Apparatus for actuation of a setting element
AssigneeVDO Adolf Schindling AG
InventorsManfred Pfalzgraf, Kurt Probst, Andreas Wokan
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Abstract
A system for the actuation of a setting element with a digital actuation device, particularly for a motor vehicle, wherein the digital actuation device is connected with a monitoring circuit which, upon failure of the digital actuation device, switches a by-pass of the digital actuation device. Preferably the digital actuation device comprises a microcomputer, from an output of which uniform signals are supplied during the course of the program, which signals are evaluated by the monitoring circuit.
Claims3
In a system for actuation of a setting element with a digital actuating device, particularly for a motor vehicle, the system further comprising:
- a monitoring circuit and a bypass circuit bypassing the digital actuating device;
- and wherein
- the digital actuating device is connected to said monitoring circuit, which circuit upon a failure of the digital actuating device activates the by-pass of the digital actuating device;
- and wherein
- the digital actuating device comprises a microcomputer and a digital-analog converter, said bypass circuit comprising an electronic switch;
- and
- the input of the computer is connected via said bypass circuit with an output of the digital-analog converter, and an output of the monitoring circuit is connected to a control input of the switch.
Dependencies are inferred from the claim text.