×

Ultrasonic processes and circuits for performing them

  • US 6,034,922 A
  • Filed: 01/12/1999
  • Issued: 03/07/2000
  • Est. Priority Date: 09/01/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. A process for imaging an examination area containing an ultrasonic contrast agent, which comprises:

  • subjecting the examination area to ultrasonic energy of two different excitation frequencies, and imaging the examination area by detecting a signal including reflected and/or backscattered signals generated by non-linearity in the examination area.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×