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    • 45. 发明授权
    • Temperature compensated differential transformer and a measuring device
using the same
    • 温差补偿差动变压器及使用其的测量装置
    • US5789918A
    • 1998-08-04
    • US733136
    • 1996-10-16
    • Katsunori ImaiYuji Takahashi
    • Katsunori ImaiYuji Takahashi
    • G01B7/00B23Q17/20B24B49/14G01B7/12G01D3/036G01D5/20G01D5/22G01B5/08H01F21/06H01F27/28
    • G01D5/2046G01B7/12G01D3/036G01D5/2291
    • A differential transformer includes a primary coil for excitation and first and second secondary coils for detection which can be wound up on an outer surface of a bobbin made of a non-magnetic substance. In the bobbin, i.e., in a differential coil composed of the primary coil and the first and second secondary coils, a core is movably inserted in an axial direction thereof and is made of a magnetic substance. In the differential transformer, when AC current is applied on the primary coil, an induced voltage corresponding to a relative displacement between the core and the differential coil is generated, so that a size of a measured member can be measured by detecting the induced voltage. In the first and second secondary coils, a compound conducting wire is used, which includes two conducting wires which are different from each other in forms of a thermal coefficient of resistivity and are connected by a predetermined rate with regard to their length. Therefore, it is provided that the differential transformer can obtain a detection value corresponding to the relative displacement between the core and the differential coil regardless of a change of the ambient temperature.
    • 差动变压器包括用于激励的初级线圈和用于检测的第一和第二次级线圈,其可以卷绕在由非磁性物质制成的线轴的外表面上。 在线轴中,即由初级线圈和第一和第二次级线圈构成的差分线圈中,芯沿其轴向可动地插入并由磁性物质制成。 在差动变压器中,当在初级线圈上施加交流电流时,产生与芯和差动线圈之间的相对位移对应的感应电压,从而可以通过检测感应电压来测量测量部件的尺寸。 在第一和第二次级线圈中,使用复合导线,其包括以热电阻率系数的形式彼此不同的两根导线,并且相对于它们的长度以预定的速率连接。 因此,无论环境温度的变化如何,差分变压器都可以获得与芯和差动线圈之间的相对位移对应的检测值。
    • 48. 发明授权
    • Cordless phone system capable of scrambling communication signals
    • 无线电话系统能够加扰通信信号
    • US5568553A
    • 1996-10-22
    • US291153
    • 1994-08-16
    • Yuji TakahashiHideo Fukasawa
    • Yuji TakahashiHideo Fukasawa
    • H04K1/04H04W12/02H04L9/00
    • H04K1/04H04M1/68H04M1/725
    • A cordless phone system includes a first cordless phone and a second cordless phone which are coupled to each other by a network, the first cordless phone being formed of a first personal station and a first base station, the second cordless phone being formed of a second personal station and a second base station. The cordless phone includes a scrambler, provided in the first personal station, for scrambling communication signals in a predetermined scrambling manner, the communication signals scrambled by the scrambler being transmitted from the first personal station to the first base station in radio, a first relay circuit, provided in the first base station, for receiving the communication signals from the first personal station and for transmitting the communication signals, without descrambling, to the second base station via the network, a second relay circuit, provided in the second base station, for receiving the communication signals from the first base station and for transmitting the communication signals, without scrambling, to the second personal station in radio; and a descrambler, provided in the second personal station, for descrambling the communication signals transmitted from the second base station in radio in a predetermined descrambling manner corresponding to the scrambling manner in the first personal station, so that original communication signals are restored.
