The apparatus includes an input controller connected to receive input data representing ultrasonic sector images of a patient for digitizing selected ones of the images thereby representing those images in a digital format. A front panel interface is provided for specifying the selected ones of the sector...http://www.google.es/patents/US4271842?utm_source=gb-gplus-sharePatente US4271842 - Apparatus and method for providing multiple ultrasonic sector image displays
Apparatus and method for providing multiple ultrasonic sector image displays