H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/37, 352/53.7
H04N 1/41 (2006.01) G07C 9/00 (2006.01) H04N 1/44 (2006.01)
Patent
CA 1252878
ABSTRACT OF THE DISCLOSURE An individuality discriminating system wherein analog signals of a human individual picture are converted to digital signals according to brightness of the picture, and such digital signals are stored as individual picture data in an integrated-circuit (IC) card as compressed, with picture elements other than changed ones in the picture treated as zero picture element, while in using the IC card by its bearer the thus stored data are read out of the card as expanded and analog-converted for display on a monitor. Since the picture data are compressed to remarkably reduce code volume upon the storing in the card, the individuality discrimination can be realized practically precisely and effectively reliably through an investigator's comparison with eyes of the thus displayed picture with a directly viewed or monitored picture of the bearer.
504083
Akiyama Kazuhisa
Nakao Toshinari
Yasuda Akira
Yuasa Hiroyoshi
Matsushita Electric Works Ltd.
Oyen Wiggs Green & Mutala Llp
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