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System and a method for opening a vehicle by means of an opening code that is valid once and / or for a first period of time
System and a method for opening a vehicle by means of an opening code that is valid once and / or for a first period of time
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机译：用于通过一次和/或在第一时间段内有效的开启代码来开启车辆的系统和方法
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摘要
System for opening a vehicle by means of an opening code that is valid once and / or for a first period of time, the system comprising on the vehicle side: a first code generator that generates the opening code according to a specific generation rule, the first code generator being synchronized with a second code generator external to the vehicle which each generates a corresponding opening code, - a receiver for receiving a signal from a signal source external to the vehicle, which transmits a signal modulated with a code generated by the second code generator external to the vehicle, - a demodulator for demodulating a signal received by the receiver, - an evaluation device for checking whether the code transmitted in the signal fulfills an opening condition, an opening device for opening the vehicle when the opening condition is met, and means for determining a distance traveled and / or a geo-position, with additional h to open the vehicle, a single engine start and movement of the vehicle is permitted, with a maximum distance to be covered after the engine start and / or a maximum radius around the original geo-position before the opening of the vehicle within which the vehicle can be moved, is adjustably stored in the vehicle or is received in or in addition to the signal that transports the code; the system external to the vehicle comprising: one or more second code generators that generate opening codes for at least one vehicle, each of the opening codes being generated synchronized with a corresponding first code generator arranged in a vehicle, a database containing an association between the opening codes and keeps a corresponding vehicle up to date, one or more communication interfaces for receiving requests for opening codes for vehicles, and for sending corresponding opening codes if a request is permissible, and a module for checking requests for opening codes for permissibility.
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