Image pickup device-equipped rear-view mirror

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8308325
APP PUB NO 20090040778A1
SERIAL NO

12112048

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention is intended to provide an image pickup device-equipped rear view mirror with improved image pickup performance, glare prevention and appearance (design) in addition to improved performance as a vehicle mirror. A mirror element is formed by forming a reflecting film consisting of high refractive index material films and a low refractive index material film on a back surface of a transparent glass substrate. The integrating sphere reflectance of the mirror element in the visible range is 40% to 60% and the near-infrared transmittance is no less than 70% for the whole or part of the band belonging to the near-infrared range within the entire sensitive wavelength range of the near-infrared camera. A black mask member is attached to an entire back surface of the reflecting film. The near-infrared camera is arranged behind the black mask member. The region corresponding to the area for the image-pickup by the near-infrared camera within the entire region of the black mask member is formed of a visible-light absorption and near-infrared transmission filter. The near-infrared transmittance of the visible-light absorption and near-infrared transmission filter is no less than 70% for the whole or part of the band belonging to the near-infrared range within the entire sensitive wavelength range of the near-infrared camera.

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Patent Owner(s)

Patent OwnerAddress
MURAKAMI CORPORATION11-5 TENMA-CHO AOI-KU SHIZUOKA-SHI SHIZUOKA 420-8550

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakamura, Masatoshi Shizuoka, JP 110 2568
Takayanagi, Shinya Shizuoka, JP 8 812

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