Number | Date | Country | Kind |
---|---|---|---|
58-228330 | Dec 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4320765 | Cattignol et al. | Mar 1982 | |
4334543 | Fehr | Jun 1982 | |
4417584 | Cattignol et al. | Nov 1983 |
Entry |
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Brandestini, M. et al, "Topoflow, a Digital Full Range Doppler Velocity Meter", IEEE Trans Sonics & UTS vol. 25, No. 5, Sep. 1978. |
Jettnwa, C. P. et al, "Blood Flow Measurements Using Pulsed Random Signal Doppler", IEEE Trans S UIS vol. 22, No. 1, pp. 1-11, Jan. 1975. |