Communications: electrical – Selective
Patent
1977-03-16
1978-10-10
Farley, Richard A.
Communications: electrical
Selective
340 5MP, G01S 966, G01S 762
Patent
active
041199391
ABSTRACT:
In acoustic imaging method and apparatus using a plurality of acoustic transducers for transmitting and receiving non-directional acoustic waves, the intensities or magnitudes of the received signals corresponding to the propagation times required for the acoustic waves which are transmitted from the transducers and received thereby after the reflection by a target are superposed in accordance with the position of the target.
REFERENCES:
patent: 3778757 (1973-12-01), Houston
patent: 3919683 (1975-11-01), Itamura et al.
patent: 4019169 (1977-04-01), Takamizawa
patent: 4023175 (1977-05-01), Brown et al.
Farley Richard A.
Hitachi Medical Corporation
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