公开(公告)号：US06990300B2

公开(公告)日：2006-01-24

申请号：US10671690

申请日：2003-09-29

申请人： Makoto Saito ,  Takeshi Tomizawa ,  Jun Mochizuki

发明人： Makoto Saito ,  Takeshi Tomizawa ,  Jun Mochizuki

IPC分类号： G03G15/16

CPC分类号： G03G15/1635

摘要： An image forming apparatus includes an image forming device for forming a toner image on an image bearing member, a transfer member for transferring the toner image from the image bearing member onto a transfer material by being supplied with a bias voltage, a bias voltage application device for applying a normal bias voltage of a polarity opposite to that of toner or a reverse bias voltage opposite in polarity to the normal bias voltage, a controller for controlling the bias voltage application device, and integral current detector for detecting an integral of an amount of a current flowing from the bias voltage application device to the transfer member. The integral current detector is capable of detecting an integral current amount of the normal bias voltage at the time of applying the normal bias voltage and an integral current amount of the reverse bias voltage at the time of applying the reverse bias voltage. The controller controls the bias voltage application device so that an absolute value of the integral current amount of the reverse bias voltage is in the range of not less than 0.2% and less than 25% of an absolute value of the integral current amount of the normal bias voltage.

摘要翻译： 图像形成装置包括用于在图像承载部件上形成调色剂图像的图像形成装置，用于通过提供偏置电压将调色剂图像从图像承载部件转印到转印材料上的转印部件，偏置电压施加装置 为了施加与调色剂的极性相反的正常偏置电压或与正常偏置电压极性相反的反向偏置电压，用于控制偏置电压施加装置的控制器和用于检测偏置电压的积分的积分电流检测器 从偏置电压施加装置流向转印部件的电流。 积分电流检测器能够在施加正偏压时检测正常偏置电压的积分电流量，以及在施加反向偏置电压时检测反向偏置电压的积分电流量。 控制器控制偏置电压施加装置，使得反向偏置电压的积分电流量的绝对值在正常的积分电流的绝对值的绝对值的0.2％以上且小于25％的范围内 偏压。

公开(公告)号：US06904245B2

公开(公告)日：2005-06-07

申请号：US10665427

申请日：2003-09-22

申请人： Jun Mochizuki ,  Takeshi Tomizawa ,  Makoto Saito

发明人： Jun Mochizuki ,  Takeshi Tomizawa ,  Makoto Saito

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/06 ,  G03G15/16

CPC分类号： G03G15/1635 ,  G03G15/0131 ,  G03G15/5058 ,  G03G2215/00059

摘要： An image forming apparatus includes a charging portion for charging an image bearing member, an exposure portion for exposing the image bearing member that has been charged to form an electrostatic latent image, a developing portion for developing the electrostatic latent image with developer, a transferring portion to which a transferring bias under constant voltage control is applied to transfer a developer image on the image bearing member onto other member, a test pattern forming portion for forming a test pattern for image control on the image bearing member by supplying developer by the developing portion to an area on the image bearing member in which charging by the charging portion is effected and exposure by said exposure portion is not effected, and a test pattern detection portion for detecting the test pattern that has been transferred to the other member by the transferring portion, wherein the value of the transferring bias upon transferring of the test pattern onto the other member is set in accordance with the surface potential of the image bearing member upon formation of the test pattern.

摘要翻译： 图像形成装置包括用于对图像承载部件充电的充电部分，用于曝光已被充电以形成静电潜像的图像承载部件的曝光部分，用显影剂显影静电潜像的显影部分，转印部分 施加恒压控制下的转印偏压以将图像承载部件上的显影剂图像转印到其他部件上;测试图案形成部分，用于通过由显影部分供应显影剂来形成用于图像承载部件上的图像控制的测试图案 到达图像承载部件上的充电部分进行充电并且不受曝光部分曝光的区域，以及测试图案检测部分，用于检测由转印部分转移到另一个部件的测试图案 ，其中在将所述测试图案转印到所述转印偏压上时的所述转印偏压的值 在形成测试图案时，根据图像承载部件的表面电位来设定其他部件。

