Illumination device having wedge prisms and driving portion with multiple gears

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11927742
APP PUB NO 20210263301A1
SERIAL NO

17056771

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An illumination device includes a light source, a pair of wedge prisms, and a driving portion. The pair of wedge prisms deflect incident light. The driving portion includes a gear and a gear, and causes the pair of wedge prisms to rotate about a rotation axis by using the gear and the gear. The pair of wedge prisms include a wedge prism held by a barrel and a wedge prism held by a barrel. The barrel is disposed inside the barrel. A gear whose center axis is the rotation axis is provided on an outer periphery of the barrel. A gear whose center axis is the rotation axis is provided on an inner periphery of the barrel. The gear is disposed on an outer peripheral side of the gear and meshes with the gear. The gear is disposed on an inner peripheral side of the gear and meshes with the gear.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8310

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heishi, Akinori Tokyo, JP 16 26
Kojima, Kuniko Tokyo, JP 55 684
Kuwata, Muneharu Tokyo, JP 51 408
Oshima, Ritsuya Tokyo, JP 38 181
Suwa, Masashige Tokyo, JP 36 186

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