Low EMI multiplexed dual display
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United States of America Patent
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-
Feb 12, 2002
Grant Date -
N/A
app pub date -
Jul 22, 1999
filing date -
Jul 22, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A mirror assembly having an electrically adjustably reflectivity provides for the simultaneous display of a vehicle heading and an external temperature. The mirror assembly includes a reflective device, a dual display and a control circuit. The reflective device includes a transmissive element and a reflective surface formed on the transmissive element. The dual display is located behind the reflective surface of the reflective device. The dual display visually provides the vehicle heading and the external temperature through the reflective device. The control circuit provides for the variable attenuation of light through the transmissive element of the reflective device and controls the intensity and information displayed by the dual display. An advantage of the present invention is that it provides a dual display while exhibiting currently acceptable electromagnetic interference levels.
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