Patent ID: 6477457
Filing Date: 2002-11-05
Classification: B60R,H04L

Abstract:
A method for transmitting energy and data through a bus system (5) in an occupant protection system including a central processing unit (7), triggerable occupant protection devices (1.1) communicatively connected through control modules (6) and through said bus system (5) to said central processing unit (7), said method comprising the following steps:(a) transmitting data and energy between said central processing unit (7) and said control modules (6) through said bus system (5), (b) providing a respective energy storage device (1.4; 2) for each respective control module (6) of said control modules, (c) charging said respective energy storage device through said bus system (5) for a limited time to assure proper operation of said respective control module and of an occupant protection device connected to said respective control module, (d) normally maintaining a charged state of said respective energy storage device, and (e) interrupting said charging and maintaining of the energy storage device of the respective control module in response to an executed triggering of a respective occupant protection device.