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    • 5. 发明授权
    • Printing system with mechanism for attachingly supporting recording
medium
    • 具有连接支持记录媒体的机构的打印系统
    • US5947614A
    • 1999-09-07
    • US164775
    • 1998-10-01
    • Yutaka ShojiShuichi MorioShigenori SuematsuHiroshi TakahagiMasahito Katada
    • Yutaka ShojiShuichi MorioShigenori SuematsuHiroshi TakahagiMasahito Katada
    • B41J3/28B41J13/22
    • B41J3/28
    • A printing system having a mechanism for fixing a large scale recording medium in a vertical orientation on an electrostatically adsorption plate provided on a base. The fixing mechanism includes a main holding unit provided on the base, a supplementary holding unit detachably fixed on the main holding unit, and a fixing unit for fixing the supplementary holding unit to the main fixing unit. The supplementary holding unit is first detached from the main fixing unit, and is placed on a tabletop. With this posture, a recording medium is fixed to the supplementary holding unit. Then, the supplementary holding unit holding the recording unit is fixed to the main holding unit. In the fixing operation, the fixing unit automatically changes a held fashion of the recording medium from by the supplementary holding unit to by the main holding unit.
    • 一种打印系统,具有用于将垂直取向的大型记录介质固定在设置在基座上的静电吸附板上的机构。 固定机构包括设置在基座上的主保持单元,可拆卸地固定在主保持单元上的辅助保持单元和用于将辅助保持单元固定到主定影单元的定影单元。 辅助保持单元首先从主固定单元拆下,并放置在桌面上。 利用这种姿势,将记录介质固定到辅助保持单元。 然后,保持记录单元的辅助保持单元固定到主保持单元。 在定影操作中,定影单元通过辅助保持单元自动地将记录介质的保持方式改变为主保持单元。
    • 8. 发明授权
    • Matrix driving circuit of an ink jet printer and a method of driving the
same
    • 喷墨打印机的矩阵驱动电路及其驱动方法
    • US6042210A
    • 2000-03-28
    • US695801
    • 1996-08-12
    • Shigenori SuematsuTakao MatsuokaMasahiro ShimohoriEiichi ToyamaToshio Fuji
    • Shigenori SuematsuTakao MatsuokaMasahiro ShimohoriEiichi ToyamaToshio Fuji
    • B41J2/045B41J29/38
    • B41J2/04541B41J2/04543B41J2/04581
    • An ink jet printer has a plurality of piezoelectric elements arranged in a matrix form in which each piezoelectric element is connected between one of TS lines and one of selection lines. The TS lines are connected, one by one and in a time sharing manner, to a voltage source E.sub.1 so as to be enabled. The remaining TS lines are connected to a voltage source E.sub.2 so as to be disabled. The selection lines are selectively connected to a voltage source E.sub.3 so as to be enabled. Non-selected selection lines are connected to a voltage source E.sub.4 so as to be disabled. A selected piezoelectric element connected between enabled TS line and enabled selection line is applied with a driving voltage. A non-selected piezoelectric element connected between enabled TS line and disabled selection line, or between disabled TS line and enabled selection line, or between disabled TS line and disabled selection line, is applied with a non-driving voltage. The voltages supplied from the respective voltage sources are selected so that the non-driving voltage is one third or minus one third of the driving voltage. With the thus determined non-driving voltage, no ink droplet is ejected from a nozzle corresponding to the non-selected piezoelectric element while ensuring a sufficient amount of ink to be ejected from a nozzle corresponding to the selected piezoelectric element.
    • 喷墨打印机具有以矩阵形式布置的多个压电元件,其中每个压电元件连接在TS线之一和选择线中的一个之间。 TS线一个接一个地以时间共享的方式连接到电压源E1,以使其能够被使能。 剩余的TS线连接到电压源E2以被禁用。 选择线选择性地连接到电压源E3以使能。 未选择的选择线连接到电压源E4以被禁用。 连接在使能的TS线路和使能选择线路之间的选择的压电元件被施加驱动电压。 连接在使能的TS线路和禁用的选择线路之间,或者在禁用的TS线路和使能的选择线路之间或者在禁用的TS线路和禁用的选择线路之间连接的未选择的压电元件被施加非驱动电压。 选择从各个电压源提供的电压,使得非驱动电压是驱动电压的三分之一或者三分之一。 利用如此确定的非驱动电压,在确保从对应于所选择的压电元件的喷嘴喷射足够量的墨水的同时,不会从与未选择的压电元件相对应的喷嘴喷射墨滴。
    • 10. 发明授权
    • Ink jet printer having bubble purge mechanism
    • 具有气泡清除机构的喷墨打印机
    • US5870126A
    • 1999-02-09
    • US586237
    • 1996-01-16
    • Norimasa KondoTakao MatsuokaShigenori SuematsuKazunobu Hayashi
    • Norimasa KondoTakao MatsuokaShigenori SuematsuKazunobu Hayashi
    • B41J2/175B41J2/18
    • B41J2/175B41J2/18
    • An ink jet printer having bubble purging arrangement for discharging bubbles mixed in the ink out of a print head. The print head has a main tank for storing ink, a sub tank for collecting and storing ink, and a manifold fluidly connecting the main tank and the sub tank. The manifold is in fluid communication with the nozzles for supplying ink from the main tank to the nozzles. Three kind of purging modes are provided in accordance with purging position of the print head. Pressurizing pump is selectively connected to the main tank or sub tank or both main tank and the sub tank through a valve arrangement. If the pump is fluidly connected to the main tank only, the ink in the main flows into the sub tank. If the pump is fluidly connected to the sub tank only, the ink in the sub tank flows back into the main tank. By alternating the fluid connection, bubbles mixed in the ink is gradually concentrated at an upper portion of the manifold. If the pump is fluidly connected to both the main tank and the sub tank, the concentrated bubbles is positively discharged outside through the nozzles.
    • 一种喷墨打印机,具有用于将混合在墨水中的气泡排出打印头的气泡吹扫装置。 打印头具有用于存储墨的主容器,用于收集和存储墨水的副墨盒以及与主墨盒和副墨盒流体连接的歧管。 歧管与用于从主罐供应墨水到喷嘴的喷嘴流体连通。 根据打印头的清洗位置提供三种清洗模式。 加压泵通过阀装置选择性地连接到主油箱或副油箱或主油箱和副油箱两者。 如果泵仅与主容器流体连接,则主体中的墨水流入副罐。 如果泵仅与副罐流体连接,则副罐中的墨水回流到主罐中。 通过交替流体连接,在油墨中混合的气泡逐渐集中在歧管的上部。 如果泵与主罐和副罐两者流体连接,则浓缩的气泡通过喷嘴被向外排出。