In an ultrasonic diagnosing apparatus, a total amount of ultrasonic waves which irradiate an object to be inspected for a constant time period can be decreased, while image qualities of ultrasonic images are not deteriorated. The ultrasonic diagnosing apparatus includes an ultrasonic transmitting/receiving...http://www.google.fr/patents/US6783495?utm_source=gb-gplus-shareBrevet US6783495 - Ultrasonic diagnosing apparatus
