Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1993-09-24
1996-12-10
Greening, Wendy R.
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
34082532, 307 102, B60R 2500
Patent
active
055834795
ABSTRACT:
A method is described for operation of a motor vehicle alarm system having a central control unit connected to several control units of the motor vehicle. All non-safety-relevant control units of the vehicle are bidirectionally connected to the central control unit of the alarm system, where a certain code for the respective activation state of the alarm system is stored in the non-safety-relevant control units and can be read out there. In the case of a replacement of control units the replaced control units are activated by the non-replaced control units in the original form when the vehicle is started. At least a part of the non-safety-relevant control units is deactivated or negatively affected in operation when the alarm system is not deactivated correctly.
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patent: 4688036 (1987-08-01), Hirano
patent: 4754255 (1988-06-01), Sanders et al.
patent: 4888575 (1989-12-01), De Vaulx
patent: 5006843 (1991-04-01), Hauer
patent: 5229648 (1993-07-01), Sues et al.
patent: 5245330 (1993-09-01), Wassink
Hettich Gerhard
Robitschko Peter
Greening Wendy R.
TEMIC Telefunken microelectronic GmbH
Vu Ngoc-Yen
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