3732532

Information

• Patent Grant
• 3732532

• References
• Source

• Patent Number

  3,732,532

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • G01S15/586 - using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
  • A61B5/0275 - using tracers
  • A61B8/06 - Measuring blood flow
  • A61B8/4483 - characterised by features of the ultrasound transducer
  • G01F1/66 - by measuring frequency, phaseshift, or propagation time of electro-magnetic or other waves
  • G01P5/242 - involving continuous
  • G01S1/72 - using ultrasonic, sonic or infrasonic waves
  • G01N2291/02836 - Flow rate, liquid level

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 073 - Measuring and testing