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    • 5. 发明授权
    • Data communication apparatus for maintaining data integrity during an
interruption request
    • 用于在中断请求期间保持数据完整性的数据通信装置
    • US5309507A
    • 1994-05-03
    • US774920
    • 1991-10-11
    • Ryuji HosakaNaoki SutoTomoo FukaoNaoharu KodoKazuyuki TsukamotoMinoru Yoshida
    • Ryuji HosakaNaoki SutoTomoo FukaoNaoharu KodoKazuyuki TsukamotoMinoru Yoshida
    • H04N1/32H04M11/00
    • H04N1/32379H04N1/32363H04N1/32619
    • In a data communication apparatus, when detecting a "catch phone" signal sent out from an exchange, a receiving station requests a transmitting station to resend data by use of protocol information. At the transmitting station, the data resending request is detected in a protocol information analyzing unit, and a predetermined unit of data which was transmitted immediately before the present time is resent. The receiving station has a page deleting unit to save the memory area used to store the data resent and avoid printing of unnecessary data. The page deleting unit enables deletion of data received when a "catch phone" call comes in and permits the resent data to be effectively stored in a memory. Also, in the apparatus, a "catch phone" detecting unit in a transmitting station detects that a circuit connection request comes in from a third station on the basis of a "catch phone" signal sent out from an exchange. A page-end detecting unit detects completion of transmission of a predetermined unit of data. A condition judging unit automatically decides whether to open the circuit or not on the occasion of resending data in accordance with the state of a "catch phone" detecting signal "a" and a page-end detecting signal "b". If the page end is detected in a short time after the detection of a "catch phone" signal, the circuit is not opened. If the "catch phone" signal has continued when the page end is detected, after the circuit is temporarily opened, resending of data is executed.
    • 在数据通信装置中,当检测到从交换机发出的“抓取电话”信号时,接收站通过使用协议信息请求发送站重新发送数据。 在发送站处,在协议信息分析单元中检测数据重发请求,并且在紧接在当前时刻之前发送的预定数据单元重新发送。 接收站具有页面删除单元,用于保存用于存储重新发送的数据的存储区域,并避免打印不必要的数据。 页面删除单元能够删除当“抓取电话”呼叫进入时接收的数据,并允许将重发数据有效地存储在存储器中。 此外,在该装置中,发送站中的“抓取电话”检测单元基于从交换机发出的“抓取电话”信号,检测到来自第三站的电路连接请求。 页末端检测单元检测预定数据单位的传输完成。 根据“抓取电话”检测信号“a”的状态和页末端检测信号“b”,条件判断单元根据重发数据自动判定是否打开电路。 如果在检测到“抓取电话”信号后的短时间内检测到页面结束,则电路不会被打开。 如果检测到页面结束时“抓取电话”信号继续,则在电路暂时打开后,执行重新发送数据。
    • 6. 发明授权
    • Sheet feeding apparatus having a separating member and speed detecting unit
    • 具有分离构件和速度检测单元的片材进给装置
    • US07832723B2
    • 2010-11-16
    • US12314641
    • 2008-12-15
    • Kazuyuki TsukamotoShin TakeuchiKatsumi Sakamaki
    • Kazuyuki TsukamotoShin TakeuchiKatsumi Sakamaki
    • B65H3/52
    • B65H3/5261B65H2511/222B65H2513/10B65H2515/32B65H2515/34B65H2220/01B65H2220/02
    • There is provided a sheet feeding apparatus including a first feeding member that feeds at least one of the sheets from a discharge tray; a second feeding member that feeds the sheet fed by the first feeding member; a separating member, wherein a nip portion is formed between the separating member and the second feeding member, and when two sheets are entered the nip portion, the separating member separates one of the entered sheets from the other; an adjusting unit that changes a force of the separating member; a detecting unit that detects at least one of a distance by which the other of the entered sheets is transported beyond the nip portion and an advancing speed of the other of the entered sheets at the nip portion; and a controller that controls the adjusting unit based on a detection value of the detecting unit.
