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1. 发明授权

US08840108B2 Paper reading apparatus, jam detection method, and computer-readable, non-transitory medium 有权
标题翻译：纸张读取装置，卡纸检测方法和计算机可读的非暂时介质
公开(公告)号：US08840108B2
公开(公告)日：2014-09-23
申请号：US13962760
申请日：2013-08-08
申请人： PFU Limited
发明人： Shuichi Morikawa , Masanobu Hongo , Ryoichi Yasukawa , Takayuki Umi
IPC分类号： B65H7/12 , B65H5/00
CPC分类号： B65H5/00 , B65H3/063 , B65H3/0653 , B65H3/5284 , B65H5/062 , B65H7/06 , B65H7/125 , B65H2402/441 , B65H2402/46 , B65H2404/6111 , B65H2511/416 , B65H2511/524 , B65H2511/528 , B65H2513/511 , B65H2515/82 , B65H2557/23 , B65H2557/242 , B65H2557/31 , B65H2701/1311 , B65H2701/1313 , B65H2701/1914 , B65H2801/39 , B65H2220/01 , B65H2220/03
摘要： There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can determine whether a jam has occurred based on the sound which is generated by a paper during conveyance at a low cost. The paper conveying apparatus includes an ultrasonic detector, provided near a conveyance path of a paper, for detecting an ultrasonic wave which passes through paper and outputting an ultrasonic signal, a multifeed detector for determining whether multifeed of papers has occurred based on a component of a first frequency band in the ultrasonic signal, and a sound jam detector for determining whether a jam has occurred based on a component of a second frequency band lower than the first frequency band in the ultrasonic signal.
摘要翻译：提供纸传送装置，卡纸检测方法和计算机可读的非暂时介质，其可以基于在低成本的传送期间由纸张产生的声音来确定是否发生卡纸。纸张传送装置包括：超声波检测器，设置在纸张的传送路径附近，用于检测通过纸张的超声波并输出超声波信号;多页进纸检测器，用于基于图像的分量来确定是否发生了纸张多张进纸超声波信号中的第一频带以及超声波信号中基于低于第一频带的第二频带的分量来确定是否发生卡塞的声音卡阻检测器。

2. 外观设计

USD703264S1 Imprinter for scanner 有权
标题翻译：打印机扫描仪
公开(公告)号：USD703264S1
公开(公告)日：2014-04-22
申请号：US29444313
申请日：2013-01-29
申请人： PFU Limited
设计人： Motoshi Shibuya , Shuji Hashimoto , Ryoichi Yasukawa

3. 发明申请

US20210187977A1 MEDIUM CONVEYING APPARATUS FOR DRIVING BRAKE ROLLER AND CONVEYING ROLLER PAIR BY USING SINGLE MOTOR 有权
公开(公告)号：US20210187977A1
公开(公告)日：2021-06-24
申请号：US16926277
申请日：2020-07-10
申请人： PFU LIMITED
发明人： Ryoichi Yasukawa , Tomofumi Kumahashi
IPC分类号： B41J13/00
摘要： A medium conveying apparatus includes a driving force transmitting mechanism to transmit a driving force from a first motor to a brake roller and a pair of conveyance rollers located on the downstream side of the brake roller, and a processor to rotate the first motor forward to control so that a medium separated by the brake roller is conveyed by the pair of conveyance rollers, in a separation mode. The processor rotates the first motor backward to perform a feed operation by the brake roller and rotate the pair of conveyance rollers backward until a front edge of the medium passes through a position of the brake roller, and rotates the first motor forward to control so that the medium is conveyed by the pair of conveyance rollers after the front edge of the medium passes through the position of the brake roller, in a non-separation mode.

