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US 8,128,248 B2Granted
Dial plate with diffuse lighting
AssigneeHonda Motor Co., Ltd.
InventorSteven Feit
Life of this patent
Estimating the term…
Abstract
A system for providing diffuse light to a dial plate of a meter is disclosed. The system includes a light-guide and a light source. The light from the light source enters the light-guide and exits the light-guide to illuminate a curved peripheral portion of a dial plate with a diffuse light.
Claims29
A meter, comprising:
- a dial plate including a central portion and a curved peripheral portion disposed radially away from the central portion;
- a light-guide disposed on the dial plate radially inward of the curved peripheral portion, the light-guide being configured to receive light from at least one light source;
- and
- wherein the light-guide includes a light exiting portion that is oriented towards the curved peripheral portion and is tilted at an angle so as to direct light in a direction having a radial component and an axial component.
1 more element
A meter, comprising:
- a dial plate including a central portion and a curved peripheral portion disposed radially away from the central portion;
- an outer radial portion of the curved peripheral portion and an inner radial portion of the curved peripheral portion;
- a light-guide disposed radially inward of the curved peripheral portion;
- the light-guide receiving light from at least one light source, the light-guide including a light exiting portion configured to illuminate substantially the entirety of the curved peripheral portion, including the inner radial portion and the outer radial portion, such that the inner radial portion and the outer radial portion have a constant brightness when viewed from an axial direction.
1 more element
A meter, comprising:
- a dial plate including a central portion and a curved peripheral portion disposed radially away from the central portion;
- a light-guide disposed radially inward of the curved peripheral portion, the light-guide receiving light from at least one light source and being configured to direct light towards the curved peripheral portion;
- the light-guide having a base portion and a top portion;
- the base portion being disposed adjacent to a first side of the central portion with respect to an axial direction;
- the top portion extending a first axial height above the central portion;
- the curved peripheral portion comprising an inner radial portion that is disposed adjacent to the first side of the central portion with respect to the axial direction, and an outer radial portion;
- and
- the light-guide is configured such that light exiting the light-guide illuminates the curved peripheral portion over an illuminated region, the illuminated region having a second axial height above the central portion, wherein the second axial height is greater than the first axial height.
5 more elements
A meter, comprising:
- a reflective cavity including at least one light source;
- a dial plate arranged on top of the cavity;
- the dial plate including a central portion, a curved peripheral portion disposed radially away from the central portion, and a light exiting portion;
- a central cavity surrounded by a wall, the wall separating the central cavity from the reflective cavity;
- a support component extending angularly from the wall to the dial plate, the support component being reflective and located such that light from the at least one light source reflects off of the support component;
- wherein the reflective cavity is configured such that light exits the light exiting portion in a direction having a radial component and an axial component;
- and
- wherein the reflective cavity includes a plurality of light sources arranged in a radial pattern around a center of the meter, the plurality of light sources being located adiacent to the wall and below the structural component, and the plurality of light sources are recessed below a remainder of the reflective cavity.
5 more elements
Dependencies are inferred from the claim text.