Material code recording and reading method and devices designed for protection of products and control of their authenticity

• US 20050086490A1
• Filed: 10/03/2002
• Published: 04/21/2005
• Est. Priority Date: 10/04/2001
• Status: Active Grant

• Current Assignee: Keit Limited
• Original Assignee: Keit Limited
• Inventors: Zhelev, Zhivko Georgiev
• Granted Patent: US 7,925,885 B2
• Time in Patent Office: Days
• US Class Current: 713/179
• CPC Class Codes: G06K 19/16 the marking being a hologram or diffraction grating

Abstract

Material code recording and reading method and devices designed for protection of products and control of their authenticity. The marking device 1 embeds a sign upon the product 4, the marked product 5 is passed to camera 2 which films the product material structure around the sign and transfers the image to the recording device 3, the latter records the database. The comparing alarm device 8 compares the icon from camera 7 with the icon from database 6 and alarms whether they are identical or not.

Claims

1. Material code recording and reading method designed for protection of products and control of their authenticity which includes embedding of a sign upon product, filming of the material sturcture around the sign and entry of product and material structure icon database used for inspection by comparison of both database image and image from the camera.

2. Material code recording and reading devices designed for protection of products and control of their authenticity which consists from marking device 1 to embed a sign upon the product 4;

marked product 5 which is passed to camera 2 in order to film the product material structure around the sign and to transfer the image to the recording device 3 which, records the database whereupon the comparing alarm device 8 compares the icon from camera 7 with the icon from database 6 and alarms whether they are identical or not.