4. 发明授权

US09242815B2 Medium supply device 有权
标题翻译：中供应装置
公开(公告)号：US09242815B2
公开(公告)日：2016-01-26
申请号：US14086698
申请日：2013-11-21
申请人： PFU Limited
发明人： Hideyuki Okumura , Kiichiro Shimosaka , Ryoichi Yasukawa
IPC分类号： B65H3/52 , B65H3/06 , B65H3/56
CPC分类号： B65H3/063 , B65H3/0653 , B65H3/5284 , B65H3/56 , B65H2402/46 , B65H2404/52 , B65H2404/6942
摘要： A medium supply device includes a feeding unit that feeds a medium among one or more media placed on a placing table, a separating unit that is arranged to come into pressure-contact with the feeding unit, a blocking portion that is movable and blocks a space formed between the feeding unit and the separating unit in an upstream side of a nip region in a conveying direction of the medium, and a curve-forming portion that presses the medium against the feeding unit side to form a curve in a width direction of the medium.
摘要翻译：介质供给装置包括：供给单元，其将放置在放置台上的一个或多个介质中的介质进给;分离单元，其布置成与所述供给单元压力接触;阻挡部，其可移动并且阻挡空间形成在所述介质的输送方向上的夹持区域的上游侧的所述供给单元和所述分离单元之间;以及曲线形成部，其将所述介质压靠在所述供给单元侧，以形成在所述供给单元的宽度方向上的曲线中。

5. 发明授权

US08764010B2 Paper conveying apparatus, multifeed detection method, and computer-readable, non-transitory medium 有权
标题翻译：纸张传送装置，多页进纸检测方法和计算机可读的非暂时介质
公开(公告)号：US08764010B2
公开(公告)日：2014-07-01
申请号：US13960637
申请日：2013-08-06
申请人： PFU LIMITED
发明人： Shuichi Morikawa , Masanobu Hongo , Ryoichi Yasukawa , Takayuki Umi
IPC分类号： B65H7/12
CPC分类号： B65H7/125 , B65H3/063 , B65H3/0653 , B65H3/5284 , B65H5/062 , B65H7/06 , B65H2402/46 , B65H2404/6111 , B65H2511/416 , B65H2511/524 , B65H2511/528 , B65H2513/511 , B65H2515/82 , B65H2553/30 , B65H2553/82 , B65H2557/23 , B65H2557/242 , B65H2557/31 , B65H2701/1311 , B65H2701/1313 , B65H2701/1914 , B65H2801/39 , B65H2220/03 , B65H2220/01
摘要： There are provided a paper conveying apparatus, a multifeed detection method and a computer-readable, non-transitory medium which can suppress erroneous detection of the occurrence of a multifeed. The paper conveying apparatus includes an ultrasonic detector for outputting an ultrasonic signal, a multifeed detector for determining whether a multifeed of papers has occurred based on the ultrasonic signal, a sound signal generator for generating a sound signal, and a control module for performing an abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator does not output a predetermined sound signal, and determining that a multifeed has not occurred and not performing the abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator outputs the predetermined sound signal.
摘要翻译：提供了一种纸张传送装置，多页进纸检测方法和可以抑制错误检测多页进纸的发生的计算机可读的非暂时介质。纸张传送装置包括用于输出超声波信号的超声波检测器，用于基于超声波信号确定纸张是否已经发生的多页进纸检测器，用于产生声音信号的声音信号发生器，以及用于执行异常的控制模块当多张进纸检测器确定已经发生多页进纸并且声音信号发生器不输出预定声音信号时，并且当多张进纸检测器确定多页进纸已经发生时确定没有发生多页进纸并且不执行异常处理，声音信号发生器输出预定声音信号。

6. 发明申请

US20210171308A1 MEDIUM REVERSING AND DISCHARGING DEVICE 有权
公开(公告)号：US20210171308A1
公开(公告)日：2021-06-10
申请号：US17183150
申请日：2021-02-23
申请人： PFU Limited
发明人： Yoshito Hirai , Ryoichi Yasukawa
IPC分类号： B65H29/40 , B65H29/24
摘要： A medium reversing and discharging device includes a discharger that discharges a medium in a paper discharge direction from a discharge outlet, a holder that holds and reverses the medium, and a driver that moves the holder such that when a first plane along a portion of the medium in contact with the discharge outlet does not intersect with a second plane along a portion of the medium held by the holder on a downstream side in the paper discharge direction of the discharge outlet a moving speed at which the holder moves is lower than a discharge speed at which the medium is discharged from the discharge outlet.

