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    • 7. 发明授权
    • Batteryless tire inflation pressure detecting apparatus with improved power-saving configuration
    • 无极轮胎充气压力检测装置具有改进的省电配置
    • US07656282B2
    • 2010-02-02
    • US11798622
    • 2007-05-15
    • Takashi SaitouAkira TakaokaNobuya WatabeHideki SaitoTomohiro Kuno
    • Takashi SaitouAkira TakaokaNobuya WatabeHideki SaitoTomohiro Kuno
    • B60C23/00B60C23/02B60Q1/00
    • B60C23/0408B60C23/0413
    • A tire inflation pressure detecting apparatus includes a second transceiver provided on the body of a vehicle which changes its operation alternately between a second transmitter and a second receiver mode, thereby intermittently transmitting a radio wave. A first transceiver provided on a wheel of the vehicle operates in a first receiver mode to receive the radio wave, thereby charging a charging unit. When the charging unit has been sufficiently charged, the first transceiver changes operation thereof from the first receiver mode to a first transmitter mode, in which the first transceiver first repeatedly transmits an informing signal at predetermined time intervals for a predetermined time period and then transmits a pressure signal. When the informing signal is received by the second transceiver in the second receiver mode, the second transceiver keeps its operation in the second receiver mode until the pressure signal is completely received.
    • 轮胎充气压力检测装置包括设置在车辆车体上的第二收发器,其在第二发射机和第二接收机模式之间交替地改变其操作,从而间歇地发送无线电波。 设置在车辆的车轮上的第一收发器以第一接收器模式操作以接收无线电波,从而对充电单元充电。 当充电单元充分充电时,第一收发器将其从第一接收器模式的操作改变为第一发送器模式,其中第一收发器首先在预定时间段以预定时间间隔重复发送通知信号,然后发送 压力信号。 当第二收发器在第二接收机模式下接收到通知信号时,第二收发器将其操作保持在第二接收机模式,直到压力信号被完全接收。
    • 9. 发明授权
    • Vehicle tire air pressure detection system and method
    • 车辆轮胎气压检测系统及方法
    • US07234345B2
    • 2007-06-26
    • US11336813
    • 2006-01-23
    • Nobuya WatabeHideki Saito
    • Nobuya WatabeHideki Saito
    • B60C23/02
    • B60C23/0408B60C23/0413
    • In a vehicle tire air pressure detection system, a charging electromagnetic wave is transmitted for a predetermined period from a vehicle chassis side and stored as a charge voltage in a transmitter unit attached to a tire wheel. When the charge voltage reaches a predetermined level, a sensor in the transmitter unit detects a tire air pressure and a transmitter/receiver of the transmitter unit transmits a detection data on an electromagnetic wave in the same frequency band as the charging electromagnetic wave after the predetermined period from a time point at which the charge voltage has reached the predetermined level. Thus, interference between the charging electromagnetic wave and the electromagnetic wave of the detection data is prevented.
    • 在车辆用轮胎气压检测系统中,充电电磁波从车辆底盘侧传送规定期间,作为充电电压存储在安装于轮胎车轮的发送单元中。 当充电电压达到预定水平时,发射机单元中的传感器检测轮胎空气压力,并且发射机单元的发射机/接收机在预定的充电电压之后的充电电磁波的相同频带的电磁波上发送检测数据 从充电电压达到预定电平的时间点开始。 因此,防止了充电电磁波与检测数据的电磁波之间的干扰。