IMAGE DISPLAY DEVICE, CAR ONBOARD SYSTEM, AND IMAGE DISPLAY METHOD

An image display apparatus includes a light source emitting light; an optical scanning unit scanning a predetermined scanning zone with light from the light source to render a display image; a light intensity detecting unit detecting a light intensity of light from the light source; a storage unit s...

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Bibliographische Detailangaben
Hauptverfasser:	YASUDA, Takuro, HIGUCHI, Miho
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION AUXILIARY DRIVES FOR VEHICLES CINEMATOGRAPHY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY GYROSCOPIC INSTRUMENTS HOLOGRAPHY INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS SURVEYING TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An image display apparatus includes a light source emitting light; an optical scanning unit scanning a predetermined scanning zone with light from the light source to render a display image; a light intensity detecting unit detecting a light intensity of light from the light source; a storage unit storing relationships between control currents provided to the light source and light intensities; and a control unit controlling, on the basis of the control current and light intensity relationships stored in the storage unit, a control current to display the display image with light from the light source. When the optical scanning unit scans an area outside the display image, the control unit detects by the light intensity detecting unit a light intensity of light for the scanning, and updates on the basis of the light intensity the relationships stored in the storage unit.