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Memory mirror system for vehicles
| Details |
Inventors: Kramer, Mark E.; Veldman, Roger L.;
Assignee: Donnelly Corporation (Holland, MI)
Primary Examiner: Paladini; Albert W.
Assistant Examiner:
Attorney, Agent or Firm: Van Dyke, Gardner, Linn & Burkhart, LLP
A vehicle memory mirror system includes a vehicle mirror assembly and a control module. The vehicle mirror assembly includes a reflective element, a motor for positioning the reflective element about an axis, a monitor for monitoring the position of the reflective element with respect to the axis, and a mirror-based control including a position control which is operatively connected with the motor and the monitor in order to position the reflective element at a particular position. The control module is interconnected with the mirror-based control by an analog interface and includes a processor for providing analog signals on the analog interface indicative of a desired position of the reflective element with respect to the axis. The mirror-based control preferably includes a servo-amplifier circuit. The control module can control the speed of movement by formatting a series of sequential signals on the interface, each representing an incremental movement of the reflective element. |
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DETAILED DESCRIPTION According to an aspect of the invention, a vehicle memory mirror system includes a vehicle mirror assembly and a control module.
The vehicle mirror assembly includes a reflective element, a motor for positioning the reflective element about an axis, a monitor for monitoring the position of the reflective element with respect to the axis, and a mirror-based control operatively connected with the motor and the monitor in order to position the reflective element at a particular position with respect to the axis.
The control module is interconnected with the mirror-based control by an analog interface.
The control module includes a processor for providing analog signals on the analog interface indicative of a desired position of the reflective element with respect to the axis.
The mirror-based control includes a positioning controller circuit which compares analog interface.
The control module is interconnected with the mirror-based control by an analog interface.
The control module includes a processor for providing analog signals on the analog interface indicative of a desired position of the reflective element with respect to the axis.
The mirror-based control includes a positioning controller circuit which compares analog signals on the analog interface with a signal produced by the monitor in order to generate signals to operate the motor and thereby position the reflective element at the desired position.
The vehicle mirror assembly includes at least one accessory.
The mirror-based control either decodes analog signals on the analog interface or encodes analog signals on the analog interface, or both, in order to selectively operate the at least one accessory.
Examples of such mirror-based accessories include a turn signal light, a stop signal light, a heater, a security light, a garage door opener, a power-fold mechanism, and the like.
Preferably, the positioning controller is a servo-controller circuit.
The use of a servo-controller circuit provides a reliable analog circuit which is capable of responding to the analog signals formatted on the analog interface in order to reliably position the reflective element at its desired final position
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Light Fixtures 
