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    • 102. 发明授权
    • Nonvolatile memory device and inspection method therefor
    • 非易失存储器件及其检测方法
    • US06249457B1
    • 2001-06-19
    • US09401272
    • 1999-09-23
    • Yuji Okamoto
    • Yuji Okamoto
    • G11C1606
    • G11C29/50G11C16/04
    • A nonvolatile memory device for which an endurance test can be performed in a short time without requiring an apparatus for exclusive use for generating a reference current. The nonvolatile memory includes a memory cell for holding binary data and outputting, upon reading therefrom, first current or second current which is lower than the first current in response to the binary data, a reference circuit for generating reference current lower than the first current but higher than the second current, a sense amplifier for comparing the output current of the memory cell with the reference current to reproduce binary data, and a reference switching circuit for selectively switching the reference current to be generated by the reference circuit to a normal current, a higher current which is higher than the normal current or a lower current which is lower than the normal current.
    • 一种非易失性存储器件,其可以在短时间内进行耐久性测试,而不需要专用于产生参考电流的装置。 非易失性存储器包括用于保存二进制数据的存储单元,并且响应于二进制数据从其读取低于第一电流的第一电流或第二电流,用于产生低于第一电流的参考电流的参考电路, 高于第二电流的读出放大器,用于将存储器单元的输出电流与参考电流进行比较以再现二进制数据的读出放大器,以及用于选择性地将由参考电路产生的参考电流切换到正常电流的参考开关电路, 比正常电流高的电流或低于正常电流的较低电流。
    • 104. 发明授权
    • Copying machine having a mechanism for feeding recording sheets in
synchronization with the image reading timing
    • 具有与图像读取定时同步的记录纸供给机构的复印机
    • US5797080A
    • 1998-08-18
    • US826233
    • 1997-03-27
    • Yuji Okamoto
    • Yuji Okamoto
    • B65H9/14B65H3/44G03G15/00G03G15/23G03G15/34B65H7/04
    • G03G15/6508G03G15/23G03G15/231G03G15/348G03G15/6564G03G15/235G03G2215/00447G03G2215/00481G03G2215/00518
    • A copying machine allowing high copying efficiency and reliability by feeding recording sheets from any of a plurality of recording sheet storage regions to an image transfer region at a constant timing. Recording sheets stored in a cassette are fed one by one to a conveyance path by a sheet feed roller. The recording sheets P retained in an intermediate tray are fed one by one to a conveyance path by a sheet feed roller. The timings at which the sheet feed rollers, which are first drive rollers, are driven are controlled in such a way that a register roller, which is a second drive roller, can be driven at a constant cycle time with respect to a plurality of recording sheets fed from the conveyance path. Even when the cassette and the tray are switched over, the register roller is driven always at a constant cycle time. Thus, the image forming operation can be executed by feeding recording sheets in synchronization with the image-reading timing.
    • 一种复印机,通过将记录纸从多个记录纸张存储区域中的任何一个记录纸张以一定的时间送到图像转印区域,从而具有高的复印效率和可靠性。 存储在盒中的记录纸通过供纸辊一个接一个地输送到输送路径。 保持在中间托盘中的记录片材P由片材进给辊一个接一个地输送到输送路径。 作为第一驱动辊的片材进给辊被驱动的定时被控制为使得作为第二驱动辊的对准辊可以相对于多个记录以恒定的循环时间被驱动 从输送路径进给的片材。 即使盒式磁带和托盘被切换,定位辊始终处于恒定的循环时间。 因此,可以通过与图像读取定时同步地馈送记录片材来执行图像形成操作。
    • 105. 发明授权
    • Torque limiter having automatic reset function
    • 扭矩限制器具有自动复位功能
    • US5672110A
    • 1997-09-30
    • US070332
    • 1993-05-28
    • Masahiro KuritaSyoji ItomiYuji Okamoto
    • Masahiro KuritaSyoji ItomiYuji Okamoto
    • F16D7/06F16D7/10F16D7/02
    • F16D7/10F16D7/06
    • A torque limiter adapted to be automatically reset after a long period of time. The inner ring (1) has a cylindrical surface (5). A polygonal engaging surface (9) is formed on the outer ring (2) by a leaf spring in the shape of a polygonal ring. A cage (11) having pockets is provided between the inner and outer rings (1, 2). Rollers (13) received in the pockets are adapted to engage the cylindrical surface (5) and the engaging surface (9) at the narrowest portions. The inner ring (1) has an eccentric surface (15) on which is supported a bearing (16) which holds the cage (11) in a diametrically offset position. An annular portion (20) of the cage (11) is brought into contact with an annular portion (19) of the outer ring (2). As the torque increases with the rollers (13) engaged, the leaf spring (8) is deformed and the rollers (13) pass through the engaging positions, so that the clutch is disengaged. The cage (11) is further rotated by the torque transmitted from the inner ring, kept in contact with the annular portion (19) of the outer ring. Creeping thus occurs and the cage and thus the rollers are moved slowly to the next engaging positions.
