Number | Date | Country | Kind |
---|---|---|---|
57-70479 | Apr 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3844170 | Critten | Oct 1974 | |
4201083 | Kurita et al. | May 1980 | |
4324258 | Huebscher et al. | Apr 1982 | |
4334543 | Fehr | Jun 1982 |
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Brandestini, Topoflow-A Digital Full Range Doppler Velocity Meter, IEEE Transactions on Sonics and Ultrasonics, vol. SU-25, No. 5, Sep. 1978, pp. 287-293. |
Brandestini et al., Blood Flow Imaging Using a Discrete Time Frequency Meter, IEEE Ultrasonics Symposium Proceedings, Cat. #78, Ch. 1344-ISU, Sep. 1978, pp. 348-352. |