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    • 22. 发明授权
    • Air-fuel ratio sensor and apparatus using the same
    • 空燃比传感器及使用其的装置
    • US4661234A
    • 1987-04-28
    • US812907
    • 1985-12-23
    • Hideaki TakahashiHaruyoshi KondoTakashi TakeuchiKiyoharu Hayakawa
    • Hideaki TakahashiHaruyoshi KondoTakashi TakeuchiKiyoharu Hayakawa
    • G01N27/419G01N27/12G01N27/406G01N27/409G01N27/58
    • G01N27/4065
    • An air-fuel ratio sensor comprising a limiting electric current type oxygen sensor portion, having a sequential stacking on a porous substrate of a first electrode with high gas permeability, a solid electrolytic thin film having a specific crystal orientation, a thickness of 0.1 to 30 .mu.m, and good crystallinity. The limiting electric current type oxygen sensor portion and second electrode with a high gas permeability, is arranged and connected in parallel with a resistive type oxygen sensor portion having interdigital electrodes formed on one or both major surfaces of an oxide semiconductor thin film, the resistance of which changes in accordance with oxygen partial pressure. The air-fuel ratio sensor also has a sensor heater formed on one surface of the porous substrate around the sensor portions. The overall structure of the sensor is coated with a porous ceramic coating to which a catalyst is added.
    • 一种空燃比传感器,包括极限电流型氧传感器部分,其具有顺序堆叠在具有高透气性的第一电极的多孔基底上,具有特定结晶取向的固体电解薄膜,厚度为0.1至30 微米,结晶度好。 具有高透气性的极限电流型氧传感器部分和第二电极被布置和并联连接到具有形成在氧化物半导体薄膜的一个或两个主表面上的交叉指状电极的电阻型氧传感器部分, 其根据氧分压而变化。 空燃比传感器还具有形成在传感器部分周围的多孔基材的一个表面上的传感器加热器。 传感器的整体结构涂覆有添加有催化剂的多孔陶瓷涂层。
    • 24. 发明授权
    • Apparatus with polarographic sensor to detect concentrations of
plurality of gas components
    • 具有极谱法传感器以检测多个气体成分浓度的装置
    • US4576705A
    • 1986-03-18
    • US613969
    • 1984-05-24
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiTakashi TakeuchiKiyoharu Hayakawa
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiTakashi TakeuchiKiyoharu Hayakawa
    • G01N27/41G01N27/406G01N27/48G01N33/00
    • G01N27/4065
    • An apparatus for detecting concentrations of a plurality of gas components has a single polarographic sensor capable of detecting an oxygen concentration and a composite concentration of oxygen gas, carbon dioxide gas and steam. A first voltage is applied to the polarographic sensor which then measures only the oxygen concentration, or a second voltage is applied to the sensor which then measures only the composite concentration of oxygen gas, carbon dioxide gas and steam. The first and second voltages are applied to the sensor in a time division manner. Upon application of first and second voltages in such a time division manner, corresponding currents flowing through the sensor are detected to obtain signals corresponding to the oxygen concentration and the composite concentration of oxygen gas, carbon dioxide gas and steam. The signal corresponding to the oxygen concentration is subtracted by an operational amplifier from the signal corresponding to the composite concentration of oxygen gas, carbon dioxide gas and steam, thereby obtaining a signal representing a composite concentration of carbon dioxide gas and steam.
    • 用于检测多个气体组分的浓度的装置具有能够检测氧浓度和氧气,二氧化碳气体和蒸汽的复合浓度的单个极谱传感器。 将第一电压施加到极谱传感器,其然后仅测量氧浓度,或者将第二电压施加到传感器,然后传感器仅测量氧气,二氧化碳气体和蒸汽的复合浓度。 以时分方式将第一和第二电压施加到传感器。 以这种时分方式施加第一和第二电压时,检测流过传感器的对应电流,以获得对应于氧浓度和氧气,二氧化碳气体和蒸汽的复合浓度的信号。 对应于氧浓度的信号由运算放大器从对应于氧气,二氧化碳气体和蒸汽的复合浓度的信号中减去,从而获得表示二氧化碳气体和蒸汽的复合浓度的信号。
    • 26. 发明申请
    • Image recording apparatus and controlling method thereof
    • 图像记录装置及其控制方法
    • US20080129775A1
    • 2008-06-05
    • US11999442
    • 2007-12-04
    • Kiyoharu Hayakawa
    • Kiyoharu Hayakawa
    • B41J2/15
    • B41J2/1652
    • When receiving a command to record an image on a recording medium, controlling means causes recovering means to execute a recovery operation, and then recording means to execute image recording when an elapsed time from the execution of a previous recovery operation measured by clocking means exceeds a predetermined time and a coverage rate of a recording part calculated by coverage rate calculating means exceeds a predetermined value. The controlling means causes the recording means to execute image recording without causing the recovering means to execute the recovery operation when the coverage rate of the recording part calculated by the coverage rate calculating means is not more than the predetermined value.