7. 发明授权

US09139386B2 Document feeder 有权
标题翻译：送纸器
公开(公告)号：US09139386B2
公开(公告)日：2015-09-22
申请号：US14106333
申请日：2013-12-13
申请人： PFU Limited
发明人： Kiichiro Shimosaka , Ryoichi Yasukawa
IPC分类号： B65H3/66 , B65H3/06 , B65H5/06
CPC分类号： B65H3/063 , B65H3/0653 , B65H3/66 , B65H5/062 , B65H2402/46 , B65H2404/55 , B65H2404/5511 , B65H2404/5512 , B65H2404/611 , B65H2404/74 , B65H2511/13 , B65H2515/50 , B65H2601/125 , B65H2601/522 , B65H2601/524 , B65H2801/39
摘要： A document feeder includes a feed roller provided in a feed path for a document, a conveying roller provided on a downstream side of the feed roller in the feed path, and a protruding portion provided between the feed roller and the conveying roller in the feed path and protruding from a lower side of the feed path.
摘要翻译：文件馈送器包括设置在文件的馈送路径中的馈送辊，设置在馈送路径中的馈送辊的下游侧的输送辊以及设置在馈送路径和馈送路径之间的输送辊之间的突出部分并且从进给路径的下侧突出。

8. 发明授权

US08678372B2 Medium feeding device 有权
标题翻译：介质送料装置
公开(公告)号：US08678372B2
公开(公告)日：2014-03-25
申请号：US13763070
申请日：2013-02-08
申请人： PFU Limited
发明人： Ryoichi Yasukawa
IPC分类号： B65H5/00 , B65H3/52
CPC分类号： B65H7/12 , B65H3/5261 , B65H2403/724 , B65H2403/732 , B65H2511/524 , B65H2513/50 , B65H2515/32 , B65H2220/01 , B65H2220/02
摘要： A medium feeding device 1 includes a separating power generating device 7 which causes a brake roller 4 to generate a rotational load in a direction counter to a conveying direction. The device 7 includes a torque limiter 17 which generates a load of a predetermined upper limit torque T1, a torque limiter 18 which is arranged in series with the torque limiter 17 on a power transmission path to the brake roller 4 and generates a load of an upper limit torque T2 smaller than the torque T1, and an electromagnetic clutch 22 which switches between connection and disconnection between the power transmission path and a bypass route which bypasses the torque limiter 18. The device 7 can change the rotational load of the brake roller 4 to the torque T1 or the torque T2 by the switching of the electromagnetic clutch 22.
摘要翻译：介质供给装置1包括：分离发电装置7，其使制动辊4沿与输送方向相反的方向产生旋转负荷。装置7包括产生预定上限转矩T1的负载的转矩限制器17，与制动辊4的动力传递路径上与转矩限制器17串联布置的转矩限制器18，并产生负载上限转矩T2小于转矩T1，以及电动离合器22，其在动力传递路径和绕过转矩限制器18的旁路路径之间的连接和断开之间切换。装置7可以改变制动辊4的旋转负载通过电磁离合器22的切换转换为转矩T1或转矩T2。

