초록 ▼

Machine readable data is digitally watermarked into banknotes by slight alterations to ink color, density, distribution, etc., or by texturing the microtopology of the banknote surface. Such watermarking can be optically sensed and detected by scanners, photocopiers, or printers. In response, such d

Machine readable data is digitally watermarked into banknotes by slight alterations to ink color, density, distribution, etc., or by texturing the microtopology of the banknote surface. Such watermarking can be optically sensed and detected by scanners, photocopiers, or printers. In response, such devices can intervene to prevent banknote reproduction. This arrangement addresses various problems, e.g., the use of digital image editing tools to circumvent prior art banknote anti-copy systems. In some embodiments, visible structures characteristic of banknotes are also detected (e.g. by pattern recognition analysis of image data), and reproduction can be halted if either the visible structures or the digital watermark data are detected. In other embodiments, automatic teller machines that accept, as well as dispense, banknotes can check for the presence of digitally watermarked data to help confirm the authenticity of banknotes input to the machines. In other embodiments, scanners, printers and photocopiers can be provided with digital watermarking capabilities so that image data, or printed output, produced by such devices includes digital watermark data, permitting subsequent identification of the particular device used.

대표청구항 ▼

Machine readable data is digitally watermarked into banknotes by slight alterations to ink color, density, distribution, etc., or by texturing the microtopology of the banknote surface. Such watermarking can be optically sensed and detected by scanners, photocopiers, or printers. In response, such d

Machine readable data is digitally watermarked into banknotes by slight alterations to ink color, density, distribution, etc., or by texturing the microtopology of the banknote surface. Such watermarking can be optically sensed and detected by scanners, photocopiers, or printers. In response, such devices can intervene to prevent banknote reproduction. This arrangement addresses various problems, e.g., the use of digital image editing tools to circumvent prior art banknote anti-copy systems. In some embodiments, visible structures characteristic of banknotes are also detected (e.g. by pattern recognition analysis of image data), and reproduction can be halted if either the visible structures or the digital watermark data are detected. In other embodiments, automatic teller machines that accept, as well as dispense, banknotes can check for the presence of digitally watermarked data to help confirm the authenticity of banknotes input to the machines. In other embodiments, scanners, printers and photocopiers can be provided with digital watermarking capabilities so that image data, or printed output, produced by such devices includes digital watermark data, permitting subsequent identification of the particular device used. ) a portable body member; (b) a biometric interface unit engaged with said portable body member; (c) biometric circuitry adapted to generate and store an initialized biometric template upon presentment of the person's unique biometric parameter to said biometric interface unit; said biometric circuitry being further adapted to generate a second biometric template upon subsequent presentment of the person's unique biometric parameter to said biometric interface unit; (d) compare circuitry adapted to generate an first signal indicative that said second biometric template is substantially identical to said initialized biometric template; (e) a storage device; (f) password circuitry adapted to generate a password in response to said first signal from said compare circuitry, said password circuitry being adapted to store said password in said storage device; and (g) pager circuitry adapted to receive a signal from the secure site indicative that access has been attempted using said password and to generate an audible tone in response to said signal from said secure site. 2. The device of claim 1, wherein said password is randomly generated. 3. The device of claim 2, further comprising an input device engaged with said portable body member, said password circuitry being adapted to allow the person access to said password using said input device. 4. The device of claim 3, wherein said input device is a key entry pad. 5. The device of claim 3, further comprising a display device and output circuitry adapted to allow the person to export said password to said display device so the person can view the password. 6. The device of claim 5, further comprising an output communication port connected to said output circuitry and adapted to allow the person to export the password to the secured site using through said output communications port. 7. The device of claim 6, wherein said password circuitry is further adapted to allow the person to change said password. 8. The device of claim 7, wherein said password circuitry is further adapted to allow the person to add a new password. 9. The device of claim 8, wherein said password has a length of at least eight characters thereby making it difficult for the person to remember said password after said a password is removed from said display device. 10. The device of claim 9, wherein said initialized biometric template is a fingerprint. 11. The device of claim 10, wherein said presented biometric parameter is a fingerprint. 12. The device of claim 1, wherein said biometric interface unit comprises a biometric input pad. 13. The device of claim 1, wherein said pager circuitry comprises a pager chip.