Anti-glare rearview mirror system

Anti-glare rearview mirror system

The reflectivities of the inside and outside rearview mirrors (2,1) of a car are made different to improve the driver's unbalanced rearview sight. For this, for instance, a liquid-phase ECD (electrochromic device) is used for the inside rearview mirror (2), and a solid-state ECD for the outside...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HATTORI, MICHIAKI, KOBAYASHI, MASAKI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PERFORMING OPERATIONS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:The reflectivities of the inside and outside rearview mirrors (2,1) of a car are made different to improve the driver's unbalanced rearview sight. For this, for instance, a liquid-phase ECD (electrochromic device) is used for the inside rearview mirror (2), and a solid-state ECD for the outside rearview mirror (1) so that appropriate different reflectivities of the two mirrors can be obtained even if they are driven under the same operation conditions. In case of use of the same-type ECD for both the inside and outside rearview mirrors, the driving voltage for the outside rearview mirror (1) is made lower than that for inside rearview mirror (2) to make the latter's reflectivity smaller than the former's. For this purpose, transforming circuits (81,80) and terminal voltage sensing and controlling circuits (21,20) are provided.