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US 10,240,954 B2Granted
Indicating device with rear projection structure
AssigneesDENSO International America, Inc., Denso Corporation
InventorMarc Arceo
Life of this patent
Estimating the term…
Abstract
A dial plate being nonopaque is in a disc shape. A slit member has slits each extending through the slit member in a thickness direction. A light source is located on an opposite side of the slit member from the dial plate. The light source is configured to emit light through the slits of the slit member toward the dial plate to project images on the dial plate.
Claims13
An indicating device comprising:
- a dial plate being nonopaque and being in a disc shape;
- a slit member having a plurality of slits each extending through the slit member in a thickness direction;
- and
- a light source located on an opposite side of the slit member from the dial plate, wherein
- the light source is configured to emit light through the slits of the slit member toward the dial plate to project a plurality of images on the dial plate, wherein
- the slit member is disposed between the dial plate and the light source and is spaced away from both the dial plate and the light source, wherein the plurality of images projected on the dial plate have the same shapes as the plurality of slits.
3 more elements
Dependencies are inferred from the claim text.