公开(公告)号：US06804481B2

公开(公告)日：2004-10-12

申请号：US10412246

申请日：2003-04-14

申请人： Jun Mochizuki ,  Takeshi Tomizawa

发明人： Jun Mochizuki ,  Takeshi Tomizawa

IPC分类号： G03G1516

CPC分类号： G03G15/5008 ,  G03G15/1675 ,  G03G2215/00772 ,  G03G2215/00776

摘要： An image forming apparatus includes image forming device for forming an image on a first image bearing member, a transfer member, capable of contacting the first image bearing member, for transferring the image on the first image bearing member to a second image bearing member, a power supply for applying a bias to the transfer member, detection device for detecting a voltage value and a current value at the time of applying the bias to the transfer member, speed change member capable of changing a moving speed of the first image bearing member, environment detection element for detecting a temperature or a humidity, and control device for determining a transfer voltage value at the time of image transfer on the basis of an output of the detection device at the time of applying the bias to the transfer member other than the time of image transfer. The image forming device is capable of forming an image at different speeds, and the control device determines a transfer voltage value, on the basis of an output of the detection device at a predetermined speed of the first image bearing member and an output of the environment detection element, at a speed other than the predetermined speed.

摘要翻译： 图像形成装置包括用于在第一图像承载部件上形成图像的图像形成装置，能够接触第一图像承载部件的转印部件，用于将第一图像承载部件上的图像转印到第二图像承载部件， 用于向转印部件施加偏压的电源，用于检测电压值的检测装置和向转印部件施加偏压时的电流值，能够改变第一图像承载部件的移动速度的变速部件， 用于检测温度或湿度的环境检测元件，以及用于在图像转印时基于检测装置的输出确定转印电压值的控制装置 图像传输时间。 图像形成装置能够以不同的速度形成图像，并且控制装置基于第一图像承载部件的预定速度的输出和环境的输出，基于检测装置的输出来确定转印电压值 检测元件，以除预定速度以外的速度。

公开(公告)号：US06477340B2

公开(公告)日：2002-11-05

申请号：US09826087

申请日：2001-04-05

申请人： Takeshi Tomizawa ,  Jun Mochizuki

发明人： Takeshi Tomizawa ,  Jun Mochizuki

IPC分类号： G03G1516

CPC分类号： G03G15/0194 ,  G03G2215/1661 ,  G03G2221/0005

摘要： An image forming apparatus includes a plurality of image bearing members, a plurality of image forming portions for forming images on the plurality of images of image bearing members, a plurality of primary transfer portions for transferring the images on the plurality of image bearing members onto an intermediate transfer member, secondary transfer portions for transferring the image on the intermediate transfer member onto a transfer material, and a controller. The controller controls the primary transfer portion to operate until an image area on the image bearing member on which an image is being formed at the point when an image formation stop instruction is issued passes a transfer region in the primary transfer portion opposing the image bearing member.

摘要翻译： 图像形成装置包括多个图像承载部件，用于在图像承载部件的多个图像上形成图像的多个图像形成部，用于将多个图像承载部件上的图像转印到图像承载部件上的多个一次转印部 中间转印部件，用于将中间转印部件上的图像转印到转印材料上的二次转印部分和控制器。 控制器控制一次传送部分的操作，直到在图像形成停止指令发出的点处形成图像的图像承载部件上的图像区域通过与图像承载部件相对的一次传送部分中的传送区域 。

公开(公告)号：US08958744B2

公开(公告)日：2015-02-17

申请号：US13223779

申请日：2011-09-01

申请人： Tomoya Tandai ,  Tomoko Adachi ,  Takeshi Tomizawa

发明人： Tomoya Tandai ,  Tomoko Adachi ,  Takeshi Tomizawa

IPC分类号： H04B5/00 ,  H04W76/02 ,  H04W72/02 ,  H04W72/08

CPC分类号： H04W76/02 ,  H04W72/02 ,  H04W72/082 ,  H04W76/10

摘要： According to one embodiment, there is provided a wireless communication apparatus for making wireless connection in the first connection attempt state wherein a connection request is attempted using a predetermined frequency channel or the second connection attempt state wherein a connection request is attempted using a plurality of frequency channels. A frame generation unit generates a connection request frame which includes the first field for requesting a search of the plurality of frequency channels in response to occurrence of interference, and the second field indicating whether a corresponding frequency channel is a channel wherein occurrence of interference has been detected. A transmission unit transmits the connection request frame using the predetermined frequency channel in the first connection attempt state, and transmits the connection request frame using the plurality of frequency channels in the second connection attempt state.

