patent · FR2864851A1

Fresnel lens for use in projection display device, has two prisms in one zone and one prism in another zone, each including two sides, where one side of prism in latter zone reflects incident ray along direction different from main axis

8 July 2005

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This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.

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