Number | Name | Date | Kind |
---|---|---|---|
4794649 | Fujiwara | Dec 1988 | |
4897835 | Gaskill et al. | Jan 1990 | |
4995099 | Davis | Feb 1991 | |
5095308 | Hewitt | Mar 1992 | |
5144296 | DeLuca et al. | Sep 1992 | |
5150361 | Wieczorek et al. | Sep 1992 |
Number | Date | Country |
---|---|---|
2232326 | Dec 1990 | GBX |
Entry |
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William Stallings, "Data and Computer Communications", Macmillan Publishing Company, 1985, pp. 312-315. |