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Title: Tamper-indicating barcode and method

Patent ·
OSTI ID:1175282

A novel tamper-indicating barcode methodology is disclosed that allows for detection of alteration to the barcode. The tamper-indicating methodology makes use of a tamper-indicating means that may be comprised of a particulate indicator, an optical indicator, a deformable substrate, and/or may be an integrated aspect of the barcode itself. This tamper-indicating information provides greater security for the contents of containers sealed with the tamper-indicating barcodes.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia National Laboratories
Patent Number(s):
6,869,015
Application Number:
10/265,477
OSTI ID:
1175282
Country of Publication:
United States
Language:
English

References (8)

Optical image encryption based on input plane and Fourier plane random encoding journal January 1995
Optical encryption using a joint transform correlator architecture journal August 2000
Securing Information with Optical Technologies journal March 1997
Experimental demonstration of the random phase encoding technique for image encryption and security verification journal September 1996
Optimization of encrypted holograms in optical security systems journal January 2001
Performance of double phase encoding encryption technique using binarized encrypted images journal February 1998
Double random fractional Fourier-domain encoding for optical security journal November 2000
Practical image encryption scheme by real‐valued data journal September 1996

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