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    • 1. 发明申请
    • KEYLESS ENTRY SYSTEM
    • 无钥匙进入系统
    • US20080247184A1
    • 2008-10-09
    • US12055625
    • 2008-03-26
    • Yoshiyuki MatsumotoHiroshi UematsuTakuya KushimotoYutaka Ishiyama
    • Yoshiyuki MatsumotoHiroshi UematsuTakuya KushimotoYutaka Ishiyama
    • B60Q1/00G08B29/00
    • B60R25/24B60R25/2009
    • A conventional keyless entry system uses a radio wave as an unlocking or locking signal and is therefore substantially non-directional. For example, when an unlocking operation is performed, keys of all doors are unlocked, so that for example in a vehicle having a certain slide door or a kick-up door, an occupant of the vehicle may forget to lock the door. According to the presently disclosed subject matter a keyless entry system for locking and unlocking lock(s) of a vehicle can include an infrared light projector having a narrow radiation angle, and a light receiving/emitting unit corresponding to operating conditions of keys/locks. The light receiving/emitting unit can include a combination of a light receiving element for receiving the infrared light and a light emitting element for indicating the position of a key/lock which is operated correspondingly to the infrared light received by the light receiving element. Thus, among other features, locking and unlocking of only a requested door by means of the narrow radiation angle can be accomplished.
    • 常规的无钥匙进入系统使用无线电波作为解锁或锁定信号,因此基本上是非定向的。 例如,当执行解锁操作时,所有门的钥匙被解锁,例如在具有特定滑动门或踢车门的车辆中,车辆的乘客可能忘记锁定门。 根据目前公开的主题,用于锁定和解锁车辆的锁的无钥匙进入系统可以包括具有窄辐射角的红外光投射器和对应于键/锁的操作条件的光接收/发射单元。 光接收/发射单元可以包括用于接收红外光的光接收元件和用于指示对应于由光接收元件接收的红外光操作的键/锁的位置的发光元件的组合。 因此,除了其它特征之外,可以实现仅通过窄辐射角度对所请求的门的锁定和解锁。