Ultrasound apparatus for the virtual diminution of the array div

Details Ultrasound apparatus for the virtual diminution of the array div Ultrasound apparatus for the virtual diminution of the array div

1990-12-12

1992-07-07

Eldred, J. W.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367105, 367135, 367138, 12866101, 73626, G01S 1500

Patent

active

051289032

ABSTRACT:
An ultrasound apparatus has a first group of transmission and reception channels that are respectively allocated to elementary transducer in the active aperture of a connectable transducer array. The central transmission location generated by a transmission channel and the reception location sampled by a reception channel coincide and lie on the allocated elementary transducer. In addition, a second group of transmission and/or reception channels is present, each being respectively simultaneously connectable to a plurality of elementary transducers via transmission and/or reception transfer stages for generating a virtual transmission and/or reception location that lies between the elementary transducers.

REFERENCES:
patent: 4409982 (1983-10-01), Plesset et al.
patent: 4458533 (1984-07-01), Borburgh
patent: 4542653 (1985-09-01), Liu

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