Number | Name | Date | Kind |
---|---|---|---|
3700815 | Doddington et al. | Oct 1972 | |
3816722 | Sakoe et al. | Jul 1974 | |
4601054 | Watari et al. | Jul 1986 | |
4653097 | Watanabe | Mar 1987 | |
4694493 | Sakoe | Sep 1987 | |
4720863 | Li | Jan 1988 | |
4837804 | Akita | Jun 1989 | |
4910782 | Watari | Mar 1990 | |
5023901 | Sloan | Jun 1991 | |
5054083 | Naik et al. | Oct 1991 | |
5127043 | Hunt | Jun 1992 | |
5274695 | Green | Dec 1993 |
Entry |
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"A Voice Password System for Access Security" AT&T Technical Journal Sep./Oct. 1986 vol. 65 Issue 5. |