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    • 2. 发明申请
    • GAS CONCENTRATION DETECTION APPARATUS AND GAS CONCENTRATION DETECTION SYSTEM
    • 气体浓度检测装置和气体浓度检测系统
    • US20100050743A1
    • 2010-03-04
    • US12549108
    • 2009-08-27
    • Norikazu IEDAYoshinori InoueHiroyuki TsukadaMasahiro Tanaka
    • Norikazu IEDAYoshinori InoueHiroyuki TsukadaMasahiro Tanaka
    • G01N7/00G01R27/08
    • G01N27/407
    • A gas concentration detection apparatus and system including a gas sensor. Voltage Vd generated across detection resistor Rd through which pump current Ip flows is differentially amplified by OP1, and offset voltage Vofs is superposed thereon to obtain a detection voltage Vout. The amplification factor applied to the differential amplification of the voltage Vd is changed by turning switch SW3 on and off. When switch SW2 is turned on, the input terminal potentials of the operational amplifier OP1 are equalized, so that voltage Vofs is output as the detection voltage Vout. The detection voltage Vout contains an error attributable to the electronic components which form the circuit. The detection voltage Vout containing the error when SW2 is turned on is acquired as a correction voltage for each amplification factor, and is used for correction at the time of detection of the concentration so as to cancel the error.
    • 一种气体浓度检测装置和系统,包括气体传感器。 泵浦电流Ip流过的检测电阻Rd两端产生的电压Vd被OP1差分放大,并且偏置电压Vofs叠加在其上,以获得检测电压Vout。 施加到电压Vd的差分放大的放大系数通过打开和关闭开关SW3来改变。 当开关SW2导通时,运算放大器OP1的输入端电位相等,从而输出电压Vofs作为检测电压Vout。 检测电压Vout包含归属于形成电路的电子部件的误差。 获取包含SW2导通时的误差的检测电压Vout作为每个放大系数的校正电压,并且在检测浓度时用于校正以消除误差。
    • 4. 发明授权
    • Gas concentration detection apparatus and gas concentration detection system
    • 气体浓度检测仪和气体浓度检测系统
    • US08166800B2
    • 2012-05-01
    • US12549108
    • 2009-08-27
    • Norikazu IedaYoshinori InoueHiroyuki TsukadaMasahiro Tanaka
    • Norikazu IedaYoshinori InoueHiroyuki TsukadaMasahiro Tanaka
    • G01N7/00
    • G01N27/407
    • A gas concentration detection apparatus and system including a gas sensor. Voltage Vd generated across detection resistor Rd through which pump current Ip flows is differentially amplified by OP1, and offset voltage Vofs is superposed thereon to obtain a detection voltage Vout. The amplification factor applied to the differential amplification of the voltage Vd is changed by turning switch SW3 on and off. When switch SW2 is turned on, the input terminal potentials of the operational amplifier OP1 are equalized, so that voltage Vofs is output as the detection voltage Vout. The detection voltage Vout contains an error attributable to the electronic components which form the circuit. The detection voltage Vout containing the error when SW2 is turned on is acquired as a correction voltage for each amplification factor, and is used for correction at the time of detection of the concentration so as to cancel the error.
    • 一种气体浓度检测装置和系统,包括气体传感器。 泵浦电流Ip流过的检测电阻Rd两端产生的电压Vd被OP1差分放大,并且偏置电压Vofs叠加在其上,以获得检测电压Vout。 施加到电压Vd的差分放大的放大系数通过打开和关闭开关SW3来改变。 当开关SW2导通时,运算放大器OP1的输入端电位相等,从而输出电压Vofs作为检测电压Vout。 检测电压Vout包含归属于形成电路的电子部件的误差。 获取包含SW2导通时的误差的检测电压Vout作为每个放大系数的校正电压,并且在检测浓度时用于校正以消除误差。
    • 5. 发明授权
    • Vehicle lamp
    • 车灯
    • US5072348A
    • 1991-12-10
    • US696786
    • 1991-05-07
    • Hiroyuki Tsukada
    • Hiroyuki Tsukada
    • F21V17/00F21V19/00F21V29/15
    • F21S48/1118B60Q1/007B60Q1/0088F21S48/1109F21S48/32
    • In a vehicle lamp comprising a housing having a reflector formed integrally therewith, a bulb holder fitted in the rear opening of the housing, a lamp bulb detachably installed in the bulb holder, and a cap covering the rear opening of the housing and the connection of the lead wires of the lamp bulb, the provision of engaging parts for attachment of the cap on the bulb holder negates the need for engaging members on the housing. Thus, no undercut has to be formed in the housing, which facilitates the molding of the housing. Also, the heat radiator provided on the bulb holder reduces the difference in temperature between the lamp chamber and the outside of the vehicle lamp, thereby preventing condensation from taking place inside the vehicle lamp and also allowing the design of a more compact lamp chamber, and in turn, a smaller vehicle lamp volume.
