Number | Date | Country | Kind |
---|---|---|---|
1-33595 | Feb 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4258421 | Juhasz et al. | Mar 1981 | |
4757463 | Ballou et al. | Jul 1988 | |
4796206 | Boscove et al. | Jan 1989 | |
4853859 | Morita et al. | Aug 1989 | |
4939652 | Steiner | Jul 1990 |
Number | Date | Country |
---|---|---|
0002232 | Jun 1979 | EPX |
0292811 | Nov 1988 | EPX |
2535491 | May 1984 | FRX |
2559929 | Apr 1985 | FRX |
2100895 | Jan 1983 | GBX |
2125578 | Mar 1984 | GBX |
2179225 | Aug 1985 | GBX |
Entry |
---|
IEEE Spectrum, vol. 23, No. 6, Jun. 1986, New York US pp. 53-59. |