Magnification device for timepiece
First Claim
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1. A device for magnifying alphanumerical characters or pictograms that have to be read on the dial of a timepiece, formed of a case closed by a crystal and a back cover and containing a timepiece movement, said magnification being obtained by means of a single magnifying lens, characterized wherein the writing of the characters is deformed in the opposite direction to the distortion caused by the lens.
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Accused Products
Abstract
The device consists in compensating for the distortion of the characters marked on the dial caused by a lens, by writing the characters with a reverse pin cushion or barrel distortion.
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Citations
5 Claims
- 1. A device for magnifying alphanumerical characters or pictograms that have to be read on the dial of a timepiece, formed of a case closed by a crystal and a back cover and containing a timepiece movement, said magnification being obtained by means of a single magnifying lens, characterized wherein the writing of the characters is deformed in the opposite direction to the distortion caused by the lens.
Specification