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    • 3. 发明授权
    • 차량 제어 시스템
    • 车辆控制系统
    • KR100890487B1
    • 2009-03-26
    • KR1020070103788
    • 2007-10-16
    • 가부시키가이샤 덴소
    • 오까다노리아끼나이또오히로미찌마쯔모또무네노리오오쯔까미쯔기
    • B60R25/102
    • G08C19/32G07C9/00309G07C2209/61G08C2201/63
    • 스마트 휴대 장치(2)는 키리스 엔트리 시스템용의 키리스 무선 신호를 두 개의 주파수 채널(Ch1,Ch2)로 송신한다. 통합 튜너(4)에서는, 제어 IC(38)가 보다 양호한 통신 상태를 갖는 주파수 채널을 판정하고, PLL 회로(36)로부터 믹서(28)로 입력되는 신호의 주파수를, 상기 판정된 주파수 채널의 키리스 무선 신호를 중간 주파수 신호로 변환하기 위한 주파수로 제어한다. 이러한 구성은 상기 두 주파수 채널의 키리스 무선 신호를 수신하기 위한 회로를 공유할 수 있게 하고, 또한 보다 양호한 통신 상태를 갖는 주파수 채널의 키리스 무선 신호를 수신하여 통신을 확실하게 수행하도록 할 수 있다.
      키리스 엔트리 시스템, 스마트 엔트리 시스템, 스마트 휴대 장치, 채널 판정 수단
    • 智能便携式设备2将无钥匙进入系统的无钥匙无线电信号传输到两个频道Ch1和Ch2。 集成调谐器4通过控制IC 38确定具有较好通信状态的频道,并将从PLL电路36输入到混频器28的信号的频率设置为所确定的频道的频率 并将租用的无线电信号的频率控制为中频信号。 这种配置允许共享用于接收两个频道的无钥匙无线电信号的电路,并且还能够通过接收具有更好通信状态的频道的无钥匙无线电信号来可靠地执行通信 。
    • 6. 发明公开
    • 휴대용 장치와 통신 제어기 사이의 무선 통신을 제어하는시스템
    • 用于控制便携式设备和通信控制器之间无线通信的系统
    • KR1020080090995A
    • 2008-10-09
    • KR1020080030816
    • 2008-04-02
    • 카부시키가이샤 토카이리카덴끼 세이사쿠쇼
    • 카와무라,다이스케미즈노,요시유키하나키,히데노부이와시타,히로아키
    • H04Q9/02H04Q9/00
    • G07C9/00309B60R25/24G07C2009/00373G07C2009/00793G07C2209/61
    • A system for controlling the wireless communication between a portable device and a communication controller is provided to protect the high communication quality form being deteriorated by communication error by establishing the frequency changing communication method. A portable device(10) receives the first request signal from a communication controller, and performs wireless communication with the communication controller(20). A transmitter(22) transmits the first response signal having one frequency corresponding to the first request signal selected from plural frequencies, in response to the first request signal. A transmission control unit(21) controls the transmission frequency of the transmitter, and transmits the first response signal having one frequency among plural frequencies of the transmitter. The portable device receives the second request signal from the communication controller for receiving the first response signal. The transmission control unit re-transmits the first response signal having different frequency from the selected frequency among plural frequencies from the transmitter, in case of no receiving the second request signal at the portable device.
    • 提供一种用于控制便携式设备和通信控制器之间的无线通信的系统,以通过建立频率变化通信方法来保护由于通信错误而恶化的高通信质量形式。 便携式设备(10)从通信控制器接收第一请求信号,并与通信控制器(20)进行无线通信。 响应于第一请求信号,发射机(22)发送具有与从多个频率选择的第一请求信号相对应的一个频率的第一响应信号。 传输控制单元(21)控制发射机的发射频率,并且在发射机的多个频率之间发送具有一个频率的第一响应信号。 便携式设备从通信控制器接收第二请求信号以接收第一响应信号。 在便携式设备没有接收到第二请求信号的情况下,传输控制单元将来自发射机的多个频率中的选定频率的不同频率的第一响应信号重新发送。
    • 7. 发明公开
    • 차량 제어 시스템
    • 车辆控制系统
    • KR1020080034787A
    • 2008-04-22
    • KR1020070103788
    • 2007-10-16
    • 가부시키가이샤 덴소
    • 오까다노리아끼나이또오히로미찌마쯔모또무네노리오오쯔까미쯔기
    • B60R25/102
    • G08C19/32G07C9/00309G07C2209/61G08C2201/63
    • A vehicle control system is provided to allow a frequency conversion circuit, a receiving antenna and a demodulation circuit to be shared by a plurality of channels without individually assigning the frequency conversion circuit to each channel. A vehicle control system comprises a portable device(2) and receivers(4,5,6). The portable device transmits keyless radio signals for a keyless entry system through a plurality of channels having different frequencies. The receiver is mounted in a vehicle to receive the keyless radio signals. The receiver includes a receiving antenna(20), a channel determination device, frequency conversion circuits(28,36), a demodulation circuit(32) and a controller(38). The receiving antenna receives the keyless radio signals. The channel determination device determines an optimal channel. The frequency conversion circuits select a random keyless radio signal to convert the selected keyless radio signal into an intermediate frequency signal. The controller controls the frequency conversion circuits.
