Number | Date | Country | Kind |
---|---|---|---|
2-143925 | Jun 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3686444 | Stevenson | Aug 1972 | |
4272650 | Bolgiano et al. | Jun 1981 | |
4532382 | Pommer, II | Jul 1985 | |
4636588 | Nakayama et al. | Jan 1987 | |
4691344 | Brown et al. | Sep 1987 | |
4847899 | Hikida | Jul 1989 | |
4961220 | Tentler et al. | Oct 1990 | |
4984267 | Martinez | Jan 1991 | |
5014308 | Fox | May 1991 | |
5042066 | Ikefuji | Aug 1991 |
Number | Date | Country |
---|---|---|
0346243 | Dec 1989 | EPX |
2425603 | Dec 1975 | DEX |
61-013745 | Jan 1986 | JPX |
61-127268 | Jun 1986 | JPX |
0173559 | Aug 1986 | JPX |
1094745 | Apr 1989 | JPX |
1542710 | Mar 1979 | GBX |
Entry |
---|
Nishino, "Special Requirements and LSIs For Telephone Sets", IEEE Transactions On Consumer Electronics, vol. CE-33, No. 3, Aug. 1987, pp. 413-422. |