    • 在一种包括具有与其一体形成的反射器的壳体的车辆灯中,安装在壳体的后开口中的灯泡保持器,可拆卸地安装在灯泡保持器中的灯泡和覆盖壳体的后开口的盖以及连接 灯泡的引线,提供用于将灯头附接到灯泡座上的接合部件不需要接合在壳体上的构件。 因此,不需要在壳体中形成底切,这有利于壳体的模制。 此外,设置在灯座上的散热器减少了灯室与车灯外部的温度差,从而防止车辆灯内发生冷凝,并且还允许设计更紧凑的灯室,以及 反过来,车灯的体积也就越小。
    • 7. 发明授权
    • Vehicle lamp device
    • 车灯装置
    • US5390088A
    • 1995-02-14
    • US167146
    • 1993-12-16
    • Hiroyuki Tsukada
    • Hiroyuki Tsukada
    • B60Q1/00F21V14/04F21V17/00F21M3/00
    • B60Q1/007F21S48/155F21S48/1757F21S48/1305
    • A vehicle lamp device includes a tiltable reflector mounted in a housing; a back opening formed in a back wall of the housing; a rubber cover for sealing a gap between the back wall and a back portion of the reflector; a cylindrical portion surrounding the back opening formed on the housing back wall; a cylindrical supporting wall formed on the back wall, the supporting wall being spaced outside the cylindrical portion surrounding the back opening and extends backward; an annular groove formed between the back-opening-surrounding portion and the supporting wall; a set ring member having a flat set face, for pressing the rubber cover to the housing back wall from behind; an inward-jutting projection formed on the supporting wall, for supporting the set ring member; a peripheral portion of the rubber cover provided with a horizontally-extending cylindrical portion to be inserted into the annular groove and a to-be-sandwiched potion perpendicular to the to-be-inserted portion of the rubber cover; and an inward-extending flange formed on the back-opening-surrounding portion of the housing back wall, for sandwiching the to-be-sandwiched portion of the rubber cover in cooperation with the flat set face of the set ring member. An annular space is formed between the inserted portion of the rubber cover and the supporting wall of the housing back wall. The to-be-sandwiched portion of the rubber cover is sandwiched only from directions of the thickness of the rubber cover.
    • 车载灯装置包括安装在壳体中的可倾斜反射器; 形成在所述壳体的后壁中的后开口; 用于密封后壁和反射器的后部之间的间隙的橡胶盖; 围绕形成在所述壳体后壁上的后开口的圆筒部; 形成在后壁上的圆柱形支撑壁,支撑壁在围绕后开口的圆柱形部分的外侧间隔开并向后延伸; 形成在所述后开口周围部和所述支撑壁之间的环状槽; 具有平坦设置面的固定环构件,用于将橡胶盖从后面按压到壳体后壁; 形成在所述支撑壁上的用于支撑所述固定环构件的向内突出的突起; 橡胶盖的周边部分设置有插入环形槽的水平延伸的圆柱形部分和垂直于橡胶盖的待插入部分的被夹持部分; 以及形成在所述壳体后壁的后开口周围部分上的向内延伸的凸缘,用于与所述固定环构件的平坦设置面配合地夹持所述橡胶盖的被夹持部分。 在橡胶盖的插入部分和壳体后壁的支撑壁之间形成环形空间。 橡胶盖的被夹持部分仅从橡胶盖的厚度的方向夹住。