Number | Name | Date | Kind |
---|---|---|---|
4015088 | Dubnowski et al. | Mar 1977 | |
4052568 | Jankowski | Oct 1977 | |
4057690 | Vagliani et al. | Nov 1977 | |
4359604 | Dumont | Nov 1982 | |
4672669 | DesBlache et al. | Jun 1987 | |
4688256 | Yasunaga | Aug 1987 | |
4764966 | Einkauf et al. | Aug 1988 | |
4825384 | Sakurai | Apr 1989 | |
4829578 | Roberts | May 1989 | |
4864608 | Miyamoto et al. | Sep 1989 | |
5048080 | Bell et al. | Sep 1991 | |
5155760 | Johnson et al. | Oct 1992 | |
5220595 | Uehara | Jun 1993 | |
5394461 | Garland | Feb 1995 | |
5416887 | Shimada | May 1995 | |
5475791 | Schalk et al. | Dec 1995 |
Entry |
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Duttweiler, D.L. et al., "A Single-Chip VLSI Echo Canceler", The Bell System Technical Journal, American Telephone and Telegraph Company, 1980, vol. 59, Feb. 1980, No. 2, pp. 149-160. |