Registers – Coded record sensors – Particular sensor structure
Patent
1994-08-30
1996-08-20
Pitts, Harold
Registers
Coded record sensors
Particular sensor structure
235468, 235472, 235491, G06K 710, G06K 714
Patent
active
055481060
ABSTRACT:
Accessory apparatus for authenticating articles is used in conjunction with existing readers or scanners of articles bearing stored data, such as credit cards or identification cards. The accessory apparatus is disposed before, after, on, under, inside, or adjacent to existing reader apparatus, to have a view of the article whose data is to be read. Information in addition to the stored data is coded on the article in non-visible indicia and is detected by the accessory authenticating apparatus. This coded additional information may be related to identification data stored in the article by the article's normal storage mechanism, such as a magnetic stripe or an embedded memory IC chip. The additional information may be coded in various combinations of predetermined characteristics of light emitted by the article to be authenticated when the article is irradiated with non-visible light from the accessory apparatus. The code combinations are preferably complex combinations of the various radiation characteristics. The article is irradiated at a high enough frequency (above 10,000 Hz modulation) for rapid determination of authenticity, and for reading and decoding standard bar codes. Visible and/or audible indicators alert a user when the authentication process detects an invalid card. With certain arrangements, an invalid card may be blocked from being read by the existing reader or scanner. The accessory apparatus may be connected to interrupt the normal communication channel of the existing reader or scanner with which it is used, when an article fails to be authenticated. The accessory apparatus may be used as an adjunct to existing readers or scanners of information on such cards or other articles, to perform authentication functions without replacing or obsoleting such existing readers or scanners.
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Liang Louis H.
Marinello Daniel A.
Ryan William J.
Angstrom Technologies, Inc.
Pitts Harold
Touw Theodore R.
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