G15/16 , G03G21/18 , F16H57/00 , F16H1/20
摘要： A drive transmission unit is described that includes a drive source, and a rotatable drive transmitting member to transmit a driving force from the drive source. The drive transmitting member includes a bottom part intersecting an axis of the drive transmitting member, a circular transmitting part extending from the bottom part in an axial direction of the drive transmitting member and including an internal toothed surface on an inner circumferential surface of the transmitting part to mesh with a first member, and a first projecting part and a second projecting part projecting in opposite directions from the bottom part along the axial direction of the drive transmitting member and having different diameters.

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