    • 提供车辆控制系统,以允许频率转换电路,接收天线和解调电路由多个通道共享,而无需将频率转换电路单独分配给每个通道。 车辆控制系统包括便携式设备(2)和接收器(4,5,6)。 便携式设备通过具有不同频率的多个信道发送无钥匙进入系统的无钥无线电信号。 接收器安装在车辆中以接收无钥匙无线电信号。 接收机包括接收天线(20),信道确定设备,频率转换电路(28,36),解调电路(32)和控制器(38)。 接收天线接收无钥匙无线电信号。 信道确定装置确定最佳信道。 频率转换电路选择随机无钥无线电信号,以将所选择的无钥匙无线电信号转换成中频信号。 控制器控制变频电路。
    • 8. 发明公开
    • 차량 제어 시스템
    • 车辆控制系统
    • KR1020080022517A
    • 2008-03-11
    • KR1020070089838
    • 2007-09-05
    • 가부시키가이샤 덴소
    • 오까다노리아끼가또오히로노리나이또오히로미찌마쯔모또무네노리스기우라마사히로오오쯔까미쯔기다구찌아끼히로
    • B60R25/102B60R16/023E05B49/00
    • H01Q1/3241B60R25/2072B60R25/24G07C9/00182G07C2209/61
    • A vehicle control system is provided to select one between a first radio signal and a second radio signal from a plurality of channels and to converting the selected signal into an intermediate frequency signal. A vehicle control system comprises a portable unit(2), a vehicle condition detector(3), and an in-vehicle receiver(4~6). The portable unit, which is carried by a user, transmits a first radio signal for a keyless entry system for remote-controlling equipment of the vehicle. The vehicle condition detector is mounted in the vehicle to transmit a second radio signal for a vehicle condition monitoring system. The in-vehicle receiver is mounted in the vehicle to receive the first radio signal and the second radio signal. The portable unit transmits the first radio signal through a plurality of channels different in frequency. The in-vehicle receiver includes a receiving antenna(20), a channel determining unit, a frequency conversion unit(28), and a demodulating unit(32), and a controlling unit(38). The receiving antenna is configured to receive the first radio signal and the second radio signal. The channel determining unit is configured to determine an optimal channel, which is in a most favorable state of communication, among the channels. The frequency conversion unit is configured to select either the first radio signal or the second radio signal in any of the channels from among signals received by the receiving antenna and convert the signal into an intermediate frequency signal of a specific frequency. The demodulating units for demodulating the intermediate frequency signal outputted from the frequency conversion circuit. The controlling unit is configured to cause the frequency conversion units to select the second radio signal when a demodulated signal of the second radio signal is to be acquired from the demodulating unit, and to cause the frequency conversion unit to select the first radio signal in the optimal channel determined by the channel determining unit when a demodulated signal of the first radio signal is to be acquired from the demodulating unit.
    • 提供车辆控制系统以从多个通道中选择第一无线电信号和第二无线电信号之间的一个,并将所选择的信号转换成中频信号。 车辆控制系统包括便携式单元(2),车辆状况检测器(3)和车载接收器(4〜6)。 由用户携带的便携式单元发送用于车辆的远程控制设备的无钥匙进入系统的第一无线电信号。 车辆状况检测器安装在车辆中,以传送用于车辆状况监测系统的第二无线电信号。 车载接收器安装在车辆中以接收第一无线电信号和第二无线电信号。 便携式单元通过频率不同的多个信道发送第一无线电信号。 车载接收机包括接收天线(20),信道确定单元,频率转换单元(28)和解调单元(32),以及控制单元(38)。 接收天线被配置为接收第一无线电信号和第二无线电信号。 信道确定单元被配置为在信道中确定处于最有利的通信状态的最佳信道。 频率转换单元被配置为从接收天线接收的信号中的任一个信道中选择第一无线电信号或第二无线电信号,并将该信号转换为特定频率的中频信号。 用于解调从频率转换电路输出的中频信号的解调单元。 控制单元被配置为当要从解调单元获取第二无线电信号的解调信号时,使频率转换单元选择第二无线电信号,并使频率转换单元选择第一无线电信号 当从解调单元获取第一无线电信号的解调信号时,由信道确定单元确定的最优信道。