An acoustic imaging apparatus and method that achieves desired delays with coded signals. Linear, curved linear and sector scanning is provided in 1-D arrays and planar, curved planar and sector scanning is provided in 2-D arrays. Composite and non-linear implementations are presented. Dynamic and discrete...http://www.google.com.au/patents/USRE40456?utm_source=gb-gplus-sharePatent USRE40456 - Acoustic wave imaging apparatus and method
