Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Remote control system
Reexamination Certificate
2005-11-08
2005-11-08
Black, Thomas G. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Remote control system
C701S036000, C340S426130, C340S426170, C340S426360, C340S010100, C340S010330, C340S010340, C340S005600, C307S010500
Reexamination Certificate
active
06963794
ABSTRACT:
A system for automatic access or driving authorization for a motor vehicle includes a first device in the form of a control device having at least two states for engaging and disengaging vehicle door locks, an immobilizer, or the like. An associated second device is provided in the form of an electronic key, an ID transmitter, a chip card or the like. Both devices have means for transmitting or receiving signals, including a coded operating signal for authenticating the second device, so that a change in the state of the first device can be implemented when the second device is authorized. Before the second device is first activated, it is in a sleep state in which operation-independent function is not permitted and energy consumption is reduced. During a first operator-dependent authentication, the second device is changed over from the sleep state into a standby state in which an operation-independent function is at least partially made possible.
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Geber Michael
Hipp Uwe
Mattes Johannes
Mueller Karl
Pohlmann Andreas
Black Thomas G.
Broadhead Brian J.
Crowell & Moring LLP
Daimler-Chrysler AG
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