United States
US 12,697,832 B2
Optical security device
US 12,697,832 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: IQ STRUCTURES S.R.O. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- IQ STRUCTURES S.R.O.
- Inventors
- Marek Skeren; Zbynek Ryzi; Roman Nahalka
- Publication date
- 2026-08-04
- Filing date
- 2021-04-09
- Document type
- B2 Granted patent
- Also written as
- US 12,697,832 B2 · US12697832 · 12697832
Abstract
An security device comprises a recorded representation of an optically variable image which is reconstructable and viewable for a security purpose, and comprises: an optical structure having recorded therein a representation of the optically variable image in the form of a plurality of discrete portions of the complete image to be reconstructed, wherein the plurality of image portions can, when reconstructed, only be viewed in their totality by viewing the image at or over a plurality of different viewing angles or angle ranges relative to the optical structure and/or at or over a plurality of…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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