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    • 5. 发明授权
    • Method and device for controlling entry into a secured location, especially into a motor vehicle
    • 用于控制进入安全位置,特别是进入机动车辆的方法和装置
    • US06954007B1
    • 2005-10-11
    • US10110825
    • 2000-09-22
    • Michael MeierStephan SchmitzAndreas TitzeDominique Nemetschek
    • Michael MeierStephan SchmitzAndreas TitzeDominique Nemetschek
    • E05B49/00G07C9/00H04Q7/38B60R25/00
    • G07C9/00309G07C2009/00341G07C2009/00555G07C2009/00777G07C2009/00793
    • A method is for controlling entry, e.g., into a motor vehicle, during which a key and a base station wirelessly exchange authentication data between one another in an active or a passive communication mode. At the beginning of the authentication process, the base station transmits a call signal to the key, and the key replies to the call signal with a reply signal. The base station verifies the received reply signal of the key in the communications mode in which the reply signal was received. If the reply signal of the key was received in the active communications mode, the base station transmits a first selection instruction to the key thus causing the key to perform the subsequent communication in the active communications mode. If the reply signal of the key was received in the passive communications mode, the base station transmits a second selection instruction to the key thus causing the electronic key to perform the subsequent communication in the passive communications mode.
    • 一种方法是用于控制输入,例如进入机动车辆,在此期间,钥匙和基站以有源或无源通信模式在彼此之间无线地交换认证数据。 在认证处理开始时,基站向密钥发送呼叫信号,密钥用回复信号对呼叫信号进行回复。 基站在接收到应答信号的通信模式中验证接收到的密钥的应答信号。 如果在主动通信模式下接收到密钥的应答信号,则基站向密钥发送第一选择指令,从而使得密钥在主动通信模式中执行后续通信。 如果在无源通信模式下接收到密钥的应答信号,则基站向密钥发送第二选择指令,从而使得电子密钥在被动通信模式下执行后续通信。
    • 8. 发明授权
    • Automobile tuner system
    • 汽车调谐器系统
    • US6373398B2
    • 2002-04-16
    • US8950498
    • 1998-06-03
    • TOSHIBA KK
    • MATSUMOTO YUTAKA
    • G07C9/00H03D5/00G08C19/00
    • H03D5/00G07C9/00182G07C2009/00341G07C2009/00793
    • In a receiver, either an FM/AM signal to be used for a keyless entry system or a high frequency signal to be used for an automobile audio system for FM broadcast is applied to a first converter. An IF limiter amplifier amplifies the output signal of the converter and subsequently limits the amplitude of the output signal to a predetermined level. An FM detector circuit FM-detects the output signal of the IF limiter amplifier. A stereophonic demodulation circuit demodulates the output signal of the detector circuit. A high frequency signal for AM broadcast is fed to an IF amplifier by way of a second converter. Either the output signal of the IF limiter amplifier or that of the IF amplifier is applied to an AM detector circuit. The keyless entry system is adapted to lock and unlock the door of the automobile on the basis of the FM keyless signal output from the FM detector circuit and the automobile audio system is adapted to operate for FM broadcast on the basis of the FM radio signal output from the stereophonic demodulation circuit.
    • 在接收机中,要将用于无钥匙进入系统的FM / AM信号或用于汽车音频系统用于FM广播的高频信号应用于第一转换器。 IF限幅放大器放大转换器的输出信号,并随后将输出信号的幅度限制在预定的水平。 FM检测电路FM-检测IF限幅放大器的输出信号。 立体声解调电路解调检测器电路的输出信号。 用于AM广播的高频信号通过第二转换器馈送到IF放大器。 IF限幅放大器的输出信号或IF放大器的输出信号都被施加到AM检测器电路。 无钥匙进入系统适用于根据从FM检测器电路输出的FM无钥匙信号来锁定和解锁汽车门,汽车音响系统适用于基于FM无线电信号输出进行FM广播 从立体声解调电路。