    • 当接收到在记录介质上记录图像的命令时,控制装置使恢复装置执行恢复操作,然后记录装置,当从由执行时钟装置测量的先前恢复操作执行的经过时间超过 由覆盖率计算装置计算出的记录部分的预定时间和覆盖率超过预定值。 当由覆盖率计算装置计算的记录部分的覆盖率不大于预定值时,控制装置使得记录装置执行图像记录而不使恢复装置执行恢复操作。
    • 27. 发明申请
    • Apparatus and method for maintaining recording head
    • 用于保持记录头的装置和方法
    • US20060092213A1
    • 2006-05-04
    • US11258178
    • 2005-10-26
    • Tatsuya ShindoKiyoharu HayakawaKatsunori NishidaHikaru Kaga
    • Tatsuya ShindoKiyoharu HayakawaKatsunori NishidaHikaru Kaga
    • B41J2/165
    • B41J2/16505B41J2/17533B41J2/1754
    • An apparatus for maintaining a recording head which has a nozzle opening in a nozzle-defining surface thereof, and ejects, from the nozzle, a droplet of an ink toward a recording medium, in a state in which the recording head is separate from a remaining portion of a recording device, the apparatus including a cover member which is adapted to air-tightly contact the recording head to cover the nozzle-defining surface of the recording head such that a space is formed between the cover member and the nozzle-defining surface; and a selectively communicating device (50c, 80; 53, 53c, 94; 53c, 96; 50c, 62; 50c, 52; 50c, 71) which can selectively take (a) a first state thereof in which the selectively communicating device allows the space to communicate with an atmosphere so that substantially no difference is produced between an air pressure in the space and an atmospheric pressure, when the cover member is air-tightly contacted with the recording head, and (b) a second state thereof in which the selectively communicating device shuts off the communication between the space and the atmosphere, and thereby air-tightly closes the space, after the cover member is air-tightly contacted with the recording head.
    • 一种用于保持记录头的装置,该记录头在其喷嘴限定表面中具有喷嘴开口,并且在记录头与其余部分分离的状态下从喷嘴向记录介质喷射墨滴 记录装置的一部分,所述装置包括盖构件,其适于气密地接触记录头以覆盖记录头的喷嘴限定表面,使得在盖构件和喷嘴限定表面之间形成空间 ; 以及可以选择性地将(a)其第一状态选择性地取代(a)的第一状态的选择性连通装置(50c,80; 53,53c,94; 53c,96; 50c,62; 50c,52; 50c, 所述选择性连通装置允许所述空间与大气连通,使得当所述盖构件与所述记录头气密地接触时,所述空间中的空气压力和大气压之间基本上不会产生差异,以及(b) 第二状态,其中选择性连通装置关闭空间和大气之间的连通,从而在盖构件与记录头气密接触之后气密地封闭空间。
    • 28. 发明授权
    • Pump with inlet and outlet simultaneously exposed to pump chamber and
method of operating same
    • 泵与入口和出口同时暴露于泵室和操作方法
    • US5639220A
    • 1997-06-17
    • US516212
    • 1995-08-17
    • Kiyoharu Hayakawa
    • Kiyoharu Hayakawa
    • B41J2/18B41J2/185F04B7/04F04B9/00F04C2/063
    • F04C2/063F04B7/045
    • A pump unit includes a suction pump and a driving mechanism for driving the suction pump. The suction pump has a pump body provided with a suction port and a discharge port which are axially spaced, and a first piston and a second piston slidably fitted in the pump body to form a suction chamber therebetween. In operation, the driving mechanism moves the first piston away from the second piston to expand the suction chamber so that a negative pressure prevails in the suction chamber and ink is suctioned through the suction port into the suction chamber; moves both the pistons at the same moving speed until the suction chamber is expanded to a predetermined extent, the suction port is closed by the second piston and the first piston opens the discharge port; moves the first piston in the reverse direction until the same comes into contact with the second piston to discharge the ink suctioned into the suction chamber through the discharge port; and moves both the pistons in the reverse direction to return the pistons to their initial position. The pump housing may be of a cylindrical shape or an annular shape. A suction pump in a modification may be provided with a plurality of pairs of pistons forming a plurality of suction chambers each provided with a suction port and a discharge port.
    • 泵单元包括抽吸泵和用于驱动抽吸泵的驱动机构。 抽吸泵具有设置有轴向隔开的吸入口和排出口的泵体,以及可滑动地装配在泵体内的第一活塞和第二活塞,以在它们之间形成吸入室。 在操作中,驱动机构将第一活塞从第二活塞移开,使吸气室膨胀,从而在吸入室中产生负压,油墨通过吸入口吸入吸入室; 以相同的移动速度移动两个活塞直到吸入室膨胀到预定的程度,吸入口被第二活塞关闭,第一活塞打开排出口; 使第一活塞沿相反方向移动,直到第一活塞与第二活塞接触,以通过排出口排出吸入吸入室的油墨; 并且使活塞沿相反方向移动以将活塞返回到其初始位置。 泵壳体可以是圆柱形或环形形状。 变型中的抽吸泵可以设置有形成多个吸入室的多对活塞,每个吸入室设有吸入口和排出口。