Number | Date | Country | Kind |
---|---|---|---|
3525179 | Jul 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3810082 | Arens | May 1974 | |
4247900 | Martin et al. | Jan 1981 | |
4252026 | Robinson | Feb 1981 | |
4254662 | Kuroda et al. | Mar 1981 | |
4325257 | Kino et al. | Apr 1982 | |
4448075 | Takemura et al. | May 1984 | |
4505156 | Questo | Mar 1985 | |
4553437 | Luthra et al. | Nov 1985 | |
4604697 | Luthra et al. | Aug 1986 | |
4611494 | Uchiyama | Sep 1986 |
Number | Date | Country |
---|---|---|
2834284 | Feb 1979 | DEX |
3121513 | Dec 1982 | DEX |
3303288 | Apr 1985 | DEX |
Entry |
---|
Academic Press, Inc., "Ultrasonic Imaging", 1982, Shattuck et al., pp. 93 to 107. |