| 摘要 |
PCT No. PCT/GB87/00485 Sec. 371 Date May 12, 1988 Sec. 102(e) Date May 12, 1988 PCT Filed Jul. 9, 1987 PCT Pub. No. WO88/00710 PCT Pub. Date Jan. 28, 1988.Ultrasonic imaging is effected using a line focused transmitter 1 and a line focused receiver 3 arranged with their focal lines (fT, fR) crossing, and controlled such that the crossing point P of the focal lines scans a target to be imaged. |
