With these transducers, a sector (wedge-shaped or "slice of pie") image is produced. At the top, the sector is very narrow and tapers to a point.
a. Linear switched (also called linear sequential) array transducer
b. Linear phased array transducer
c. Mechanical transducer
d. Annular phased array transducer
e. Convex or curvilinear array transducerF. Vector array transducer

Relax