3875550

Information

• Patent Grant
• 3875550

• References
• Source

• Patent Number

  3,875,550

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  50 years ago

• CPC

  • G10K11/345 - using energy switching from one active element to another
  • G01H3/125 - for representing acoustic field distribution
  • G01N29/06 - Visualisation of the interior
  • G01S3/809 - Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 073 - Measuring and testing
  • 333 - Wave transmission lines and networks