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    • 2. 发明申请
    • RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD
    • 无线电通信设备和无线电通信方法
    • US20120146771A1
    • 2012-06-14
    • US13305846
    • 2011-11-29
    • Takahiro Shimura
    • Takahiro Shimura
    • G06K7/01
    • G06K7/10297
    • According to one embodiment, a radio communication apparatus includes a transmitting and receiving section, a preamble detecting section, a data detecting section, and a response-time setting section. The transmitting and receiving section transmits an inquiry signal to a radio tag and receives a response signal returned from the radio tag. The preamble detecting section detects, within a period set with reference to transmission timing of the inquiry signal, a preamble included in the response signal returned by the radio tag that receives the inquiry signal. The data detecting section detects, when the preamble is detected, data included in the response signal. The response-time setting section sets, according to a parameter peculiar to the apparatus, a response time from the reception of the response signal from the radio tag until the transmission of the next inquiry signal to the radio tag by the transmitting and receiving section.
    • 根据一个实施例,无线电通信装置包括发送和接收部分,前导码检测部分,数据检测部分和响应时间设置部分。 发送和接收部分向无线电标签发送查询信号,并接收从无线标签返回的响应信号。 前导码检测部分在参考查询信号的发送定时设置的时段内检测包含在接收查询信号的无线电标签返回的响应信号中的前导码。 当检测到前置码时,数据检测部分检测包括在响应信号中的数据。 所述响应时间设定部根据所述装置特有的参数,设定从所述无线标签的所述响应信号的接收到所述发送接收部向所述无线标签发送下一查询信号的响应时间。
    • 3. 发明授权
    • RFID interrogator device
    • RFID询问器
    • US07978051B2
    • 2011-07-12
    • US11879971
    • 2007-07-19
    • Takahiro Shimura
    • Takahiro Shimura
    • H04Q5/22
    • G06K7/0008G06K7/10039
    • An RFID interrogator device has a transmission section for transmitting a command to an RFID tag and a reception section for receiving an RF signal from the RFID tag and is configured to perform backscatter radio communication with the RFID tag. The RFID interrogator device comprises a time window setting section configured to set a time window at timing of receiving preamble data added to a head of response data transmitted from the RFID tag in response to the command, and an identifying data storage section storing preamble identifying data. The RFID interrogator device compares the data received within the time window, with preamble identifying data stored in the identifying data storage section, thereby determining whether the data received is identical to the preamble data transmitted from the RFID tag.
    • RFID读写器装置具有用于向RFID标签发送命令的发送部分和用于从RFID标签接收RF信号的接收部分,并被配置为执行与RFID标签的反向散射无线电通信。 RFID询问器装置包括:时间窗口设定部,被配置为响应于该命令,在接收从RFID标签发送的响应数据的头部接收的前导码数据的定时设定时间窗口;识别数据存储部件,存储前导码识别数据 。 RFID询问器装置将在时间窗口内接收的数据与识别数据存储部分中存储的前导码识别数据进行比较,从而确定所接收的数据是否与从RFID标签发送的前导码数据相同。
    • 4. 发明申请
    • Inductive Rotation Angle Sensor and Motor-Driven Airflow Control Device Using the Same
    • 感应旋转角度传感器和电动机驱动的气流控制装置
    • US20080087858A1
    • 2008-04-17
    • US11869293
    • 2007-10-09
    • Hidefumi HatsuzawaTakahiro ShimuraMasahiko Soshino
    • Hidefumi HatsuzawaTakahiro ShimuraMasahiko Soshino
    • F02D9/08G01B7/30
    • G01D5/2073F02D9/105G01D5/208Y10T137/8242
    • A motor-driven airflow control device is provided wherein an inductance-based non-contact rotation angle sensor is compactly formed at an end of a throttle shaft. An exciting conductor is attached at an end of a rotating shaft to which a throttle valve is attached, a window hole is provided on a gear cover, a stationary substrate with energizing and signal-generating conductors formed thereon is attached to the gear cover so as to face the exciting conductor on the rotating shaft side through the window hole, and the window hole of the gear cover is covered by a thin shield member. The energizing and signal-generating conductors can be shielded from a space where the exciting conductor of the rotary member is arranged, making it possible to obtain a highly reliable motor-driven airflow control device including an inductance-based non-contact rotation angle sensor which is not affected by environments on the rotary member side.
    • 提供了一种马达驱动气流控制装置,其中在节流轴的端部紧密地形成基于电感的非接触旋转角度传感器。 励磁导体安装在安装有节流阀的旋转轴的端部,在齿轮盖上设置有窗孔,其上形成有通电的信号产生导体的固定基板安装在齿轮盖上,从而 通过窗孔面对旋转轴侧的激磁导体,齿轮盖的窗孔被薄的屏蔽部件覆盖。 励磁和信号发生导体可以与设置有旋转构件的激励导体的空间屏蔽,使得可以获得高可靠性的电动机气流控制装置,其包括基于电感的非接触旋转角度传感器 不受旋转构件侧的环境的影响。
    • 5. 发明申请
    • RFID interrogator device
    • RFID询问器
    • US20080024281A1
    • 2008-01-31
    • US11879971
    • 2007-07-19
    • Takahiro Shimura
    • Takahiro Shimura
    • H04Q5/22
    • G06K7/0008G06K7/10039
    • An RFID interrogator device has a transmission section for transmitting a command to an RFID tag and a reception section for receiving an RF signal from the RFID tag and is configured to perform backscatter radio communication with the RFID tag. The RFID interrogator device comprises a time window setting section configured to set a time window at timing of receiving preamble data added to a head of response data transmitted from the RFID tag in response to the command, and an identifying data storage section storing preamble identifying data. The RFID interrogator device compares the data received within the time window, with preamble identifying data stored in the identifying data storage section, thereby determining whether the data received is identical to the preamble data transmitted from the RFID tag.
    • RFID读写器装置具有用于向RFID标签发送命令的发送部分和用于从RFID标签接收RF信号的接收部分,并被配置为执行与RFID标签的反向散射无线电通信。 RFID询问器装置包括:时间窗口设定部,被配置为响应于该命令,在接收从RFID标签发送的响应数据的头部接收的前导码数据的定时设定时间窗口;识别数据存储部件,存储前导码识别数据 。 RFID询问器装置将在时间窗口内接收的数据与识别数据存储部分中存储的前导码识别数据进行比较,从而确定所接收的数据是否与从RFID标签发送的前导码数据相同。