Lighted switch device
AssigneesCitizen Electronics Co., Ltd., Alpha Corporation
InventorYasunori Toyama
Life of this patent
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Abstract
A lighted switch device, comprising a substrate, a switch provided on a first surface of the substrate, a light source provided on a second surface of the substrate, a key top to press the switch, and a light guide mechanism to guide light emitted from the light source to the key top or a periphery of the key top, the light guide mechanism including a first light guiding member to hold the key top and a second light guiding member disposed to surround the light source, the light emitted from the light source being guided through the second light guiding member to the first light guiding member holding the key top.
Claims15
A lighted switch device, comprising:
- a substrate;
- a switch provided on a first surface of the substrate;
- a light source provided on a second surface of the substrate;
- a key top provided above the switch;
- and
- a light guide mechanism provided adjacent to the key top,
- wherein the light guide mechanism comprises a first light guiding member to surround and hold the key top in place and a second light guiding member disposed to cover the light source, and
- wherein the light emitted from the light source is guided through the second light guiding member to the first light guiding member disposed to surround the key top.
Dependencies are inferred from the claim text.