    • 提供了一种片材进给装置,其包括从排出托盘供给至少一个片材的第一进给构件; 第二馈送部件,其馈送由所述第一馈送部件馈送的片材; 分离构件,其中在所述分离构件和所述第二进给构件之间形成夹持部,并且当两个片材进入所述夹持部时,所述分离构件将所述进入的片材中的一个与另一个分离; 改变分离构件的力的调节单元; 检测单元,其检测输入的另一个片材的距离超过夹持部分的距离和另一个输入的片材在夹持部分的前进速度中的至少一个; 以及控制器,其基于所述检测单元的检测值来控制所述调整单元。
    • 8. 发明授权
    • Image forming device and sheet transport device
    • 图像形成装置和片材输送装置
    • US07234695B2
    • 2007-06-26
    • US10682295
    • 2003-10-10
    • Kazuyuki TsukamotoShin TakeuchiKatsumi Sakamaki
    • Kazuyuki TsukamotoShin TakeuchiKatsumi Sakamaki
    • B65H3/52
    • B65H3/5261B65H3/06B65H7/06B65H2511/524B65H2513/10B65H2513/104B65H2515/34B65H2553/51B65H2220/03B65H2220/01B65H2220/11B65H2220/02
    • This sheet multifeed determination device is capable of accurately detecting a sheet multifeed state, and the sheet multifeed determination device includes: a separating member side sheet speed detecting part which detects a transport speed of a sheet surface on the separating member side of a sheet transported to a nip unit of a paper feed roll and a separating member pressure-contacting mutually; a multifeed sheet detecting part which detects presence of plural sheets in the course of being transported through the nip unit; and a multifeed state determination part which determines not to be in a multifeed state of sheets when the sheet speed detected by the separating member side sheet speed detecting part is V2≦0 and determines to be in the multifeed state of sheets in the case of V2>0 in a condition where the multifeed sheet detecting part detects multifed sheets.
    • 该纸张多页纸确定装置能够精确地检测纸张多页进给状态,并且纸张多页纸确定装置包括:分离部件侧纸张速度检测部,其检测运送到纸张的纸张的分离部件侧的纸张表面的输送速度 进给辊的辊隙单元和相互压力接触的分离构件; 多张纸张检测部,其检测在通过所述辊隙单元传送的过程中存在多张纸; 以及多张进给状态判定部,当由所述分离部件侧纸张速度检测部检测出的纸张速度为V 2 <= 0时,判定为不处于纸张的多页进给状态,并且判定为在所述纸张的多重进纸状态 在多张纸检测部件检测到多张纸张的条件下,V 2> 0。
    • 10. 发明申请
    • SHEET LENGTH MEASUREMENT APPARATUS AND IMAGE FORMING APPARATUS
    • 表长度测量装置和图像形成装置
    • US20110020020A1
    • 2011-01-27
    • US12706069
    • 2010-02-16
    • Minoru OHSHIMAKazuyuki TsukamotoTakao FuruyaYoshinari Iwaki
    • Minoru OHSHIMAKazuyuki TsukamotoTakao FuruyaYoshinari Iwaki
    • G03G15/00
    • G03G15/6555G03G2215/00734
    • A sheet length measurement apparatus including: a rotating member that comes in contact with a recording sheet conveyed on a conveying path, and rotates along with the conveyance of the recording sheet; a rotation amount detector that detects a rotational amount of the rotating member; a fixing support member that fixedly supports an rotating shaft of the rotating member at a fixed position; an opposed member that is disposed opposite to the rotating member so as to hold the recording sheet between the rotating member and the opposed member, the opposed member being disposed so that the rotating member rotates along with the conveyance of the recording sheet; and a support member that supports the opposed member in a movable state in a direction to separate from or come in contact with a surface of the recording sheet.
    • 一种纸张长度测量装置,包括:旋转构件,其与在输送路径上传送的记录纸张接触,并与记录纸张的传送一起旋转; 旋转量检测器,检测旋转构件的旋转量; 固定支撑构件,其在固定位置固定地支撑所述旋转构件的旋转轴; 与所述旋转部件相对配置以将所述记录纸张保持在所述旋转部件和所述相对部件之间的相对部件,所述相对部件配置成使得所述旋转部件与所述记录纸张的输送一起旋转; 以及支撑构件,其在与记录片材的表面分离或与记录片材的表面接触的方向上以可移动状态支撑相对构件。