Number | Name | Date | Kind |
---|---|---|---|
3090030 | Shuck | May 1963 | |
3124678 | Masonson | Mar 1964 | |
3657657 | Jefferson | Apr 1972 | |
3778814 | Dildy, Jr. | Dec 1973 | |
3836948 | Burckhardt et al. | Sep 1974 | |
3918024 | Macovski | Nov 1975 | |
3934219 | Monaghan | Jan 1976 | |
3938071 | Berger et al. | Feb 1976 | |
3940731 | Cooper et al. | Feb 1974 | |
3968680 | Volpilken et al. | Jul 1976 | |
3991607 | Niklas | Nov 1976 | |
4011750 | Robinson | Mar 1977 | |
4019169 | Takamizawa | Apr 1977 | |
4034332 | Alais | Jul 1977 | |
4058003 | Macovski | Nov 1977 | |
4062237 | Fox | Dec 1977 | |
4063549 | Beretsky et al. | Dec 1977 | |
4084582 | Nigam | Apr 1978 | |
4137777 | Haverl et al. | Feb 1979 |
Entry |
---|
Ueda, M. et al., "Dynamic Focussing UTS Transducers Using Analog Switch Phase Shutters," Elect. & Comm. in Japan, vol. 58-A, No. 12, 1975. |
Hubelbank, M. et al., "Focussed UTS Transducer Design," Quart. Prog. Rept., No. 98 (1970), Elec. Res. Lab., MIT. |
Eggleton, R. C., "State-of-the-Art in Single-Transducer Imaging Technology" Med. Physics, vol. 3 #5, pp. 303-311, Sep.-Oct. 1976. |