摘要翻译： 根据一个实施例，提供了一种无线通信装置，用于在第一连接尝试状态中进行无线连接，其中使用预定频率信道尝试连接请求或第二连接尝试状态，其中尝试使用多个频率的连接请求 频道 帧生成单元生成连接请求帧，该连接请求帧包括响应于干扰的发生而请求搜索多个频道的第一字段，以及指示对应的频道是否是干扰发生的频道的第二字段 检测到。 传输单元在第一连接尝试状态下使用预定频道发送连接请求帧，并且在第二连接尝试状态下使用多个频道发送连接请求帧。

公开(公告)号：US08724499B2

公开(公告)日：2014-05-13

申请号：US13411197

申请日：2012-03-02

申请人： Takeshi Tomizawa ,  Tomoya Tandai ,  Ryoko Matsuo

发明人： Takeshi Tomizawa ,  Tomoya Tandai ,  Ryoko Matsuo

IPC分类号： H04L1/00

CPC分类号： H04W36/06 ,  H04L1/0027 ,  H04L1/1883

摘要： According to one embodiment, a communication device includes a first wireless device configured to transmit a signal and a second wireless device configured to transmit a positive acknowledge when reception of the signal is successful. In the first wireless device, a first controller controls a first transmission module to change a first frequency channel based on a change order stored in a first storage when the positive acknowledge is not received even after the time measured by a first timer exceeds a first period. In the second wireless device, a second controller controls a second reception module to change the first frequency channel based on the change order stored in a second storage when the positive acknowledge is not transmitted even after the time measured by a second timer exceeds the first period.

摘要翻译： 根据一个实施例，通信设备包括被配置为发送信号的第一无线设备和配置成在接收到信号成功时发送肯定确认的第二无线设备。 在第一无线装置中，即使在由第一定时器测量的时间超过第一时段之后，即使在没有接收到肯定确认时，第一控制器控制第一传输模块基于存储在第一存储器中的改变顺序来改变第一频道 。 在第二无线设备中，第二控制器控制第二接收模块，即使在由第二定时器测量的时间超过第一周期之后，即使在肯定确认不被发送时，也可以基于存储在第二存储器中的改变顺序改变第一频道 。

公开(公告)号：US20130051318A1

公开(公告)日：2013-02-28

申请号：US13409642

申请日：2012-03-01

申请人： Ryoko MATSUO ,  Tomoko Adachi ,  Tomoya Tandai ,  Takeshi Tomizawa

发明人： Ryoko MATSUO ,  Tomoko Adachi ,  Tomoya Tandai ,  Takeshi Tomizawa

IPC分类号： H04W36/06

CPC分类号： H04B15/02 ,  H04L1/203

摘要： According to one embodiment, a wireless communication apparatus in a first wireless system is provided with first, second and third units, and a controller. The first unit transmits frames over a frequency channel using a short or long IFS as compared with a specific one used in a second wireless system with a communication range wider than the first wireless system. The second unit receives frames over the channel. The third unit determines an error characteristic in the received frames and/or a busy status of the channel. The controller controls at least either one of whether to change the frequency channel or not, and whether to change a duration of an interframe space or not.

摘要翻译： 根据一个实施例，第一无线系统中的无线通信设备设置有第一，第二和第三单元以及控制器。 与具有比第一无线系统更宽的通信范围的第二无线系统中使用的特定的IFS相比，第一单元使用短或长的IFS在频率信道上发送帧。 第二个单元通过通道接收帧。 第三单元确定接收到的帧中的错误特性和/或信道的繁忙状态。 控制器控制是否改变频道中的至少一个以及是否改变帧间间隔的持续时间。

公开(公告)号：US20120218938A1

公开(公告)日：2012-08-30

申请号：US13223618

申请日：2011-09-01

申请人： Takeshi Tomizawa ,  Tomoya Tandai ,  Tomoko Adachi

发明人： Takeshi Tomizawa ,  Tomoya Tandai ,  Tomoko Adachi

IPC分类号： H04W92/00

CPC分类号： H04W74/0833 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/166

摘要： According to one embodiment, a wireless communication apparatus includes a receiving unit, a transmitting unit and a control unit. The receiving unit is configured to receive a first connection request frame indicating a connection request from another apparatus. The transmitting unit is configured to transmit a connection acceptance frame indicating a response to the first connection request frame. The control unit is configured to control the transmitting unit to retransmit the connection acceptance frame until a first acknowledgement frame addressed to the apparatus as a response to the connection acceptance frame is received from the another apparatus, and control the transmitting unit to stop from transmitting the connection acceptance frame if a second acknowledgement frame addressed to the another apparatus as a destination is received or if a second connection request frame addressed to the another apparatus is received.