    • PCT No.PCT / JP92 / 01272 Sec。 371日期:1993年5月28日 102(e)日期1993年5月28日PCT提交1992年9月28日PCT公布。 公开号WO93 / 07401 日期:1993年04月15日适用于长时间自动复位的扭矩限制器。 内圈(1)具有圆柱形表面(5)。 多边形接合表面(9)通过多边形环形板簧形成在外圈(2)上。 具有凹口的保持架(11)设置在内圈和外圈(1,2)之间。 容纳在凹穴中的辊(13)适于在最窄部分处接合圆柱形表面(5)和接合表面(9)。 内环(1)具有偏心面(15),支承有将保持架(11)保持在径向偏移位置的轴承(16)。 保持架(11)的环形部分(20)与外圈(2)的环形部分(19)接触。 随着转矩随着滚子(13)接合而增加,板簧(8)变形,滚子(13)穿过接合位置,从而离合器脱离。 保持架(11)进一步由内圈传递的转矩保持转动,与内圈的环形部分(19)保持接触。 因此发生蠕变,并且保持架以及因此的辊缓慢移动到下一个接合位置。
    • 109. 发明授权
    • Copying machine with improved document and copy sheet handling
    • 复印机具有改进的文件和复印纸处理
    • US4980729A
    • 1990-12-25
    • US389863
    • 1989-08-04
    • Yuji Okamoto
    • Yuji Okamoto
    • G03B27/62G03G15/00G03G15/04G03G15/23
    • G03G15/04G03B27/6257G03G15/23
    • A copying machine which comprises a document tray for accommodating a plurality of sheet-like documents to be copied; a first reading station at which a first of the sides of the document is scanned; a second reading station at which the other or second of the sides of the documetn is scanned; a document handling mechanism including a document inverting device including a document transport passage for inverting the document to permit the other or second of the sides thereof to be presented to the second reading station after the first of the sides thereof has been presented to the first reading station; a photosensitive medium for copying an image of each of the documents, scanned at any one of the first and second reading stations, onto a copying sheet; an intermediate tray for the temporary storage of the copying sheet after the latter has been moved past a transfer station and from which the copying sheet is subsequently transported again to the transfer station; a sheet inverting device for turning the copying sheet upside down before it is delivered onto the intermediate tray; and a sheet delivery passage leading to the intermediate tray. The transport of the document in the document transport passage parallels the transport of the copying sheet in the sheet delivery passage.
    • 一种复印机,包括用于容纳要复印的多个片状文件的文件托盘; 读取文档的第一边的第一读取站; 第二读取站,扫描文件的另一侧或第二侧; 文件处理机构,包括文件翻转装置,文件翻转装置包括文件传送通道,用于翻转文件,以允许其另一侧或第二侧在其第一侧被呈现给第一读数后呈现给第二读取台 站; 用于将在第一和第二阅读站中的任何一个扫描的每个文档的图像复制到复印纸上的感光介质; 用于在复印纸经过传送站之后临时存放复印纸的中间纸盘,并且随后将复印纸再次传送到转印站; 一个纸张翻转装置,用于在将复印纸传送到中间托盘之前将其复印到底部; 以及通向中间托盘的片材输送通道。 文件传送通道中的文件的传送与复印纸在片材传送通道中的传送相一致。