Hologram carrier

Optical: systems and elements – Holographic system or element

Reexamination Certificate

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Details

C283S072000

Reexamination Certificate

active

06958836

ABSTRACT:
The invention relates to a hologram carrier having a hologram surface and a reference surface to facilitate the acquisition of the hologram surface by a device. In this case, provision is made for the reference surface to comprise at least one step, which is arranged to interengage with a complementary formation on the device in order to align said device.

REFERENCES:
patent: 4488042 (1984-12-01), Clay et al.
patent: 4889366 (1989-12-01), Fabbiani
patent: 5154889 (1992-10-01), Muraishi
patent: 5426520 (1995-06-01), Kakae et al.
patent: 5492370 (1996-02-01), Chatwin et al.
patent: 2 248 943 (1992-04-01), None
patent: 2032219 (1995-03-01), None

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