    • 无绳电话系统包括通过网络彼此耦合的第一无绳电话和第二无绳电话,第一无绳电话由第一个人站和第一基站形成,第二无绳电话由第二无绳电话 个人站和第二个基站。 无绳电话包括设置在第一个人站中的加扰器,用于以预定的加扰方式对通信信号进行加扰,由扰频器加扰的通信信号以无线方式从第一个人站发送到第一基站;第一中继电路 ,在所述第一基站中提供用于从所述第一个人站接收所述通信信号,并且用于经由所述网络向所述第二基站发送所述通信信号而不对所述第二基站发送所述通信信号,所述第二基站设置在所述第二基站中,用于 从所述第一基站接收所述通信信号,并且在无线电中将所述通信信号无扰频地发送到所述第二个人站; 以及设置在第二个人站中的解扰器,用于以与第一个人站中的加扰方式对应的预定解扰方式在无线电中对从第二基站发送的通信信号进行解扰,从而恢复原始通信信号。
    • 49. 发明授权
    • Cordless phone system capable of scrambling communication signals
    • 无线电话系统能够加扰通信信号
    • US5392354A
    • 1995-02-21
    • US968982
    • 1992-10-30
    • Yuji TakahashiHideo Fukasawa
    • Yuji TakahashiHideo Fukasawa
    • H04K1/04H04W12/02H04L9/00
    • H04K1/04H04M1/68H04M1/725
    • A cordless phone system includes a first cordless phone and a second cordless phone which are coupled to each other by a network, the first cordless phone being formed of a first personal station and a first base station, the second cordless phone being formed of a second personal station and a second base station. The cordless phone includes a scrambler, provided in the first personal station, for scrambling communication signals in a predetermined scrambling manner, the communication signals scrambled by the scrambler being transmitted from the first personal station to the first base station in radio, a first relay circuit, provided in the first base station, for receiving the communication signals from the first personal station and for transmitting the communication signals, without disscrambling, to the second base station via the network, a second relay circuit, provided in the second base station, for receiving the communication signals from the first base station and for transmitting the communication signals, without scrambling, to the second personal station in radio; and a disscrambler, provided in the second personal station, for disscrambling the communication signals transmitted from the second base station in radio in a predetermined disscrambling manner corresponding to the scrambling manner in the first personal station, so that original communication signals are restored.
    • 无绳电话系统包括通过网络彼此耦合的第一无绳电话和第二无绳电话,第一无绳电话由第一个人站和第一基站形成,第二无绳电话由第二无绳电话 个人站和第二个基站。 无绳电话包括设置在第一个人站中的加扰器,用于以预定的加扰方式对通信信号进行加扰,由扰频器加扰的通信信号以无线方式从第一个人站发送到第一基站;第一中继电路 ,在所述第一基站中提供用于从所述第一个人站接收所述通信信号,并且用于经由所述网络向所述第二基站发送所述通信信号而不对所述第二基站发送所述通信信号,所述第二基站设置在所述第二基站中,用于 从所述第一基站接收所述通信信号,并且在无线电中将所述通信信号无扰频地发送到所述第二个人站; 以及设置在第二个人站中的解扰器,用于以与第一个人站中的加扰方式相对应的预定解扰方式在无线电中对从第二基站发送的通信信号进行解扰,从而恢复原始通信信号。
    • 50. 发明授权
    • Air bag controlling apparatus
    • 气囊控制装置
    • US5382049A
    • 1995-01-17
    • US14999
    • 1993-02-08
    • Tetsushi HiramitsuToshinori TakahashiYuji Takahashi
    • Tetsushi HiramitsuToshinori TakahashiYuji Takahashi
    • B60R21/16B60R21/01G01P7/00B60R21/32
    • B60R21/01332B60R21/0132B60R21/0133G01P7/00
    • An air bag controlling apparatus for controlling inflation of an air bag for a motor vehicle and adapted to cooperate with (i) an inflator which provides said air bag with compressed gas when ignited by an igniter, and (ii) an acceleration sensor which generates an appropriate deceleration signal as a function of the vehicle's deceleration. The apparatus comprises a threshold value storage for storing a threshold value used in determining whether the inflator will be ignited and a calculator for calculating a displacement amount of the vehicle. A waveform evaluator evaluates the waveform of the deceleration signal to determine whether an initial period for which the deceleration has a positive value continues for a predetermined interval of time after a predetermined deceleration is detected. A threshold value corrector corrects the threshold value stored in the threshold value storage when the waveform evaluator determines that the initial period for which the deceleration has a positive value has continued for the predetermined interval of time. A discriminator determines whether the displacement amount calculated by the calculating means is greater than the corrected threshold value. Finally, a signal output generator outputs the ignition signal to the inflator so that the inflator is ignited and the air bag is inflated when the discriminator determines that the displacement amount calculated by the calculator is greater than the corrected threshold value.
    • 一种用于控制用于机动车辆的气囊的充气的气囊控制装置,并且适于与(i)在由点火器点燃时向所述气囊提供压缩气体的充气机,以及(ii)加速度传感器,其产生 作为车辆减速度的函数的适当减速信号。 该装置包括用于存储用于确定充气机是否将被点燃的阈值的阈值存储器和用于计算车辆的位移量的计算器。 波形评估器评估减速信号的波形,以确定在检测到预定的减速度之后,预定的时间间隔是否持续减速具有正值的初始周期。 当波形评估器确定减速度具有正值的初始周期在预定的时间间隔内持续时,阈值校正器校正存储在阈值存储器中的阈值。 鉴别器确定由计算装置计算的位移量是否大于校正的阈值。 最后,当鉴别器确定计算器计算出的位移量大于校正阈值时,信号输出发生器将点火信号输出到充气机,使得充气机被点燃并且气囊膨胀。