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    • 1. 发明授权
    • Control circuit for a windshield wiper system
    • 挡风玻璃刮水器系统的控制电路
    • US5786676A
    • 1998-07-28
    • US757064
    • 1996-11-26
    • Tomoyuki OgawaIwao Tsurubuchi
    • Tomoyuki OgawaIwao Tsurubuchi
    • B60S1/08B60S1/48G05B5/00
    • B60S1/08B60S1/482Y10S318/02
    • In a control circuit for a vehicle windshield wiper system, a relay energization retaining circuit forms a self-sustaining circuit jointly with a relay drive transistor for driving a wiper relay, and maintains supply of electric current to the wiper motor when the ON signal for the relay drive transistor is terminated as long as the auto stop switch is at the brake position until the auto stop switch subsequently moves on to the drive position. Therefore, when the signal which normally turns on the relay drive transistor is terminated during the time the auto stop switch is at the brake position, because the relay energization retaining circuit keeps the wiper motor running until the auto stop switch changes over from the brake position to the drive position, and the auto stop switch then takes over the task of keeping the wiper motor running until the auto stop switch changes over from the drive position to the brake position, the termination of electric current to the wiper motor always occurs at the time when the auto stop switch changes over from the drive position to the brake position so that the distance or the angular range of the overrunning of the wiper motor is fixed without regard to the timing of terminating the ON signal. Thus, according to the present invention, the rest position of the wiper blade is fixed under all operating conditions.
    • 在用于车辆挡风玻璃刮水器系统的控制电路中,继电器通电保持电路与用于驱动刮水器继电器的继电器驱动晶体管联合地形成自持电路,并且当用于 只要自动停止开关处于制动位置,直到自动停止开关继续移动到驱动位置,继电器驱动晶体管就被终止。 因此,当自动停止开关处于制动位置时,通常接通继电器驱动晶体管的信号终止,因为继电器通电保持电路使刮水器电机运行直到自动停止开关从制动位置转过来 到驱动位置,然后自动停止开关接管保持雨刮器电机运行的任务,直到自动停止开关从驱动位置转换到制动位置,终止到刮水器马达的电流总是发生在 自动停止开关从驱动位置切换到制动位置的时间,使得刮水器马达超越的距离或角度范围是固定的,而不考虑终止ON信号的定时。 因此,根据本发明,雨刮片的静止位置在所有操作条件下都是固定的。
    • 2. 发明授权
    • Composite antenna device
    • 复合天线装置
    • US08421694B2
    • 2013-04-16
    • US12871437
    • 2010-08-30
    • Naoki IsoHaruyuki WatanabeMorihiko IkegayaTomoyuki Ogawa
    • Naoki IsoHaruyuki WatanabeMorihiko IkegayaTomoyuki Ogawa
    • H01Q21/00
    • H01Q21/28
    • There is provided a composite antenna device for responding to waves in a plurality of radio frequency bands, including: a sheet of conductor plate; a first antenna provided on the sheet of conductor plate for responding to a linearly-polarized wave in at least one radio frequency band; and a second antenna provided on the sheet of conductor plate for responding to a circularly-polarized wave in a radio frequency band that is different from the at least one radio frequency band, wherein the first antenna has a ground portion, the second antenna is formed in an area in the ground portion, and each of the first antenna and the second antenna has a feeding point.
    • 提供了一种用于响应多个无线电频带中的波的复合天线装置,包括:导体板片; 设置在所述导体板片上的用于响应于至少一个射频带中的线偏振波的第一天线; 以及第二天线,其设置在所述导体板片上,用于对与所述至少一个射频区别的射频区域中的圆偏振波进行响应,其中,所述第一天线具有接地部,所述第二天线形成 在接地部分的区域中,第一天线和第二天线中的每一个具有馈电点。
    • 5. 发明授权
    • Process for producing glycolide and glycolic acid oligomer for production of glycolide
    • 用于生产乙交酯的乙交酯和乙醇酸低聚物的生产方法
    • US07812181B2
    • 2010-10-12
    • US11808854
    • 2007-06-13
    • Tomoyuki OgawaMasaru Kagoshima
    • Tomoyuki OgawaMasaru Kagoshima
    • C07D319/12C08F301/00
    • C07D319/12
    • Glycolide production through depolymerization of glycolic acid oligomer is stabilized by controlling impurities in the glycolic acid oligomer to allow economical and effective production of glycolide. More specifically, the depolymerization system is controlled to suppress an effective concentration (x+100y wt. %) of depolymerization-obstructing substances calculated as a total of a concentration calculated as diglycolic acid (of x wt. %) of hydroxyl group-free impurity carboxylic acids (A) and 100 times a concentration calculated as ammonia (of y wt. %) of nitrogen-containing substances (B), respectively with respect to the starting glycolic acid oligomer in the depolymerization system, to at most 15 wt. %.
    • 通过控制乙醇酸低聚物中的杂质来稳定乙醇酸低聚物解聚的乙交酯生产,从而经济有效地生产乙交酯。 更具体地说,解聚系统被控制以抑制作为无羟基杂质的二甘醇酸(x重量%)计算的浓度的总计计算的解聚阻塞物质的有效浓度(x + 100重量%) 羧酸(A)和相对于解聚体系中的起始乙醇酸低聚物分别计算为含氨物质(B)的氨(y重量%)的浓度的100倍至最多15重量% %。
    • 10. 发明授权
    • Piezoelectric ceramic composition, buzzer and actuator using the same
    • 压电陶瓷组合物,蜂鸣器和使用其的执行器
    • US06280650B1
    • 2001-08-28
    • US09544850
    • 2000-04-06
    • Tomoyuki OgawaKatsuhiro Horikawa
    • Tomoyuki OgawaKatsuhiro Horikawa
    • C04B35499
    • H01L41/187C04B35/491
    • A piezoelectric buzzer formed by using a piezoelectric ceramic having both a higher heat resistance and a higher piezoelectric characteristics than those of a conventional product. The piezoelectric buzzer 10 of the present invention has a metal plate 12. Formed on the metal plate 12 is a piezoelectric ceramic 14. Further, formed on the piezoelectric ceramic 14 is an electrode 16. The piezoelectric composition forming the piezoelectric ceramic is a piezoelectric ceramic composition characterized in that about 0.2 to 2 mol % of the Pb atoms of a lead zirconate titanate (PZT) represented by the composition formula PbA[(TixZr1-x)a(SnyCr1-y)bSbc]O3 has been displaced by La, wherein 0.94≦A≦1.02, 0.46≦x≦0.51, 0.01≦y≦0.5, 0.01≦b≦0.03, 0.01≦c≦0.04,a+b+c=1.
    • 一种压电蜂鸣器,其通过使用具有比常规产品更高的耐热性和更高的压电特性的压电陶瓷形成。 本发明的压电蜂鸣器10具有金属板12.在金属板12上形成压电陶瓷14.此外,形成在压电陶瓷14上的是电极16.形成压电陶瓷的压电组合物是压电陶瓷 其特征在于组成式PbA [(TixZr1-x)a(SnyCr1-y)bSbc] O3表示的锆钛酸铅(PZT)的Pb原子的约0.2〜2摩尔%已被La置换,其中 0.94 <= A <= 1.02,0.46 <= x <= 0.51,0.01 <= y <= 0.5,0.01 <= b <= 0.03,0.01 <= c = 0.04,a + b + c = 1。