9. 发明申请

US20140054851A1 PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM 有权
标题翻译：纸张输送装置，卡姆检测方法和计算机可读，非传输介质
公开(公告)号：US20140054851A1
公开(公告)日：2014-02-27
申请号：US13962760
申请日：2013-08-08
申请人： PFU LIMITED
发明人： Shuichi Morikawa , Masanobu Hongo , Ryoichi Yasukawa , Takayuki Umi
IPC分类号： B65H5/00
CPC分类号： B65H5/00 , B65H3/063 , B65H3/0653 , B65H3/5284 , B65H5/062 , B65H7/06 , B65H7/125 , B65H2402/441 , B65H2402/46 , B65H2404/6111 , B65H2511/416 , B65H2511/524 , B65H2511/528 , B65H2513/511 , B65H2515/82 , B65H2557/23 , B65H2557/242 , B65H2557/31 , B65H2701/1311 , B65H2701/1313 , B65H2701/1914 , B65H2801/39 , B65H2220/01 , B65H2220/03
摘要： There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can determine whether a jam has occurred based on the sound which is generated by a paper during conveyance at a low cost. The paper conveying apparatus includes an ultrasonic detector, provided near a conveyance path of a paper, for detecting an ultrasonic wave which passes through paper and outputting an ultrasonic signal, a multifeed detector for determining whether multifeed of papers has occurred based on a component of a first frequency band in the ultrasonic signal, and a sound jam detector for determining whether a jam has occurred based on a component of a second frequency band lower than the first frequency band in the ultrasonic signal.
摘要翻译：提供纸传送装置，卡纸检测方法和计算机可读的非暂时介质，其可以基于在低成本的传送期间由纸张产生的声音来确定是否发生卡纸。纸张传送装置包括：超声波检测器，设置在纸张的传送路径附近，用于检测通过纸张的超声波并输出超声波信号;多页进纸检测器，用于基于图像的分量来确定是否发生了纸张多张进纸超声波信号中的第一频带以及超声波信号中基于低于第一频带的第二频带的分量来确定是否发生卡塞的声音卡阻检测器。

10. 发明申请

US20140054849A1 PAPER CONVEYING APPARATUS, MULTIFEED DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM 有权
标题翻译：纸张输送装置，多重检测方法和计算机可读，非中间介质
公开(公告)号：US20140054849A1
公开(公告)日：2014-02-27
申请号：US13960637
申请日：2013-08-06
申请人： PFU LIMITED
发明人： Shuichi Morikawa , Masanobu Hongo , Ryoichi Yasukawa , Takayuki Umi
IPC分类号： B65H7/12
CPC分类号： B65H7/125 , B65H3/063 , B65H3/0653 , B65H3/5284 , B65H5/062 , B65H7/06 , B65H2402/46 , B65H2404/6111 , B65H2511/416 , B65H2511/524 , B65H2511/528 , B65H2513/511 , B65H2515/82 , B65H2553/30 , B65H2553/82 , B65H2557/23 , B65H2557/242 , B65H2557/31 , B65H2701/1311 , B65H2701/1313 , B65H2701/1914 , B65H2801/39 , B65H2220/03 , B65H2220/01
摘要： There are provided a paper conveying apparatus, a multifeed detection method and a computer-readable, non-transitory medium which can suppress erroneous detection of the occurrence of a multifeed. The paper conveying apparatus includes an ultrasonic detector for outputting an ultrasonic signal, a multifeed detector for determining whether a multifeed of papers has occurred based on the ultrasonic signal, a sound signal generator for generating a sound signal, and a control module for performing an abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator does not output a predetermined sound signal, and determining that a multifeed has not occurred and not performing the abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator outputs the predetermined sound signal.
摘要翻译：提供了一种纸张传送装置，多页进纸检测方法和可以抑制错误检测多页进纸的发生的计算机可读的非暂时介质。纸张传送装置包括用于输出超声波信号的超声波检测器，用于基于超声波信号确定纸张是否已经发生的多页进纸检测器，用于产生声音信号的声音信号发生器，以及用于执行异常的控制模块当多张进纸检测器确定已经发生多页进纸并且声音信号发生器不输出预定声音信号时，并且当多张进纸检测器确定多页进纸已经发生时确定没有发生多页进纸并且不执行异常处理，声音信号发生器输出预定声音信号。

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