摘要翻译： 根据一个实施例，无线通信装置包括接收单元，发送单元和控制单元。 接收单元被配置为从另一设备接收指示连接请求的第一连接请求帧。 发送单元被配置为发送指示对第一连接请求帧的响应的连接接受帧。 所述控制单元被配置为控制所述发送单元重发所述连接接受帧，直到从所述另一装置接收到作为对所述连接接受帧的响应而寻址到所述装置的第一确认帧，并且控制所述发送单元停止发送所述连接接受帧 如果接收到作为目的地的另一设备寻址的第二确认帧或者是否接收到寻址到另一设备的第二连接请求帧，则连接接受帧。

公开(公告)号：US20120201177A1

公开(公告)日：2012-08-09

申请号：US13223688

申请日：2011-09-01

申请人： Tomoko Adachi ,  Takeshi Tomizawa ,  Tomoya Tandai

发明人： Tomoko Adachi ,  Takeshi Tomizawa ,  Tomoya Tandai

IPC分类号： H04W92/00

CPC分类号： H04L45/74 ,  H04B1/44 ,  H04L1/0083 ,  H04L1/1621 ,  H04W28/04 ,  H04W28/06 ,  H04W52/0216 ,  H04W88/02 ,  Y02D70/00 ,  Y02D70/142

摘要： According to one embodiment, a wireless communication terminal including a receiver, a first processor, a first storage, a second storage, a second processor, and a transmitter is provided. The receiver receives one physical packet that includes at least one frame body field, a first field including information on a length of the frame body field, a second field used to detect an error of the frame body field, and a sequence number field including a sequence number corresponding to the frame body field. The second storage retains a successively and successfully received maximum sequence number on the basis of a result of the first processor. The transmitter transmits a response frame indicating the successively and successfully received maximum sequence number when the first processor extracts at least one correct frame body.

摘要翻译： 根据一个实施例，提供了包括接收机，第一处理器，第一存储器，第二存储器，第二处理器和发送器的无线通信终端。 接收机接收包括至少一个帧体场的一个物理分组，包括关于帧体场长度的信息的第一场，用于检测帧体场的误差的第二场，以及包括 对应于框架体字段的序列号。 第二存储器基于第一处理器的结果保持连续且成功接收的最大序列号。 当第一处理器提取至少一个正确的帧体时，发射器发送指示连续且成功接收的最大序列号的响应帧。

公开(公告)号：US20120129471A1

公开(公告)日：2012-05-24

申请号：US13240399

申请日：2011-09-22

申请人： Koji AKITA ,  Tomoya Tandai ,  Takahiro Kobayashi ,  Takeshi Tomizawa

发明人： Koji AKITA ,  Tomoya Tandai ,  Takahiro Kobayashi ,  Takeshi Tomizawa

IPC分类号： H04B1/44

CPC分类号： H04B1/44

摘要： According to one embodiment, a wireless communication apparatus includes a wireless unit and a control unit. The wireless unit is configured to set, for each period, a transmit state including a first period for transmitting a connection request to establish connection or a receive state including a second period for receiving a connection request and to transmit or receive a signal, both lengths of the first period and the second period being equal. The control unit is configured to control the wireless unit to operate in one of a transmit mode, a receive mode and a transceive mode. The control unit causes the wireless unit to operate in the receive mode or the transceive mode before a trigger signal is externally input, and to operate in the transmit mode if the trigger signal is input.

摘要翻译： 根据一个实施例，无线通信装置包括无线单元和控制单元。 无线单元被配置为针对每个周期设置包括用于发送建立连接的连接请求的第一周期或包括用于接收连接请求的第二周期的接收状态并且发送或接收信号的发送状态，两个长度 第一期和第二期相同。 控制单元被配置为控制无线单元在发送模式，接收模式和收发模式之一中操作。 控制单元使得无线单元在触发信号被外部输入之前以接收模式或收发模式操作，并且如果输入了触发信号，则在发送模式下操作。