Number | Date | Country | Kind |
---|---|---|---|
63-47445 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4546349 | Prohofsky et al. | Oct 1985 | |
4642790 | Minshull et al. | Feb 1987 | |
4786897 | Takanashi et al. | Nov 1988 | |
4829294 | Iwami et al. | May 1989 |
Number | Date | Country |
---|---|---|
55-78335 | Jun 1980 | JPX |
62-32527 | Feb 1987 | JPX |
Entry |
---|
Foley, "Fundamentals of Interactive Computer Graphics", Addison-Wesley Publishing Co., Reading, Mass., pp. 234-237, 1984. |