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US 7,581,873 B2Granted
Watch crystal having an optical effect and watch fitted with such a crystal
AssigneeThe Swatch Group Management Services AG
InventorsThomas Gyger, Nakis Karapatis
Life of this patent
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Abstract
The invention concerns a watch including a case fitted with a glass and containing display means able to be observed through the glass, characterised in that said glass is made from a plate formed of a fiber optic group.
Claims19
A watch, comprising
- a case fitted with a glass, and
- mobile display means observable through the glass,
- wherein said glass comprises a plate formed of a fiber optic group,
- wherein the display means are of the analogue type and comprise an hour analog display means and a minute analog display means,
- wherein the hour analog display means and the minute analog display means are coaxial,
- wherein the hour analog display means moves above the minute analog display means,
- wherein the minute analog display means has a first end portion comprising a first flat surface extending parallel to the plate, and
- wherein the hour analog display means comprises at least a second portion having a second flat surface extending parallel to the plate and wherein the first and second surfaces are coplanar.
5 more elements
A watch glass comprising an upper face and a bottom face,
- wherein said watch glass includes a fiber optic plate made of optical fibers bundled together,
- wherein the bottom face of the fiber optic plate has a central recess in which a display means can move, and
- wherein the central recess is delimited by an annular flat surface perpendicular to the optical fibers of the plate.
A watch glass comprising an upper face and a bottom face,
- wherein said watch glass includes a fiber optic plate,
- wherein the bottom face of the fiber optic plate has a central recess in which a display means can move, and
- wherein the central recess is delimited by an annular surface, wherein the watch glass further comprises symbols, or designs, or symbols and designs, affixed to the bottom face of the fiber optic plate.
A watch glass comprising an upper face and a bottom face,
- wherein said watch glass includes a fiber optic plate,
- wherein the bottom face of the fiber optic plate has a central recess in which a display means can move, and
- wherein the central recess is delimited by an annular surface, wherein the watch glass further comprises symbols, or designs, or symbols and designs, affixed on said annular surface.
Dependencies are inferred from the claim text.